fix aabb-sphere test (#179)

Fixed cmake config install path

.gitattributes

@@ -0,0 +1 @@
+*.h linguist-language=C

.gitignore

@@ -72,3 +72,7 @@ cglm-test-ios*
 /cglm.pc
 test-driver
 Default-568h@2x.png
+build/
+conftest.dir/*
+confdefs.h
+*.xcuserdatad

.travis.yml

@@ -4,6 +4,12 @@ os:
   - linux
   - osx
 
+arch:
+  - amd64
+  - ppc64le
+  - s390x
+  - arm64
+
 sudo: required
 dist: trusty
 

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+  "C_Cpp.default.configurationProvider": "vector-of-bool.cmake-tools",
+  "restructuredtext.confPath": "${workspaceFolder}/docs/source"
+}

CMakeLists.txt

@@ -0,0 +1,123 @@
+cmake_minimum_required(VERSION 3.8.2)
+project(cglm VERSION 0.8.0 LANGUAGES C)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED YES)
+set(DEFAULT_BUILD_TYPE "Release")
+
+set(CGLM_BUILD)
+option(CGLM_SHARED "Shared build" ON)
+option(CGLM_STATIC "Static build" OFF)
+option(CGLM_USE_C99 "" OFF)
+option(CGLM_USE_TEST "Enable Tests" OFF)
+
+if(NOT CGLM_STATIC AND CGLM_SHARED)
+  set(CGLM_BUILD SHARED)
+else(CGLM_STATIC)
+  set(CGLM_BUILD STATIC)
+endif()
+
+if(CGLM_USE_C99)
+  set(CMAKE_C_STANDARD 99)
+endif()
+
+if(MSVC)
+  add_definitions(-DNDEBUG -D_WINDOWS -D_USRDLL)
+  add_compile_options(/W3 /Ox /Gy /Oi /TC)
+  
+  # Ref: https://skia.googlesource.com/third_party/sdl/+/refs/heads/master/CMakeLists.txt#225
+  # Make sure /RTC1 is disabled, otherwise it will use functions from the CRT
+  foreach(flag_var
+      CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
+      CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
+    string(REGEX REPLACE "/RTC(su|[1su])" "" ${flag_var} "${${flag_var}}")
+  endforeach(flag_var)
+else()
+  add_compile_options(-Wall -Werror -O3)
+endif()
+
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  message(STATUS "Setting build type to '${DEFAULT_BUILD_TYPE}' as none was specified.")
+  set(CMAKE_BUILD_TYPE "${DEFAULT_BUILD_TYPE}" CACHE STRING "Choose the type of build." FORCE)
+  # Set the possible values of build type for cmake-gui
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
+
+include(GNUInstallDirs)
+
+set(CPACK_PROJECT_NAME ${PROJECT_NAME})
+set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
+include(CPack)
+
+# Target Start
+add_library(${PROJECT_NAME}
+  ${CGLM_BUILD}
+  src/euler.c
+  src/affine.c
+  src/io.c
+  src/quat.c
+  src/cam.c
+  src/vec2.c
+  src/vec3.c
+  src/vec4.c
+  src/mat2.c
+  src/mat3.c
+  src/mat4.c
+  src/plane.c
+  src/frustum.c
+  src/box.c
+  src/project.c
+  src/sphere.c
+  src/ease.c
+  src/curve.c
+  src/bezier.c
+  src/ray.c
+  src/affine2d.c
+  )
+
+if(CGLM_SHARED)
+  add_definitions(-DCGLM_EXPORTS)
+else()
+  target_compile_definitions(${PROJECT_NAME} PUBLIC -DCGLM_STATIC)
+endif()
+
+set_target_properties(${PROJECT_NAME} PROPERTIES
+                              VERSION ${PROJECT_VERSION} 
+                            SOVERSION ${PROJECT_VERSION_MAJOR})
+
+target_include_directories(${PROJECT_NAME}
+    PUBLIC 
+        $<INSTALL_INTERFACE:include>    
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/src
+)
+
+# Test Configuration
+if(CGLM_USE_TEST)
+  include(CTest)
+  enable_testing()
+  add_subdirectory(test)
+endif()
+
+# Install 
+install(TARGETS ${PROJECT_NAME}
+        EXPORT  ${PROJECT_NAME}
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        RUNTIME DESTINATION ${CMAKE_INSTALL_LIBDIR})
+
+install(DIRECTORY include/${PROJECT_NAME} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+        PATTERN ".*" EXCLUDE)
+
+# Config
+export(TARGETS ${PROJECT_NAME}
+       NAMESPACE ${PROJECT_NAME}::
+       FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+)
+
+install(EXPORT      ${PROJECT_NAME}
+        FILE        "${PROJECT_NAME}Config.cmake"
+        NAMESPACE   ${PROJECT_NAME}::
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+

CREDITS

@@ -61,3 +61,16 @@ https://forums.khronos.org/showthread.php/10264-Animations-in-1-4-1-release-note
 https://forums.khronos.org/showthread.php/10644-Animation-Bezier-interpolation
 https://forums.khronos.org/showthread.php/10387-2D-Tangents-in-Bezier-Splines?p=34164&viewfull=1#post34164
 https://forums.khronos.org/showthread.php/10651-Animation-TCB-Spline-Interpolation-in-COLLADA?highlight=bezier
+
+12. vec2 cross product
+http://allenchou.net/2013/07/cross-product-of-2d-vectors/
+
+13. Ray triangle intersect
+Möller–Trumbore ray-triangle intersection algorithm, from "Fast, Minimum Storage Ray/Triangle Intersection"
+Authors:
+  Thomas Möller (tompa@clarus.se)
+  Ben Trumbore (wbt@graphics.cornell.edu)
+Link to paper: http://webserver2.tecgraf.puc-rio.br/~mgattass/cg/trbRR/Fast%20MinimumStorage%20RayTriangle%20Intersection.pdf
+
+14. ARM NEON: Matrix Vector Multiplication
+https://stackoverflow.com/a/57793352/2676533

Makefile.am

@@ -12,7 +12,6 @@ AM_CFLAGS = -Wall \
             -O3 \
             -Wstrict-aliasing=2 \
             -fstrict-aliasing \
-            -pedantic \
             -Werror=strict-prototypes
 
 lib_LTLIBRARIES = libcglm.la
@@ -22,7 +21,10 @@ checkLDFLAGS = -L./.libs \
                -lm \
                -lcglm
 checkCFLAGS = $(AM_CFLAGS) \
-              -I./include
+               -std=gnu11 \
+               -O3 \
+               -DCGLM_DEFINE_PRINTS \
+               -I./include
 
 check_PROGRAMS = test/tests
 TESTS = $(check_PROGRAMS)
@@ -42,7 +44,10 @@ cglm_HEADERS = include/cglm/version.h \
                include/cglm/io.h \
                include/cglm/mat4.h \
                include/cglm/mat3.h \
+               include/cglm/mat2.h \
                include/cglm/affine.h \
+               include/cglm/vec2.h \
+               include/cglm/vec2-ext.h \
                include/cglm/vec3.h \
                include/cglm/vec3-ext.h \
                include/cglm/vec4.h \
@@ -60,11 +65,15 @@ cglm_HEADERS = include/cglm/version.h \
                include/cglm/ease.h \
                include/cglm/curve.h \
                include/cglm/bezier.h \
-               include/cglm/applesimd.h
+               include/cglm/applesimd.h \
-               
+               include/cglm/ray.h \
+               include/cglm/affine2d.h
+
 cglm_calldir=$(includedir)/cglm/call
 cglm_call_HEADERS = include/cglm/call/mat4.h \
                     include/cglm/call/mat3.h \
+                    include/cglm/call/mat2.h \
+                    include/cglm/call/vec2.h \
                     include/cglm/call/vec3.h \
                     include/cglm/call/vec4.h \
                     include/cglm/call/affine.h \
@@ -79,7 +88,9 @@ cglm_call_HEADERS = include/cglm/call/mat4.h \
                     include/cglm/call/sphere.h \
                     include/cglm/call/ease.h \
                     include/cglm/call/curve.h \
-                    include/cglm/call/bezier.h
+                    include/cglm/call/bezier.h \
+                    include/cglm/call/ray.h \
+                    include/cglm/call/affine2d.h
 
 cglm_simddir=$(includedir)/cglm/simd
 cglm_simd_HEADERS = include/cglm/simd/intrin.h \
@@ -90,6 +101,7 @@ cglm_simd_sse2dir=$(includedir)/cglm/simd/sse2
 cglm_simd_sse2_HEADERS = include/cglm/simd/sse2/affine.h \
                          include/cglm/simd/sse2/mat4.h \
                          include/cglm/simd/sse2/mat3.h \
+                         include/cglm/simd/sse2/mat2.h \
                          include/cglm/simd/sse2/quat.h
 
 cglm_simd_avxdir=$(includedir)/cglm/simd/avx
@@ -102,6 +114,9 @@ cglm_simd_neon_HEADERS = include/cglm/simd/neon/mat4.h
 cglm_structdir=$(includedir)/cglm/struct
 cglm_struct_HEADERS = include/cglm/struct/mat4.h \
                       include/cglm/struct/mat3.h \
+                      include/cglm/struct/mat2.h \
+                      include/cglm/struct/vec2.h \
+                      include/cglm/struct/vec2-ext.h \
                       include/cglm/struct/vec3.h \
                       include/cglm/struct/vec3-ext.h \
                       include/cglm/struct/vec4.h \
@@ -117,16 +132,19 @@ cglm_struct_HEADERS = include/cglm/struct/mat4.h \
                       include/cglm/struct/project.h \
                       include/cglm/struct/sphere.h \
                       include/cglm/struct/color.h \
-                      include/cglm/struct/curve.h
+                      include/cglm/struct/curve.h \
-
+                      include/cglm/struct/affine2d.h
+                      
 libcglm_la_SOURCES=\
     src/euler.c \
     src/affine.c \
     src/io.c \
     src/quat.c \
     src/cam.c \
+    src/vec2.c \
     src/vec3.c \
     src/vec4.c \
+    src/mat2.c \
     src/mat3.c \
     src/mat4.c \
     src/plane.c \
@@ -136,21 +154,17 @@ libcglm_la_SOURCES=\
     src/sphere.c \
     src/ease.c \
     src/curve.c \
-    src/bezier.c
+    src/bezier.c \
+    src/ray.c \
+    src/affine2d.c
 
 test_tests_SOURCES=\
     test/runner.c \
     test/src/test_common.c \
-    test/src/test_mat4.c \
+    test/src/tests.c \
     test/src/test_cam.c \
-    test/src/test_project.c \
     test/src/test_clamp.c \
     test/src/test_euler.c \
-    test/src/test_quat.c \
-    test/src/test_vec4.c \
-    test/src/test_vec3.c \
-    test/src/test_mat3.c \
-    test/src/test_affine.c \
     test/src/test_bezier.c \
     test/src/test_struct.c
 

Package.swift

@@ -0,0 +1,44 @@
+// swift-tools-version:5.2
+
+import PackageDescription
+
+let package = Package(
+    name: "cglm",
+    products: [
+        .library(name: "cglm", type: .static, targets: ["cglmHeader"]),
+        .library(name: "cglmc", targets: ["cglmCompiled"]),
+    ],
+    dependencies: [],
+    targets: [
+        .target(
+            name: "cglmCompiled",
+            path: "./",
+            exclude: [
+                "./docs",
+                "./src/swift",
+                "./include",
+                "./test",
+                "./win",
+            ],
+            sources: [
+                "./src",
+            ],
+            publicHeadersPath: "./include"
+        ),
+        .target(
+            name: "cglmHeader",
+            path: "./",
+            exclude: [
+                "./docs",
+                "./include",
+                "./test",
+                "./win",
+            ],
+            sources: [
+                "./src/swift",
+            ],
+            publicHeadersPath: "./include"
+        ),
+    ],
+    cLanguageStandard: .c11
+)

README.md

@@ -25,6 +25,7 @@ you have the latest version
 - **[new option]** by starting v0.4.5, you can disable alignment requirement, check options in docs.  
 - **[major change]** by starting v0.5.0, vec3 functions use **glm_vec3_** namespace, it was **glm_vec_** until v0.5.0
 - **[major change]** by starting v0.5.1, built-in alignment is removed from **vec3** and **mat3** types
+- **[major change]** by starting v0.7.3, inline print functions are disabled in release/production mode to eliminate print costs (see options in documentation). Print output also improved. You can disable colors if you need  (see documentation)
 
 #### Note for C++ developers:
 If you are not aware of the original GLM library yet, you may also want to look at:
@@ -89,6 +90,7 @@ Currently *cglm* uses default clip space configuration (-1, 1) for camera functi
 - curves
 - curve interpolation helpers (S*M*C, deCasteljau...)
 - helpers to convert cglm types to Apple's simd library to pass cglm types to Metal GL without packing them on both sides
+- ray intersection helpers
 - and others...
 
 <hr />
@@ -148,6 +150,101 @@ The types used are actually unions that allow access to the same data multiple w
 
 ## Build
 
+### CMake (All platforms)
+```bash
+$ mkdir build
+$ cd build
+$ cmake .. # [Optional] -DCGLM_SHARED=ON
+$ make
+$ sudo make install # [Optional]
+```
+
+##### Cmake options with Defaults:
+
+```CMake
+option(CGLM_SHARED "Shared build" ON)
+option(CGLM_STATIC "Static build" OFF)
+option(CGLM_USE_C99 "" OFF) # C11 
+option(CGLM_USE_TEST "Enable Tests" OFF) # for make check - make test
+```
+
+#### Use with your CMake project
+* Example:
+```cmake
+cmake_minimum_required(VERSION 3.8.2)
+
+project(<Your Project Name>)
+
+add_executable(${PROJECT_NAME} src/main.c)
+target_link_libraries(${LIBRARY_NAME} PRIVATE
+  cglm)
+
+add_subdirectory(external/cglm/)
+
+# or you can use find_package to configure cglm
+```
+
+### Meson (All platforms)
+
+```bash
+$ meson build # [Optional] --default-library=static
+$ cd build
+$ ninja
+$ sudo ninja install # [Optional]
+```
+
+##### Meson options with Defaults:
+
+```meson
+c_std=c11
+buildtype=release
+default_library=shared
+enable_tests=false # to run tests: ninja test
+```
+#### Use with your Meson project
+* Example:
+```meson
+# Clone cglm or create a cglm.wrap under <source_root>/subprojects
+project('name', 'c')
+
+cglm_dep = dependency('cglm', fallback : 'cglm', 'cglm_dep')
+
+executable('exe', 'src/main.c', dependencies : cglm_dep)
+```
+
+### Swift (Swift Package Manager)
+
+Currently only default build options are supported. Add **cglm** dependency to your project:
+
+```swift
+...
+Package( 
+  ...
+  dependencies: [
+    ...
+    .package(url: "https://github.com/recp/cglm", .branch("master")),
+  ]
+  ...
+)
+```
+
+Now add **cgml** as a dependency to your target. Product choices are:
+- **cglm** for inlined version of the library which can be linked only statically
+- **cglmc** for a compiled version of the library with no linking limitation
+
+```swift
+...
+.target(
+  ...
+  dependencies: [
+    ...
+    .product(name: "cglm", package: "cglm"),
+  ]
+  ...
+)
+...
+```
+
 ### Unix (Autotools)
 
 ```bash
@@ -291,7 +388,7 @@ You can pass matrices the same way to other APIs e.g. Vulkan, DX...
 ## Contributors
 
 This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
-<a href="graphs/contributors"><img src="https://opencollective.com/cglm/contributors.svg?width=890&button=false" /></a>
+<a href="https://github.com/recp/cglm/graphs/contributors"><img src="https://opencollective.com/cglm/contributors.svg?width=890&button=false" /></a>
 
 
 ## Backers

cglm.podspec

@@ -2,10 +2,10 @@ Pod::Spec.new do |s|
 
   # Description
   s.name         = "cglm"
-  s.version      = "0.6.1"
+  s.version      = "0.7.9"
-  s.summary      = "📽 Optimized OpenGL/Graphics Math (glm) for C"
+  s.summary      = "📽 Highly Optimized Graphics Math (glm) for C"
   s.description  = <<-DESC
-cglm is math library for graphics programming for C. It is similar to original glm but it is written for C instead of C++ (you can use here too). See the documentation or README for all features.
+cglm is math library for graphics programming for C. See the documentation or README for all features.
                    DESC
 
   s.documentation_url = "http://cglm.readthedocs.io"
@@ -25,4 +25,13 @@ cglm is math library for graphics programming for C. It is similar to original g
 
   # Linking
   s.library = "m"
+
+  # Configuration
+  s.pod_target_xcconfig = {
+    'CLANG_ENABLE_MODULES' => 'NO',
+    'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
+    'CLANG_WARN_DOCUMENTATION_COMMENTS' => 'NO',
+    'GCC_C_LANGUAGE_STANDARD' => 'gnu11',
+    'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) GLM_TESTS_NO_COLORFUL_OUTPUT'
+  }
 end

configure.ac

@@ -7,7 +7,7 @@
 #*****************************************************************************
 
 AC_PREREQ([2.69])
-AC_INIT([cglm], [0.6.2], [info@recp.me])
+AC_INIT([cglm], [0.8.0], [info@recp.me])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects serial-tests])
 
 # Don't use the default cflags (-O2 -g), we set ours manually in Makefile.am.

docs/source/affine-mat.rst

@@ -1,6 +1,6 @@
 .. default-domain:: C
 
-affine transform matrix (specialized functions)
+3D Affine Transform Matrix (specialized functions)
 ================================================================================
 
 Header: cglm/affine-mat.h

docs/source/affine.rst

@@ -1,6 +1,6 @@
 .. default-domain:: C
 
-affine transforms
+3D Affine Transforms
 ================================================================================
 
 Header: cglm/affine.h
@@ -45,6 +45,8 @@ The implementation would be:
   glm_rotate(m, angle, axis);
   glm_translate(m, pivotInv); /* pivotInv = -pivot */
 
+.. _TransformsOrder:
+
 Transforms Order
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/source/affine2d.rst

@@ -0,0 +1,140 @@
+.. default-domain:: C
+
+2D Affine Transforms
+================================================================================
+
+Header: cglm/affine2d.h
+
+2D Transforms uses `2d` suffix for naming. If there is no 2D suffix it is 3D function.
+
+Initialize Transform Matrices
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Functions with **_make** prefix expect you don't have a matrix and they create
+a matrix for you. You don't need to pass identity matrix.
+
+But other functions expect you have a matrix and you want to transform them. If
+you didn't have any existing matrix you have to initialize matrix to identity
+before sending to transfrom functions.
+
+Transforms Order
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+See :ref:`TransformsOrder` to read similar section.
+
+
+Table of contents (click to go):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Functions:
+
+1. :c:func:`glm_translate2d`
+#. :c:func:`glm_translate2d_to`
+#. :c:func:`glm_translate2d_x`
+#. :c:func:`glm_translate2d_y`
+#. :c:func:`glm_translate2d_make`
+#. :c:func:`glm_scale2d_to`
+#. :c:func:`glm_scale2d_make`
+#. :c:func:`glm_scale2d`
+#. :c:func:`glm_scale2d_uni`
+#. :c:func:`glm_rotate2d_make`
+#. :c:func:`glm_rotate2d`
+#. :c:func:`glm_rotate2d_to`
+
+.. c:function:: void glm_translate2d(mat3 m, vec2 v)
+
+    translate existing 2d transform matrix by *v* vector and stores result in same matrix
+
+    Parameters:
+      | *[in, out]*  **m**    2d affine transfrom
+      | *[in]*       **v**    translate vector [x, y]
+
+.. c:function:: void glm_translate2d_to(mat3 m, vec2 v, mat3 dest)
+
+    translate existing 2d transform matrix by *v* vector and store result in dest
+
+    Parameters:
+      | *[in]*  **m**    2d affine transfrom
+      | *[in]*  **v**    translate vector [x, y]
+      | *[out]* **dest** translated matrix
+
+.. c:function:: void glm_translate2d_x(mat3 m, float x)
+
+    translate existing 2d transform matrix by x factor
+
+    Parameters:
+      | *[in, out]*  **m**    2d affine transfrom
+      | *[in]*       **x**    x factor
+
+.. c:function:: void glm_translate2d_y(mat3 m, float y)
+
+    translate existing 2d transform matrix by y factor
+
+    Parameters:
+      | *[in, out]*  **m**    2d affine transfrom
+      | *[in]*       **y**    y factor
+
+.. c:function:: void glm_translate2d_make(mat3 m, vec2 v)
+
+    creates NEW translate 2d transform matrix by *v* vector
+
+    Parameters:
+      | *[in, out]*  **m**    affine transfrom
+      | *[in]*       **v**    translate vector [x, y]
+
+.. c:function:: void glm_scale2d_to(mat3 m, vec2 v, mat3 dest)
+
+    scale existing 2d transform matrix by *v* vector and store result in dest
+
+    Parameters:
+      | *[in]*  **m**    affine transfrom
+      | *[in]*  **v**    scale vector [x, y]
+      | *[out]* **dest** scaled matrix
+
+.. c:function:: void glm_scale2d_make(mat3 m, vec2 v)
+
+    creates NEW 2d scale matrix by *v* vector
+
+    Parameters:
+      | *[in, out]*  **m**    affine transfrom
+      | *[in]*       **v**    scale vector [x, y]
+
+.. c:function:: void glm_scale2d(mat3 m, vec2 v)
+
+    scales existing 2d transform matrix by *v* vector and stores result in same matrix
+
+    Parameters:
+      | *[in, out]*  **m**    affine transfrom
+      | *[in]*       **v**    translate vector [x, y]
+
+.. c:function:: void glm_scale2d_uni(mat3 m, float s)
+
+    applies uniform scale to existing 2d transform matrix v = [s, s] and stores result in same matrix
+
+    Parameters:
+      | *[in, out]*  **m**  affine transfrom
+      | *[in]*       **s**  scale factor
+
+.. c:function:: void glm_rotate2d_make(mat3 m, float angle)
+
+    creates NEW rotation matrix by angle around *Z* axis
+
+    Parameters:
+      | *[in, out]*  **m**      affine transfrom
+      | *[in]*       **angle**  angle (radians)
+
+.. c:function:: void glm_rotate2d(mat3 m, float angle)
+
+    rotate existing 2d transform matrix around *Z* axis by angle and store result in same matrix
+
+    Parameters:
+      | *[in, out]*  **m**      affine transfrom
+      | *[in]*       **angle**  angle (radians)
+
+.. c:function:: void glm_rotate2d_to(mat3 m, float angle, mat3 dest)
+
+    rotate existing 2d transform matrix around *Z* axis by angle and store result in dest
+
+    Parameters:
+      | *[in]*  **m**      affine transfrom
+      | *[in]*  **angle**  angle (radians)
+      | *[out]* **dest**   rotated matrix

docs/source/api.rst

@@ -28,6 +28,7 @@ Follow the :doc:`build` documentation for this
 
    affine
    affine-mat
+   affine2d
    cam
    frustum
    box
@@ -35,10 +36,13 @@ Follow the :doc:`build` documentation for this
    euler
    mat4
    mat3
+   mat2
    vec3
    vec3-ext
    vec4
    vec4-ext
+   vec2
+   vec2-ext
    color
    plane
    project
@@ -48,3 +52,5 @@ Follow the :doc:`build` documentation for this
    sphere
    curve
    bezier
+   version
+   ray

docs/source/build.rst

@@ -7,6 +7,81 @@ Build cglm
 If you only need to inline versions, you don't need to build **cglm**, you don't need to link it to your program.
 Just import cglm to your project as dependency / external lib by copy-paste then use it as usual
 
+CMake (All platforms):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: bash
+  :linenos:
+
+  $ mkdir build
+  $ cd build
+  $ cmake .. # [Optional] -DCGLM_SHARED=ON
+  $ make
+  $ sudo make install # [Optional]
+
+**make** will build cglm to **build** folder.
+If you don't want to install **cglm** to your system's folder you can get static and dynamic libs in this folder.
+
+**CMake Options:**
+
+.. code-block:: CMake
+  :linenos:
+
+  option(CGLM_SHARED "Shared build" ON)
+  option(CGLM_STATIC "Static build" OFF)
+  option(CGLM_USE_C99 "" OFF) # C11 
+  option(CGLM_USE_TEST "Enable Tests" OFF) # for make check - make test
+
+**Use with your CMake project example**
+
+.. code-block:: CMake
+  :linenos:
+
+  cmake_minimum_required(VERSION 3.8.2)
+  
+  project(<Your Project Name>)
+  
+  add_executable(${PROJECT_NAME} src/main.c)
+  target_link_libraries(${LIBRARY_NAME} PRIVATE
+    cglm)
+  
+  add_subdirectory(external/cglm/)
+
+Meson (All platforms):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block::
+  :linenos:
+
+  $ meson build # [Optional] --default-library=static
+  $ cd build
+  $ ninja
+  $ sudo ninja install # [Optional]
+
+**Meson Options:**
+
+.. code-block:: 
+  :linenos:
+
+  c_std=c11
+  buildtype=release
+  default_library=shared
+  enable_tests=false # to run tests: ninja test
+
+
+**Use with your Meson project**
+
+.. code-block::
+  :linenos:
+
+  # Clone cglm or create a cglm.wrap under <source_root>/subprojects
+  project('name', 'c')
+  
+  cglm_dep = dependency('cglm', fallback : 'cglm', 'cglm_dep')
+  
+  executable('exe', 'src/main.c', dependencies : cglm_dep)
+
+
 Unix (Autotools):
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/source/cam.rst

@@ -198,7 +198,7 @@ Functions documentation
 
     Parameters:
       | *[in]*  **eye**     eye vector
-      | *[in]*  **center**  direction vector
+      | *[in]*  **dir**     direction vector
       | *[in]*  **up**      up vector
       | *[out]* **dest**    result matrix
 
@@ -212,7 +212,7 @@ Functions documentation
 
     Parameters:
       | *[in]*  **eye**     eye vector
-      | *[in]*  **center**  direction vector
+      | *[in]*  **dir**     direction vector
       | *[out]* **dest**    result matrix
 
 .. c:function:: void  glm_persp_decomp(mat4 proj, float *nearVal, float *farVal, float *top, float *bottom, float *left, float *right)

docs/source/conf.py

@@ -25,7 +25,7 @@
 
 # If your documentation needs a minimal Sphinx version, state it here.
 #
-# needs_sphinx = '1.0'
+# needs_sphinx = '3.0'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
@@ -62,9 +62,9 @@ author = u'Recep Aslantas'
 # built documents.
 #
 # The short X.Y version.
-version = u'0.6.2'
+version = u'0.8.0'
 # The full version, including alpha/beta/rc tags.
-release = u'0.6.2'
+release = u'0.8.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -197,3 +197,7 @@ epub_exclude_files = ['search.html']
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
+
+# -- Options for the C domain ------------------------------------------------
+
+c_id_attributes = ['__restrict']

docs/source/features.rst

@@ -1,10 +1,11 @@
 Features
 ================================================================================
 
+* array api and struct api, you can use arrays or structs.
 * general purpose matrix operations (mat4, mat3)
 * chain matrix multiplication (square only)
 * general purpose vector operations (cross, dot, rotate, proj, angle...)
-* affine transforms
+* affine transformations
 * matrix decomposition (extract rotation, scaling factor)
 * optimized affine transform matrices (mul, rigid-body inverse)
 * camera (lookat)
@@ -20,4 +21,6 @@ Features
 * easing functions
 * curves
 * curve interpolation helpers (SMC, deCasteljau...)
-* and other...
+* helpers to convert cglm types to Apple's simd library to pass cglm types to Metal GL without packing them on both sides
+* ray intersection helpers
+* and others...

docs/source/io.rst

@@ -28,6 +28,23 @@ Example to print mat4 matrix:
 (you probably will in some cases), you can change it temporary.
 cglm may provide precision parameter in the future
 
+Changes since **v0.7.3**:
+* Now mis-alignment of columns are fixed: larger numbers are printed via %g and others are printed via %f. Column withs are calculated before print.
+* Now values are colorful ;)
+* Some print improvements
+* New options with default values:
+
+.. code-block:: c
+
+    #define CGLM_PRINT_PRECISION    5
+    #define CGLM_PRINT_MAX_TO_SHORT 1e5
+    #define CGLM_PRINT_COLOR        "\033[36m"
+    #define CGLM_PRINT_COLOR_RESET  "\033[0m"
+
+* Inline prints are only enabled in DEBUG mode and if **CGLM_DEFINE_PRINTS** is defined.
+
+Check options page.
+
 Table of contents (click to go):
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/source/mat2.rst

@@ -0,0 +1,179 @@
+.. default-domain:: C
+
+mat2
+====
+
+Header: cglm/mat2.h
+
+Table of contents (click to go):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Macros:
+
+1. GLM_mat2_IDENTITY_INIT
+#. GLM_mat2_ZERO_INIT
+#. GLM_mat2_IDENTITY
+#. GLM_mat2_ZERO
+
+Functions:
+
+1. :c:func:`glm_mat2_copy`
+#. :c:func:`glm_mat2_identity`
+#. :c:func:`glm_mat2_identity_array`
+#. :c:func:`glm_mat2_zero`
+#. :c:func:`glm_mat2_mul`
+#. :c:func:`glm_mat2_transpose_to`
+#. :c:func:`glm_mat2_transpose`
+#. :c:func:`glm_mat2_mulv`
+#. :c:func:`glm_mat2_scale`
+#. :c:func:`glm_mat2_det`
+#. :c:func:`glm_mat2_inv`
+#. :c:func:`glm_mat2_trace`
+#. :c:func:`glm_mat2_swap_col`
+#. :c:func:`glm_mat2_swap_row`
+#. :c:func:`glm_mat2_rmc`
+
+Functions documentation
+~~~~~~~~~~~~~~~~~~~~~~~
+
+.. c:function:: void glm_mat2_copy(mat2 mat, mat2 dest)
+
+    copy mat2 to another one (dest).
+
+    Parameters:
+      | *[in]*  **mat**   source
+      | *[out]* **dest**  destination
+
+.. c:function:: void glm_mat2_identity(mat2 mat)
+
+    copy identity mat2 to mat, or makes mat to identiy
+
+    Parameters:
+      | *[out]* **mat**  matrix
+
+.. c:function:: void glm_mat2_identity_array(mat2 * __restrict mat, size_t count)
+
+    make given matrix array's each element identity matrix
+
+    Parameters:
+      | *[in,out]* **mat**  matrix array (must be aligned (16/32) if alignment is not disabled)
+      | *[in]* **count**  count of matrices
+
+.. c:function:: void glm_mat2_zero(mat2 mat)
+
+    make given matrix zero
+
+    Parameters:
+      | *[in,out]* **mat**  matrix to
+
+.. c:function:: void glm_mat2_mul(mat2 m1, mat2 m2, mat2 dest)
+
+    multiply m1 and m2 to dest
+    m1, m2 and dest matrices can be same matrix, it is possible to write this:
+
+    .. code-block:: c
+
+       mat2 m = GLM_mat2_IDENTITY_INIT;
+       glm_mat2_mul(m, m, m);
+
+    Parameters:
+      | *[in]*  **m1**    left matrix
+      | *[in]*  **m2**    right matrix
+      | *[out]* **dest**  destination matrix
+
+.. c:function:: void glm_mat2_transpose_to(mat2 m, mat2 dest)
+
+    transpose mat4 and store in dest
+    source matrix will not be transposed unless dest is m
+
+    Parameters:
+      | *[in]*  **mat**   source
+      | *[out]* **dest**  destination
+
+.. c:function:: void glm_mat2_transpose(mat2 m)
+
+    tranpose mat2 and store result in same matrix
+
+    Parameters:
+      | *[in]*  **mat**   source
+      | *[out]* **dest**  destination
+
+.. c:function:: void glm_mat2_mulv(mat2 m, vec2 v, vec2 dest)
+
+    multiply mat4 with vec4 (column vector) and store in dest vector
+
+    Parameters:
+      | *[in]*  **mat**   mat2 (left)
+      | *[in]*  **v**     vec2 (right, column vector)
+      | *[out]* **dest**  destination (result, column vector)
+
+.. c:function:: void  glm_mat2_scale(mat2 m, float s)
+
+    multiply matrix with scalar
+
+    Parameters:
+      | *[in, out]* **mat**   matrix
+      | *[in]*      **dest**  scalar
+
+.. c:function:: float  glm_mat2_det(mat2 mat)
+
+    returns mat2 determinant
+
+    Parameters:
+      | *[in]*  **mat**   matrix
+
+    Returns:
+        mat2 determinant
+
+.. c:function:: void glm_mat2_inv(mat2 mat, mat2 dest)
+
+    inverse mat2 and store in dest
+
+    Parameters:
+      | *[in]*  **mat**  matrix
+      | *[out]* **dest** destination (inverse matrix)
+
+.. c:function:: void glm_mat2_trace(mat2 m)
+
+    | sum of the elements on the main diagonal from upper left to the lower right
+
+    Parameters:
+      | *[in]*  **m**  matrix
+
+    Returns:
+        trace of matrix
+
+.. c:function:: void glm_mat2_swap_col(mat2 mat, int col1, int col2)
+
+    swap two matrix columns
+
+    Parameters:
+      | *[in, out]*  **mat**   matrix
+      | *[in]*       **col1**  col1
+      | *[in]*       **col2**  col2
+
+.. c:function:: void glm_mat2_swap_row(mat2 mat, int row1, int row2)
+
+    swap two matrix rows
+
+    Parameters:
+      | *[in, out]*  **mat**   matrix
+      | *[in]*       **row1**  row1
+      | *[in]*       **row2**  row2
+
+.. c:function:: float glm_mat2_rmc(vec2 r, mat2 m, vec2 c)
+
+    | **rmc** stands for **Row** * **Matrix** * **Column**
+
+    | helper for  R (row vector) * M (matrix) * C (column vector)
+
+    | the result is scalar because R * M = Matrix1x2 (row vector),
+    | then Matrix1x2 * Vec2 (column vector) = Matrix1x1 (Scalar)
+
+    Parameters:
+      | *[in]*  **r**  row vector or matrix1x2
+      | *[in]*  **m**  matrix2x2
+      | *[in]*  **c**  column vector or matrix2x1
+
+    Returns:
+        scalar value e.g. Matrix1x1

docs/source/mat4.rst

@@ -156,16 +156,22 @@ Functions documentation
     Parameters:
       | *[in]*  **m**     mat4 (left)
       | *[in]*  **v**     vec4 (right, column vector)
+      | *[in]*  **last**  4th item to make it vec4
       | *[out]* **dest**  vec4 (result, column vector)
 
-.. c:function:: void  glm_mat4_mulv3(mat4 m, vec3 v, vec3 dest)
+.. c:function:: void  glm_mat4_mulv3(mat4 m, vec3 v, float last, vec3 dest)
 
-    multiply vector with mat4's mat3 part(rotation)
+    | multiply **vec3** with **mat4** and get **vec3** as result
+    |
+    | actually the result is **vec4**, after multiplication, 
+      the last component is trimmed, if you need the result's last component 
+      then don't use this function and consider to use **glm_mat4_mulv()**
 
     Parameters:
-    | *[in]*  **m**     mat4 (left)
+      | *[in]*  **m**     mat4(affine transform)
-    | *[in]*  **v**     vec3 (right, column vector)
+      | *[in]*  **v**     vec3
-    | *[out]* **dest**  vec3 (result, column vector)
+      | *[in]*  **last**  4th item to make it vec4
+      | *[out]* **dest**  result vector (vec3)
 
 .. c:function:: void  glm_mat4_trace(mat4 m)
 

docs/source/opt.rst

@@ -18,7 +18,7 @@ versor: 16 byte
 By starting **v0.4.5** cglm provides an option to disable alignment requirement.
 To enable this option define **CGLM_ALL_UNALIGNED** macro before all headers.
 You can define it in Xcode, Visual Studio (or other IDEs) or you can also prefer
-to define it in build system. If you use pre-compiled verisons then you
+to define it in build system. If you use pre-compiled versions then you
 have to compile cglm with **CGLM_ALL_UNALIGNED** macro.
 
 **VERY VERY IMPORTANT:** If you use cglm in multiple projects and
@@ -50,3 +50,36 @@ You have to extra options for dot product: **CGLM_SSE4_DOT** and **CGLM_SSE3_DOT
 - If **SSE3** is enabled then you can define **CGLM_SSE3_DOT** to force cglm to use **_mm_hadd_ps** instructions.
 
 otherwise cglm will use custom cglm's hadd functions which are optimized too.
+
+Print Options
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+1. **CGLM_DEFINE_PRINTS**
+2. **CGLM_NO_PRINTS_NOOP** (use CGLM_DEFINE_PRINTS)
+
+Inline prints are only enabled in **DEBUG** mode or if **CGLM_DEFINE_PRINTS** is defined.
+**glmc_** versions will always print too.
+
+Because **cglm** tried to enable print functions in debug mode and disable them in
+release/production mode to eliminate printing costs when we do not need them.
+
+**cglm** checks **DEBUG** or **_DEBUG** macros to test debug mode, if these are not working for you then you can use 
+**CGLM_DEFINE_PRINTS** to force enable, or create a PR to introduce new macro to test against debugging mode.
+
+If DEBUG mode is not enabled then print functions will be emptied to eliminate print function calls.
+You can disable this feature too by defining **CGLM_DEFINE_PRINTS** macro top of cglm header 
+or in project/build settings...
+
+3. **CGLM_PRINT_PRECISION**    5
+
+precision.
+
+4. **CGLM_PRINT_MAX_TO_SHORT** 1e5
+
+if a number is greater than this value then %g will be used, since this is shorten print you won't be able to see high precision.
+
+5. **CGLM_PRINT_COLOR**        "\033[36m"
+6. **CGLM_PRINT_COLOR_RESET**  "\033[0m"
+
+You can disable colorful print output by defining **CGLM_PRINT_COLOR** and **CGLM_PRINT_COLOR_RESET** as empty macro.
+Because some terminals may not support colors.

docs/source/quat.rst

@@ -324,26 +324,24 @@ Functions documentation
       | *[in]*  **ori**   orientation in world space as quaternion
       | *[out]* **dest**  result matrix
 
-.. c:function:: void  glm_quat_for(vec3 dir, vec3 fwd, vec3 up, versor dest)
+.. c:function:: void  glm_quat_for(vec3 dir, vec3 up, versor dest)
 
     | creates look rotation quaternion
 
     Parameters:
       | *[in]*  **dir**   direction to look
-      | *[in]*  **fwd**   forward vector
       | *[in]*  **up**    up vector
       | *[out]* **dest**  result matrix
 
-.. c:function:: void  glm_quat_forp(vec3 from, vec3 to, vec3 fwd, vec3 up, versor dest)
+.. c:function:: void  glm_quat_forp(vec3 from, vec3 to, vec3 up, versor dest)
 
-    | creates look rotation quaternion using source and  destination positions p suffix stands for position
+    | creates look rotation quaternion using source and destination positions p suffix stands for position
 
     | this is similar to glm_quat_for except this computes direction for glm_quat_for for you.
 
     Parameters:
       | *[in]*  **from**  source point
       | *[in]*  **to**    destination point
-      | *[in]*  **fwd**   forward vector
       | *[in]*  **up**    up vector
       | *[out]* **dest**  result matrix
 
@@ -376,7 +374,7 @@ Functions documentation
       | *[in]*       **q**      quaternion
       | *[in]*       **pivot**  pivot
 
-.. c:function:: void glm_quat_rotate(mat4 m, versor q, mat4 dest)
+.. c:function:: void glm_quat_rotate_atm(mat4 m, versor q, vec3 pivot)
 
     | rotate NEW transform matrix using quaternion at pivot point
     | this creates rotation matrix, it assumes you don't have a matrix

docs/source/ray.rst

@@ -0,0 +1,31 @@
+.. default-domain:: C
+
+ray
+====
+
+Header: cglm/ray.h
+
+This is for collision-checks used by ray-tracers and the like.
+
+Table of contents (click to go):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Functions:
+
+1. :c:func:`glm_ray_triangle`
+
+Functions documentation
+~~~~~~~~~~~~~~~~~~~~~~~
+
+.. c:function:: bool  glm_ray_triangle(vec3 origin, vec3 direction, vec3 v0, vec3 v1, vec3 v2, float *d)
+
+    Möller–Trumbore ray-triangle intersection algorithm
+
+    Parameters:
+      | *[in]*       **origin**        origin of ray
+      | *[in]*       **direction**     direction of ray
+      | *[in]*       **v0**            first vertex of triangle
+      | *[in]*       **v1**            second vertex of triangle
+      | *[in]*       **v2**            third vertex of triangle
+      | *[in, out]*  **d**             float pointer to save distance to intersection
+      | *[out]*      **intersection**  whether there is intersection

docs/source/troubleshooting.rst

@@ -80,6 +80,19 @@ So be carefull, when your IDE (Xcode, Visual Studio ...) tried to autocomplete f
 
 **Also implementation may be wrong please let us know by creating an issue on Github.**
 
+BAD_ACCESS : Thread 1: EXC_BAD_ACCESS (code=EXC_I386_GPFLT) or Similar Errors/Crashes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This is similar issue with alignment. For instance if you compiled **cglm** with 
+AVX (**-mavx**, intentionally or not) and if you use **cglm** in an environment that doesn't 
+support AVX (or if AVX is disabled intentionally) e.g. environment that max support SSE2/3/4, 
+then you probably get **BAD ACCESS** or similar...
+
+Because if you compile **cglm** with AVX it aligns **mat4** with 32 byte boundary, 
+and your project aligns that as 16 byte boundary...
+
+Check alignment, supported vector extension or simd in **cglm** and linked projects...
+
 Other Issues?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/source/util.rst

@@ -23,6 +23,7 @@ Functions:
 #. :c:func:`glm_max`
 #. :c:func:`glm_clamp`
 #. :c:func:`glm_lerp`
+#. :c:func:`glm_swapf`
 
 Functions documentation
 ~~~~~~~~~~~~~~~~~~~~~~~
@@ -146,7 +147,7 @@ Functions documentation
       | *[in]*  **b**   b
 
     Returns:
-       true if a and b equals
+       true if a and b are equal
 
 .. c:function:: float glm_percent(float from, float to, float current)
 
@@ -158,7 +159,7 @@ Functions documentation
       | *[in]*  **current**   value between from and to values
 
     Returns:
-       clamped normalized percent (0-100 in 0-1)
+       percentage of current value
 
 .. c:function:: float glm_percentc(float from, float to, float current)
 
@@ -171,3 +172,11 @@ Functions documentation
 
     Returns:
        clamped normalized percent (0-100 in 0-1)
+
+.. c:function:: void glm_swapf(float *a, float *b) 
+
+    swap two float values
+
+    Parameters:
+      | *[in]*  **a**      float 1
+      | *[in]*  **b**      float 2

docs/source/vec2-ext.rst

@@ -0,0 +1,134 @@
+.. default-domain:: C
+
+vec2 extra
+==========
+
+Header: cglm/vec2-ext.h
+
+There are some functions are in called in extra header. These are called extra
+because they are not used like other functions in vec2.h in the future some of
+these functions ma be moved to vec2 header.
+
+Table of contents (click to go):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Functions:
+
+1. :c:func:`glm_vec2_fill`
+#. :c:func:`glm_vec2_eq`
+#. :c:func:`glm_vec2_eq_eps`
+#. :c:func:`glm_vec2_eq_all`
+#. :c:func:`glm_vec2_eqv`
+#. :c:func:`glm_vec2_eqv_eps`
+#. :c:func:`glm_vec2_max`
+#. :c:func:`glm_vec2_min`
+#. :c:func:`glm_vec2_isnan`
+#. :c:func:`glm_vec2_isinf`
+#. :c:func:`glm_vec2_isvalid`
+#. :c:func:`glm_vec2_sign`
+#. :c:func:`glm_vec2_sqrt`
+
+Functions documentation
+~~~~~~~~~~~~~~~~~~~~~~~
+
+.. c:function:: void glm_vec2_fill(vec2 v, float val)
+
+    fill a vector with specified value
+
+    Parameters:
+      | *[in,out]* **dest**  destination
+      | *[in]*     **val**   value
+      
+
+.. c:function:: bool glm_vec2_eq(vec2 v, float val)
+
+    check if vector is equal to value (without epsilon)
+
+    Parameters:
+      | *[in]*  **v**    vector
+      | *[in]*  **val**  value
+
+.. c:function:: bool glm_vec2_eq_eps(vec2 v, float val)
+
+    check if vector is equal to value (with epsilon)
+
+    Parameters:
+      | *[in]*  **v**    vector
+      | *[in]*  **val**  value
+
+.. c:function:: bool glm_vec2_eq_all(vec2 v)
+
+    check if vectors members are equal (without epsilon)
+
+    Parameters:
+      | *[in]*  **v**   vector
+
+.. c:function:: bool glm_vec2_eqv(vec2 v1, vec2 v2)
+
+    check if vector is equal to another (without epsilon) vector
+
+    Parameters:
+      | *[in]*  **vec**   vector 1
+      | *[in]*  **vec**   vector 2
+
+.. c:function:: bool glm_vec2_eqv_eps(vec2 v1, vec2 v2)
+
+    check if vector is equal to another (with epsilon)
+
+    Parameters:
+      | *[in]*  **v1**    vector1
+      | *[in]*  **v2**    vector2
+
+.. c:function:: float glm_vec2_max(vec2 v)
+
+    max value of vector
+
+    Parameters:
+      | *[in]*  **v**    vector
+
+.. c:function:: float glm_vec2_min(vec2 v)
+
+     min value of vector
+
+    Parameters:
+      | *[in]*  **v**  vector
+
+.. c:function:: bool glm_vec2_isnan(vec2 v)
+
+    | check if one of items is NaN (not a number)
+    | you should only use this in DEBUG mode or very critical asserts
+
+    Parameters:
+      | *[in]*  **v**  vector
+
+.. c:function:: bool glm_vec2_isinf(vec2 v)
+
+    | check if one of items is INFINITY
+    | you should only use this in DEBUG mode or very critical asserts
+
+    Parameters:
+      | *[in]*  **v**  vector
+
+.. c:function:: bool glm_vec2_isvalid(vec2 v)
+
+    | check if all items are valid number
+    | you should only use this in DEBUG mode or very critical asserts
+
+    Parameters:
+      | *[in]*  **v**  vector
+
+.. c:function:: void glm_vec2_sign(vec2 v, vec2 dest)
+
+    get sign of 32 bit float as +1, -1, 0
+
+    Parameters:
+      | *[in]*   **v**     vector
+      | *[out]*  **dest**  sign vector (only keeps signs as -1, 0, -1)
+
+.. c:function:: void glm_vec2_sqrt(vec2 v, vec2 dest)
+
+    square root of each vector item
+
+    Parameters:
+      | *[in]*   **v**     vector
+      | *[out]*  **dest**  destination vector (sqrt(v))

docs/source/vec2.rst

@@ -0,0 +1,375 @@
+.. default-domain:: C
+
+vec2
+====
+
+Header: cglm/vec2.h
+
+Table of contents (click to go):
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Macros:
+
+1. GLM_vec2_ONE_INIT
+#. GLM_vec2_ZERO_INIT
+#. GLM_vec2_ONE
+#. GLM_vec2_ZERO
+
+Functions:
+
+1. :c:func:`glm_vec2`
+#. :c:func:`glm_vec2_copy`
+#. :c:func:`glm_vec2_zero`
+#. :c:func:`glm_vec2_one`
+#. :c:func:`glm_vec2_dot`
+#. :c:func:`glm_vec2_cross`
+#. :c:func:`glm_vec2_norm2`
+#. :c:func:`glm_vec2_norm`
+#. :c:func:`glm_vec2_add`
+#. :c:func:`glm_vec2_adds`
+#. :c:func:`glm_vec2_sub`
+#. :c:func:`glm_vec2_subs`
+#. :c:func:`glm_vec2_mul`
+#. :c:func:`glm_vec2_scale`
+#. :c:func:`glm_vec2_scale_as`
+#. :c:func:`glm_vec2_div`
+#. :c:func:`glm_vec2_divs`
+#. :c:func:`glm_vec2_addadd`
+#. :c:func:`glm_vec2_subadd`
+#. :c:func:`glm_vec2_muladd`
+#. :c:func:`glm_vec2_muladds`
+#. :c:func:`glm_vec2_maxadd`
+#. :c:func:`glm_vec2_minadd`
+#. :c:func:`glm_vec2_negate`
+#. :c:func:`glm_vec2_negate_to`
+#. :c:func:`glm_vec2_normalize`
+#. :c:func:`glm_vec2_normalize_to`
+#. :c:func:`glm_vec2_rotate`
+#. :c:func:`glm_vec2_distance2`
+#. :c:func:`glm_vec2_distance`
+#. :c:func:`glm_vec2_maxv`
+#. :c:func:`glm_vec2_minv`
+#. :c:func:`glm_vec2_clamp`
+#. :c:func:`glm_vec2_lerp`
+
+Functions documentation
+~~~~~~~~~~~~~~~~~~~~~~~
+
+.. c:function:: void glm_vec2(float * v, vec2 dest)
+
+    init vec2 using vec3 or vec4
+
+    Parameters:
+      | *[in]*  **v**     vector
+      | *[out]* **dest**  destination
+
+.. c:function:: void glm_vec2_copy(vec2 a, vec2 dest)
+
+    copy all members of [a] to [dest]
+
+    Parameters:
+      | *[in]*  **a**     source
+      | *[out]* **dest**  destination
+
+.. c:function:: void glm_vec2_zero(vec2 v)
+
+    makes all members 0.0f (zero)
+
+    Parameters:
+      | *[in, out]*  **v**     vector
+
+.. c:function:: void  glm_vec2_one(vec2 v)
+
+    makes all members 1.0f (one)
+
+    Parameters:
+      | *[in, out]*  **v**     vector
+
+.. c:function:: float glm_vec2_dot(vec2 a, vec2 b)
+
+    dot product of vec2
+
+    Parameters:
+      | *[in]*  **a**  vector1
+      | *[in]*  **b**  vector2
+
+    Returns:
+      dot product
+
+.. c:function:: void glm_vec2_cross(vec2 a, vec2 b, vec2 d)
+
+    cross product of two vector (RH)
+
+    | ref: http://allenchou.net/2013/07/cross-product-of-2d-vectors/
+
+    Parameters:
+      | *[in]*  **a**     vector 1
+      | *[in]*  **b**     vector 2
+      | *[out]* **dest**  destination
+
+    Returns:
+      Z component of cross product
+
+.. c:function:: float glm_vec2_norm2(vec2 v)
+
+    norm * norm (magnitude) of vector
+
+    we can use this func instead of calling norm * norm, because it would call
+    sqrtf fuction twice but with this func we can avoid func call, maybe this is
+    not good name for this func
+
+    Parameters:
+      | *[in]*  **v**   vector
+
+    Returns:
+      square of norm / magnitude
+
+.. c:function:: float glm_vec2_norm(vec2 vec)
+
+    | euclidean norm (magnitude), also called L2 norm
+    | this will give magnitude of vector in euclidean space
+
+    Parameters:
+      | *[in]*  **vec**   vector
+
+.. c:function:: void glm_vec2_add(vec2 a, vec2 b, vec2 dest)
+
+    add a vector to b vector store result in dest
+
+    Parameters:
+      | *[in]*  **a**     vector1
+      | *[in]*  **b**     vector2
+      | *[out]* **dest**  destination vector
+
+.. c:function:: void glm_vec2_adds(vec2 a, float s, vec2 dest)
+
+    add scalar to v vector store result in dest (d = v + vec(s))
+
+    Parameters:
+      | *[in]*  **v**     vector
+      | *[in]*  **s**     scalar
+      | *[out]* **dest**  destination vector
+
+.. c:function:: void glm_vec2_sub(vec2 v1, vec2 v2, vec2 dest)
+
+    subtract b vector from a vector store result in dest (d = v1 - v2)
+
+    Parameters:
+      | *[in]*  **a**     vector1
+      | *[in]*  **b**     vector2
+      | *[out]* **dest**  destination vector
+
+.. c:function:: void glm_vec2_subs(vec2 v, float s, vec2 dest)
+
+    subtract scalar from v vector store result in dest (d = v - vec(s))
+
+    Parameters:
+      | *[in]*  **v**     vector
+      | *[in]*  **s**     scalar
+      | *[out]* **dest**  destination vector
+
+.. c:function:: void glm_vec2_mul(vec2 a, vec2 b, vec2 d)
+
+    multiply two vector (component-wise multiplication)
+
+    Parameters:
+      | *[in]*  **a**     vector
+      | *[in]*  **b**     scalar
+      | *[out]* **d**     result = (a[0] * b[0], a[1] * b[1], a[2] * b[2])
+
+.. c:function:: void glm_vec2_scale(vec2 v, float s, vec2 dest)
+
+     multiply/scale vec2 vector with scalar: result = v * s
+
+
+    Parameters:
+      | *[in]*  **v**     vector
+      | *[in]*  **s**     scalar
+      | *[out]* **dest**  destination vector
+
+.. c:function:: void glm_vec2_scale_as(vec2 v, float s, vec2 dest)
+
+    make vec2 vector scale as specified: result = unit(v) * s
+
+    Parameters:
+      | *[in]*  **v**     vector
+      | *[in]*  **s**     scalar
+      | *[out]* **dest**  destination vector
+
+.. c:function:: void glm_vec2_div(vec2 a, vec2 b, vec2 dest)
+
+    div vector with another component-wise division: d = a / b
+
+    Parameters:
+      | *[in]*  **a**     vector 1
+      | *[in]*  **b**     vector 2
+      | *[out]* **dest**  result = (a[0] / b[0], a[1] / b[1], a[2] / b[2])
+
+.. c:function:: void glm_vec2_divs(vec2 v, float s, vec2 dest)
+
+    div vector with scalar: d = v / s
+
+    Parameters:
+      | *[in]*  **v**     vector
+      | *[in]*  **s**     scalar
+      | *[out]* **dest**  result = (a[0] / s, a[1] / s, a[2] / s])
+
+.. c:function:: void glm_vec2_addadd(vec2 a, vec2 b, vec2 dest)
+
+    | add two vectors and add result to sum
+    | it applies += operator so dest must be initialized
+
+    Parameters:
+      | *[in]*  **a**     vector 1
+      | *[in]*  **b**     vector 2
+      | *[out]* **dest**  dest += (a + b)
+
+.. c:function:: void glm_vec2_subadd(vec2 a, vec2 b, vec2 dest)
+
+    | sub two vectors and add result to sum
+    | it applies += operator so dest must be initialized
+
+    Parameters:
+      | *[in]*  **a**     vector 1
+      | *[in]*  **b**     vector 2
+      | *[out]* **dest**  dest += (a - b)
+
+.. c:function:: void glm_vec2_muladd(vec2 a, vec2 b, vec2 dest)
+
+    | mul two vectors and add result to sum
+    | it applies += operator so dest must be initialized
+
+    Parameters:
+      | *[in]*  **a**     vector 1
+      | *[in]*  **b**     vector 2
+      | *[out]* **dest**  dest += (a * b)
+
+.. c:function:: void glm_vec2_muladds(vec2 a, float s, vec2 dest)
+
+    | mul vector with scalar and add result to sum
+    | it applies += operator so dest must be initialized
+
+    Parameters:
+      | *[in]*  **a**     vector
+      | *[in]*  **s**     scalar
+      | *[out]* **dest**  dest += (a * b)
+
+.. c:function:: void glm_vec2_maxadd(vec2 a, vec2 b, vec2 dest)
+
+    | add max of two vector to result/dest
+    | it applies += operator so dest must be initialized
+
+    Parameters:
+      | *[in]*  **a**     vector 1
+      | *[in]*  **b**     vector 2
+      | *[out]* **dest**  dest += (a * b)
+
+.. c:function:: void glm_vec2_minadd(vec2 a, vec2 b, vec2 dest)
+
+    | add min of two vector to result/dest
+    | it applies += operator so dest must be initialized
+
+    Parameters:
+      | *[in]*  **a**     vector 1
+      | *[in]*  **b**     vector 2
+      | *[out]* **dest**  dest += (a * b)
+
+.. c:function:: void glm_vec2_negate(vec2 v)
+
+    negate vector components
+
+    Parameters:
+      | *[in, out]*  **v**    vector
+
+.. c:function:: void glm_vec2_negate_to(vec2 v, vec2 dest)
+
+    negate vector components and store result in dest
+
+    Parameters:
+      | *[in]*  **v**       vector
+      | *[out]* **dest**    negated vector
+
+.. c:function:: void glm_vec2_normalize(vec2 v)
+
+    normalize vec2 and store result in same vec
+
+    Parameters:
+      | *[in, out]*  **v**    vector
+
+.. c:function:: void glm_vec2_normalize_to(vec2 vec, vec2 dest)
+
+     normalize vec2 to dest
+
+    Parameters:
+      | *[in]*   **vec**   source
+      | *[out]*  **dest**  destination
+
+.. c:function:: void glm_vec2_rotate(vec2 v, float angle, vec2 dest)
+
+     rotate vec2 around axis by angle using Rodrigues' rotation formula
+
+    Parameters:
+      | *[in]*  **v**      vector
+      | *[in]*  **axis**   axis vector
+      | *[out]* **dest**   destination
+
+.. c:function:: float glm_vec2_distance2(vec2 v1, vec2 v2)
+
+    squared distance between two vectors
+
+    Parameters:
+      | *[in]*  **mat**   vector1
+      | *[in]*  **row1**  vector2
+
+    Returns:
+      | squared distance (distance * distance)
+
+.. c:function:: float glm_vec2_distance(vec2 v1, vec2 v2)
+
+    distance between two vectors
+
+    Parameters:
+      | *[in]*  **mat**   vector1
+      | *[in]*  **row1**  vector2
+
+    Returns:
+      | distance
+
+.. c:function:: void glm_vec2_maxv(vec2 v1, vec2 v2, vec2 dest)
+
+    max values of vectors
+
+    Parameters:
+      | *[in]*  **v1**    vector1
+      | *[in]*  **v2**    vector2
+      | *[out]* **dest**  destination
+
+.. c:function:: void glm_vec2_minv(vec2 v1, vec2 v2, vec2 dest)
+
+    min values of vectors
+
+    Parameters:
+      | *[in]*  **v1**    vector1
+      | *[in]*  **v2**    vector2
+      | *[out]* **dest**  destination
+
+.. c:function:: void glm_vec2_clamp(vec2 v, float minVal, float maxVal)
+
+    constrain a value to lie between two further values
+
+    Parameters:
+      | *[in, out]*  **v**       vector
+      | *[in]*       **minVal**  minimum value
+      | *[in]*       **maxVal**  maximum value
+
+.. c:function:: void glm_vec2_lerp(vec2 from, vec2 to, float t, vec2 dest)
+
+    linear interpolation between two vector
+
+    | formula:  from + s * (to - from)
+
+    Parameters:
+      | *[in]*  **from**   from value
+      | *[in]*  **to**     to value
+      | *[in]*  **t**      interpolant (amount) clamped between 0 and 1
+      | *[out]* **dest**   destination

docs/source/vec3.rst

@@ -392,7 +392,7 @@ Functions documentation
     Parameters:
       | *[in, out]*  **v**      vector
       | *[in]*       **axis**   axis vector (will be normalized)
-      | *[out]*      **angle**  angle (radians)
+      | *[in]*       **angle**  angle (radians)
 
 .. c:function:: void  glm_vec3_rotate_m4(mat4 m, vec3 v, vec3 dest)
 
@@ -435,8 +435,8 @@ Functions documentation
     squared distance between two vectors
 
     Parameters:
-      | *[in]*  **mat**   vector1
+      | *[in]*  **v1**  vector1
-      | *[in]*  **row1**  vector2
+      | *[in]*  **v2**  vector2
 
     Returns:
       | squared distance (distance * distance)
@@ -446,8 +446,8 @@ Functions documentation
     distance between two vectors
 
     Parameters:
-      | *[in]*  **mat**   vector1
+      | *[in]*  **v1**  vector1
-      | *[in]*  **row1**  vector2
+      | *[in]*  **v2**  vector2
 
     Returns:
       | distance
@@ -475,7 +475,7 @@ Functions documentation
     possible orthogonal/perpendicular vector
 
     Parameters:
-      | *[in]*  **mat**   vector
+      | *[in]*  **v**     vector
       | *[out]* **dest**  orthogonal/perpendicular vector
 
 .. c:function:: void  glm_vec3_clamp(vec3 v, float minVal, float maxVal)

docs/source/version.rst

@@ -0,0 +1,15 @@
+.. default-domain:: C
+
+version
+================================================================================
+
+Header: cglm/version.h
+
+**cglm** uses semantic versioning (http://semver.org) which is MAJOR.MINOR.PATCH 
+
+| **CGLM_VERSION_MAJOR** is major number of the version.
+| **CGLM_VERSION_MINOR** is minor number of the version.
+| **CGLM_VERSION_PATCH** is patch number of the version.
+
+every release increases these numbers. You can check existing version by 
+including `cglm/version.h`

include/cglm/affine.h

@@ -40,10 +40,6 @@
 #include "mat4.h"
 #include "affine-mat.h"
 
-CGLM_INLINE
-void
-glm_mat4_mul(mat4 m1, mat4 m2, mat4 dest);
-
 /*!
  * @brief translate existing transform matrix by v vector
  *        and stores result in same matrix
@@ -459,7 +455,7 @@ glm_decompose_rs(mat4 m, mat4 r, vec3 s) {
   glm_vec4_scale(r[1], 1.0f/s[1], r[1]);
   glm_vec4_scale(r[2], 1.0f/s[2], r[2]);
 
-  /* Note from Apple Open Source (asume that the matrix is orthonormal):
+  /* Note from Apple Open Source (assume that the matrix is orthonormal):
      check for a coordinate system flip.  If the determinant
      is -1, then negate the matrix and the scaling factors. */
   glm_vec3_cross(m[0], m[1], v);

include/cglm/affine2d.h

@@ -0,0 +1,268 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Functions:
+   CGLM_INLINE void glm_translate2d(mat3 m, vec2 v)
+   CGLM_INLINE void glm_translate2d_to(mat3 m, vec2 v, mat3 dest)
+   CGLM_INLINE void glm_translate2d_x(mat3 m, float x)
+   CGLM_INLINE void glm_translate2d_y(mat3 m, float y)
+   CGLM_INLINE void glm_translate2d_make(mat3 m, vec2 v)
+   CGLM_INLINE void glm_scale2d_to(mat3 m, vec2 v, mat3 dest)
+   CGLM_INLINE void glm_scale2d_make(mat3 m, vec2 v)
+   CGLM_INLINE void glm_scale2d(mat3 m, vec2 v)
+   CGLM_INLINE void glm_scale2d_uni(mat3 m, float s)
+   CGLM_INLINE void glm_rotate2d_make(mat3 m, float angle)
+   CGLM_INLINE void glm_rotate2d(mat3 m, float angle)
+   CGLM_INLINE void glm_rotate2d_to(mat3 m, float angle, mat3 dest)
+ */
+
+#ifndef cglm_affine2d_h
+#define cglm_affine2d_h
+
+#include "common.h"
+#include "util.h"
+#include "vec2.h"
+#include "mat3.h"
+
+/*!
+ * @brief translate existing 2d transform matrix by v vector
+ *        and stores result in same matrix
+ *
+ * @param[in, out]  m  affine transfrom
+ * @param[in]       v  translate vector [x, y]
+ */
+CGLM_INLINE
+void
+glm_translate2d(mat3 m, vec2 v) {
+  m[2][0] = m[0][0] * v[0] + m[1][0] * v[1] + m[2][0];
+  m[2][1] = m[0][1] * v[0] + m[1][1] * v[1] + m[2][1];
+  m[2][2] = m[0][2] * v[0] + m[1][2] * v[1] + m[2][2];
+}
+
+/*!
+ * @brief translate existing 2d transform matrix by v vector
+ *        and store result in dest
+ *
+ * source matrix will remain same
+ *
+ * @param[in]  m    affine transfrom
+ * @param[in]  v    translate vector [x, y]
+ * @param[out] dest translated matrix
+ */
+CGLM_INLINE
+void
+glm_translate2d_to(mat3 m, vec2 v, mat3 dest) {
+  glm_mat3_copy(m, dest);
+  glm_translate2d(dest, v);
+}
+
+/*!
+ * @brief translate existing 2d transform matrix by x factor
+ *
+ * @param[in, out]  m  affine transfrom
+ * @param[in]       x  x factor
+ */
+CGLM_INLINE
+void
+glm_translate2d_x(mat3 m, float x) {
+  m[2][0] = m[0][0] * x + m[2][0];
+  m[2][1] = m[0][1] * x + m[2][1];
+  m[2][2] = m[0][2] * x + m[2][2];
+}
+
+/*!
+ * @brief translate existing 2d transform matrix by y factor
+ *
+ * @param[in, out]  m  affine transfrom
+ * @param[in]       y  y factor
+ */
+CGLM_INLINE
+void
+glm_translate2d_y(mat3 m, float y) {
+  m[2][0] = m[1][0] * y + m[2][0];
+  m[2][1] = m[1][1] * y + m[2][1];
+  m[2][2] = m[1][2] * y + m[2][2];
+}
+
+/*!
+ * @brief creates NEW translate 2d transform matrix by v vector
+ *
+ * @param[out]  m  affine transfrom
+ * @param[in]   v  translate vector [x, y]
+ */
+CGLM_INLINE
+void
+glm_translate2d_make(mat3 m, vec2 v) {
+  glm_mat3_identity(m);
+  m[2][0] = v[0];
+  m[2][1] = v[1];
+}
+
+/*!
+ * @brief scale existing 2d transform matrix by v vector
+ *        and store result in dest
+ *
+ * @param[in]  m    affine transfrom
+ * @param[in]  v    scale vector [x, y]
+ * @param[out] dest scaled matrix
+ */
+CGLM_INLINE
+void
+glm_scale2d_to(mat3 m, vec2 v, mat3 dest) {
+  dest[0][0] = m[0][0] * v[0];
+  dest[0][1] = m[0][1] * v[0];
+  dest[0][2] = m[0][2] * v[0];
+  
+  dest[1][0] = m[1][0] * v[1];
+  dest[1][1] = m[1][1] * v[1];
+  dest[1][2] = m[1][2] * v[1];
+  
+  dest[2][0] = m[2][0];
+  dest[2][1] = m[2][1];
+  dest[2][2] = m[2][2];
+}
+
+/*!
+ * @brief creates NEW 2d scale matrix by v vector
+ *
+ * @param[out]  m  affine transfrom
+ * @param[in]   v  scale vector [x, y]
+ */
+CGLM_INLINE
+void
+glm_scale2d_make(mat3 m, vec2 v) {
+  glm_mat3_identity(m);
+  m[0][0] = v[0];
+  m[1][1] = v[1];
+}
+
+/*!
+ * @brief scales existing 2d transform matrix by v vector
+ *        and stores result in same matrix
+ *
+ * @param[in, out]  m  affine transfrom
+ * @param[in]       v  scale vector [x, y]
+ */
+CGLM_INLINE
+void
+glm_scale2d(mat3 m, vec2 v) {
+  m[0][0] = m[0][0] * v[0];
+  m[0][1] = m[0][1] * v[0];
+  m[0][2] = m[0][2] * v[0];
+
+  m[1][0] = m[1][0] * v[1];
+  m[1][1] = m[1][1] * v[1];
+  m[1][2] = m[1][2] * v[1];
+}
+
+/*!
+ * @brief applies uniform scale to existing 2d transform matrix v = [s, s]
+ *        and stores result in same matrix
+ *
+ * @param[in, out]  m  affine transfrom
+ * @param[in]       s  scale factor
+ */
+CGLM_INLINE
+void
+glm_scale2d_uni(mat3 m, float s) {
+  m[0][0] = m[0][0] * s;
+  m[0][1] = m[0][1] * s;
+  m[0][2] = m[0][2] * s;
+
+  m[1][0] = m[1][0] * s;
+  m[1][1] = m[1][1] * s;
+  m[1][2] = m[1][2] * s;
+}
+
+/*!
+ * @brief creates NEW rotation matrix by angle around Z axis
+ *
+ * @param[out] m     affine transfrom
+ * @param[in]  angle angle (radians)
+ */
+CGLM_INLINE
+void
+glm_rotate2d_make(mat3 m, float angle) {
+  float c, s;
+
+  s = sinf(angle);
+  c = cosf(angle);
+  
+  m[0][0] = c;
+  m[0][1] = s;
+  m[0][2] = 0;
+
+  m[1][0] = -s;
+  m[1][1] = c;
+  m[1][2] = 0;
+  
+  m[2][0] = 0.0f;
+  m[2][1] = 0.0f;
+  m[2][2] = 1.0f;
+}
+
+/*!
+ * @brief rotate existing 2d transform matrix around Z axis by angle
+ *         and store result in same matrix
+ *
+ * @param[in, out]  m      affine transfrom
+ * @param[in]       angle  angle (radians)
+ */
+CGLM_INLINE
+void
+glm_rotate2d(mat3 m, float angle) {
+  float m00 = m[0][0],  m10 = m[1][0],
+        m01 = m[0][1],  m11 = m[1][1],
+        m02 = m[0][2],  m12 = m[1][2];
+  float c, s;
+
+  s = sinf(angle);
+  c = cosf(angle);
+  
+  m[0][0] = m00 * c + m10 * s;
+  m[0][1] = m01 * c + m11 * s;
+  m[0][2] = m02 * c + m12 * s;
+
+  m[1][0] = m00 * -s + m10 * c;
+  m[1][1] = m01 * -s + m11 * c;
+  m[1][2] = m02 * -s + m12 * c;
+}
+
+/*!
+ * @brief rotate existing 2d transform matrix around Z axis by angle
+ *        and store result in dest
+ *
+ * @param[in]  m      affine transfrom
+ * @param[in]  angle  angle (radians)
+ * @param[out] dest   destination
+ */
+CGLM_INLINE
+void
+glm_rotate2d_to(mat3 m, float angle, mat3 dest) {
+  float m00 = m[0][0],  m10 = m[1][0],
+        m01 = m[0][1],  m11 = m[1][1],
+        m02 = m[0][2],  m12 = m[1][2];
+  float c, s;
+
+  s = sinf(angle);
+  c = cosf(angle);
+  
+  dest[0][0] = m00 * c + m10 * s;
+  dest[0][1] = m01 * c + m11 * s;
+  dest[0][2] = m02 * c + m12 * s;
+
+  dest[1][0] = m00 * -s + m10 * c;
+  dest[1][1] = m01 * -s + m11 * c;
+  dest[1][2] = m02 * -s + m12 * c;
+  
+  dest[2][0] = m[2][0];
+  dest[2][1] = m[2][1];
+  dest[2][2] = m[2][2];
+}
+
+#endif /* cglm_affine2d_h */

include/cglm/box.h

@@ -228,6 +228,8 @@ glm_aabb_aabb(vec3 box[2], vec3 other[2]) {
  * https://github.com/erich666/GraphicsGems/blob/master/gems/BoxSphere.c
  * Solid Box - Solid Sphere test.
  *
+ * Sphere Representation in cglm: [center.x, center.y, center.z, radii]
+ *
  * @param[in]   box    solid bounding box
  * @param[in]   s      solid sphere
  */
@@ -237,13 +239,13 @@ glm_aabb_sphere(vec3 box[2], vec4 s) {
   float dmin;
   int   a, b, c;
 
-  a = s[0] >= box[0][0];
+  a = (s[0] < box[0][0]) + (s[0] > box[1][0]);
-  b = s[1] >= box[0][1];
+  b = (s[1] < box[0][1]) + (s[1] > box[1][1]);
-  c = s[2] >= box[0][2];
+  c = (s[2] < box[0][2]) + (s[2] > box[1][2]);
 
-  dmin  = glm_pow2(s[0] - box[a][0])
+  dmin  = glm_pow2((s[0] - box[!(a - 1)][0]) * (a != 0))
-        + glm_pow2(s[1] - box[b][1])
+        + glm_pow2((s[1] - box[!(b - 1)][1]) * (b != 0))
-        + glm_pow2(s[2] - box[c][2]);
+        + glm_pow2((s[2] - box[!(c - 1)][2]) * (c != 0));
 
   return dmin <= glm_pow2(s[3]);
 }

include/cglm/call.h

@@ -12,10 +12,12 @@ extern "C" {
 #endif
 
 #include "cglm.h"
+#include "call/vec2.h"
 #include "call/vec3.h"
 #include "call/vec4.h"
-#include "call/mat4.h"
+#include "call/mat2.h"
 #include "call/mat3.h"
+#include "call/mat4.h"
 #include "call/affine.h"
 #include "call/cam.h"
 #include "call/quat.h"
@@ -29,6 +31,8 @@ extern "C" {
 #include "call/ease.h"
 #include "call/curve.h"
 #include "call/bezier.h"
+#include "call/ray.h"
+#include "call/affine2d.h"
 
 #ifdef __cplusplus
 }

include/cglm/call/affine2d.h

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglmc_affine2d_h
+#define cglmc_affine2d_h
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../cglm.h"
+
+CGLM_EXPORT
+void
+glmc_translate2d_make(mat3 m, vec2 v);
+
+CGLM_EXPORT
+void
+glmc_translate2d_to(mat3 m, vec2 v, mat3 dest);
+
+CGLM_EXPORT
+void
+glmc_translate2d(mat3 m, vec2 v);
+
+CGLM_EXPORT
+void
+glmc_translate2d_x(mat3 m, float to);
+
+CGLM_EXPORT
+void
+glmc_translate2d_y(mat3 m, float to);
+
+CGLM_EXPORT
+void
+glmc_scale2d_to(mat3 m, vec2 v, mat3 dest);
+
+CGLM_EXPORT
+void
+glmc_scale2d_make(mat3 m, vec2 v);
+
+CGLM_EXPORT
+void
+glmc_scale2d(mat3 m, vec2 v);
+
+CGLM_EXPORT
+void
+glmc_scale2d_uni(mat3 m, float s);
+
+CGLM_EXPORT
+void
+glmc_rotate2d_make(mat3 m, float angle);
+
+CGLM_EXPORT
+void
+glmc_rotate2d(mat3 m, float angle);
+
+CGLM_EXPORT
+void
+glmc_rotate2d_to(mat3 m, float angle, mat3 dest);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* cglmc_affine2d_h */

include/cglm/call/io.h

@@ -7,6 +7,7 @@
 
 #ifndef cglmc_io_h
 #define cglmc_io_h
+
 #ifdef __cplusplus
 extern "C" {
 #endif

include/cglm/call/mat2.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglmc_mat2_h
+#define cglmc_mat2_h
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../cglm.h"
+
+CGLM_EXPORT
+void
+glmc_mat2_copy(mat2 mat, mat2 dest);
+
+CGLM_EXPORT
+void
+glmc_mat2_identity(mat2 mat);
+
+CGLM_EXPORT
+void
+glmc_mat2_identity_array(mat2 * __restrict mat, size_t count);
+
+CGLM_EXPORT
+void
+glmc_mat2_zero(mat2 mat);
+
+CGLM_EXPORT
+void
+glmc_mat2_mul(mat2 m1, mat2 m2, mat2 dest);
+
+CGLM_EXPORT
+void
+glmc_mat2_transpose_to(mat2 m, mat2 dest);
+
+CGLM_EXPORT
+void
+glmc_mat2_transpose(mat2 m);
+
+CGLM_EXPORT
+void
+glmc_mat2_mulv(mat2 m, vec2 v, vec2 dest);
+
+CGLM_EXPORT
+float
+glmc_mat2_trace(mat2 m);
+
+CGLM_EXPORT
+void
+glmc_mat2_scale(mat2 m, float s);
+
+CGLM_EXPORT
+float
+glmc_mat2_det(mat2 mat);
+
+CGLM_EXPORT
+void
+glmc_mat2_inv(mat2 mat, mat2 dest);
+
+CGLM_EXPORT
+void
+glmc_mat2_swap_col(mat2 mat, int col1, int col2);
+
+CGLM_EXPORT
+void
+glmc_mat2_swap_row(mat2 mat, int row1, int row2);
+
+CGLM_EXPORT
+float
+glmc_mat2_rmc(vec2 r, mat2 m, vec2 c);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* cglmc_mat2_h */

include/cglm/call/quat.h

@@ -131,11 +131,11 @@ glmc_quat_look(vec3 eye, versor ori, mat4 dest);
 
 CGLM_EXPORT
 void
-glmc_quat_for(vec3 dir, vec3 fwd, vec3 up, versor dest);
+glmc_quat_for(vec3 dir, vec3 up, versor dest);
 
 CGLM_EXPORT
 void
-glmc_quat_forp(vec3 from, vec3 to, vec3 fwd, vec3 up, versor dest);
+glmc_quat_forp(vec3 from, vec3 to, vec3 up, versor dest);
 
 CGLM_EXPORT
 void

include/cglm/call/ray.h

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglmc_ray_h
+#define cglmc_ray_h
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "../cglm.h"
+
+CGLM_EXPORT
+bool
+glmc_ray_triangle(vec3   origin,
+                  vec3   direction,
+                  vec3   v0,
+                  vec3   v1,
+                  vec3   v2,
+                  float *d);
+    
+#ifdef __cplusplus
+}
+#endif
+#endif /* cglmc_ray_h */

include/cglm/call/vec2.h

@@ -0,0 +1,155 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglmc_vec2_h
+#define cglmc_vec2_h
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../cglm.h"
+
+CGLM_EXPORT
+void
+glmc_vec2(float * __restrict v, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_copy(vec2 a, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_zero(vec2 v);
+
+CGLM_EXPORT
+void
+glmc_vec2_one(vec2 v);
+
+CGLM_EXPORT
+float
+glmc_vec2_dot(vec2 a, vec2 b);
+
+CGLM_EXPORT
+float
+glmc_vec2_cross(vec2 a, vec2 b);
+
+CGLM_EXPORT
+float
+glmc_vec2_norm2(vec2 v);
+
+CGLM_EXPORT
+float
+glmc_vec2_norm(vec2 v);
+
+CGLM_EXPORT
+void
+glmc_vec2_add(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_adds(vec2 v, float s, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_sub(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_subs(vec2 v, float s, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_mul(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_scale(vec2 v, float s, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_scale_as(vec2 v, float s, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_div(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_divs(vec2 v, float s, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_addadd(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_subadd(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_muladd(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_muladds(vec2 a, float s, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_maxadd(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_minadd(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_negate_to(vec2 v, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_negate(vec2 v);
+
+CGLM_EXPORT
+void
+glmc_vec2_normalize(vec2 v);
+
+CGLM_EXPORT
+void
+glmc_vec2_normalize_to(vec2 v, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_rotate(vec2 v, float angle, vec2 dest);
+
+CGLM_EXPORT
+float
+glmc_vec2_distance2(vec2 a, vec2 b);
+
+CGLM_EXPORT
+float
+glmc_vec2_distance(vec2 a, vec2 b);
+
+CGLM_EXPORT
+void
+glmc_vec2_maxv(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_minv(vec2 a, vec2 b, vec2 dest);
+
+CGLM_EXPORT
+void
+glmc_vec2_clamp(vec2 v, float minval, float maxval);
+
+CGLM_EXPORT
+void
+glmc_vec2_lerp(vec2 from, vec2 to, float t, vec2 dest);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* cglmc_vec2_h */

include/cglm/cam.h

@@ -319,10 +319,7 @@ glm_perspective_resize(float aspect, mat4 proj) {
  */
 CGLM_INLINE
 void
-glm_lookat(vec3 eye,
+glm_lookat(vec3 eye, vec3 center, vec3 up, mat4 dest) {
-           vec3 center,
-           vec3 up,
-           mat4 dest) {
   CGLM_ALIGN(8) vec3 f, u, s;
 
   glm_vec3_sub(center, eye, f);

include/cglm/cglm.h

@@ -9,10 +9,12 @@
 #define cglm_h
 
 #include "common.h"
+#include "vec2.h"
 #include "vec3.h"
 #include "vec4.h"
 #include "mat4.h"
 #include "mat3.h"
+#include "mat2.h"
 #include "affine.h"
 #include "cam.h"
 #include "frustum.h"
@@ -28,5 +30,7 @@
 #include "ease.h"
 #include "curve.h"
 #include "bezier.h"
+#include "ray.h"
+#include "affine2d.h"
 
 #endif /* cglm_h */

include/cglm/common.h

@@ -8,7 +8,13 @@
 #ifndef cglm_common_h
 #define cglm_common_h
 
-#define _USE_MATH_DEFINES /* for windows */
+#ifndef _USE_MATH_DEFINES
+#  define _USE_MATH_DEFINES       /* for windows */
+#endif
+
+#ifndef _CRT_SECURE_NO_WARNINGS
+#  define _CRT_SECURE_NO_WARNINGS /* for windows */
+#endif
 
 #include <stdint.h>
 #include <stddef.h>
@@ -17,7 +23,9 @@
 #include <stdbool.h>
 
 #if defined(_MSC_VER)
-#  ifdef CGLM_DLL
+#  ifdef CGLM_STATIC
+#    define CGLM_EXPORT
+#  elif defined(CGLM_EXPORTS)
 #    define CGLM_EXPORT __declspec(dllexport)
 #  else
 #    define CGLM_EXPORT __declspec(dllimport)
@@ -34,4 +42,12 @@
 #include "types.h"
 #include "simd/intrin.h"
 
+#ifndef CGLM_USE_DEFAULT_EPSILON
+#  ifndef GLM_FLT_EPSILON
+#    define GLM_FLT_EPSILON 1e-6
+#  endif
+#else
+#  define GLM_FLT_EPSILON FLT_EPSILON
+#endif
+
 #endif /* cglm_common_h */

include/cglm/euler.h

@@ -55,8 +55,6 @@ typedef enum glm_euler_seq {
   GLM_EULER_ZYX = 2 << 0 | 1 << 2 | 0 << 4
 } glm_euler_seq;
 
-typedef glm_euler_seq glm_euler_sq;
-
 CGLM_INLINE
 glm_euler_seq
 glm_euler_order(int ord[3]) {

include/cglm/io.h

@@ -15,39 +15,130 @@
    CGLM_INLINE void glm_versor_print(versor vec, FILE *ostream);
  */
 
+/*
+ cglm tried to enable print functions in debug mode and disable them in
+ release/production mode to eliminate printing costs.
+ 
+ if you need to force enable then define CGLM_DEFINE_PRINTS macro not DEBUG one
+ 
+ Print functions are enabled if:
+ 
+ - DEBUG or _DEBUG macro is defined (mostly defined automatically in debugging)
+ - CGLM_DEFINE_PRINTS macro is defined including release/production
+   which makes enabled printing always
+ - glmc_ calls for io are always prints
+
+ */
+
+/* DEPRECATED: CGLM_NO_PRINTS_NOOP (use CGLM_DEFINE_PRINTS) */
+
 #ifndef cglm_io_h
 #define cglm_io_h
+#if defined(DEBUG) || defined(_DEBUG) \
+   || defined(CGLM_DEFINE_PRINTS) || defined(CGLM_LIB_SRC) \
+   || defined(CGLM_NO_PRINTS_NOOP)
 
 #include "common.h"
 
 #include <stdio.h>
 #include <stdlib.h>
 
+#ifndef CGLM_PRINT_PRECISION
+#  define CGLM_PRINT_PRECISION    5
+#endif
+
+#ifndef CGLM_PRINT_MAX_TO_SHORT
+#  define CGLM_PRINT_MAX_TO_SHORT 1e5
+#endif
+
+#ifndef CGLM_PRINT_COLOR
+#  define CGLM_PRINT_COLOR        "\033[36m"
+#endif
+
+#ifndef CGLM_PRINT_COLOR_RESET
+#  define CGLM_PRINT_COLOR_RESET  "\033[0m"
+#endif
+
 CGLM_INLINE
 void
 glm_mat4_print(mat4              matrix,
                FILE * __restrict ostream) {
-  int i;
+  char buff[16];
-  int j;
+  int  i, j, cw[4], cwi;
 
 #define m 4
 #define n 4
 
-  fprintf(ostream, "Matrix (float%dx%d):\n", m, n);
+  fprintf(ostream, "Matrix (float%dx%d): " CGLM_PRINT_COLOR "\n" , m, n);
+
+  cw[0] = cw[1] = cw[2] = cw[3] = 0;
 
   for (i = 0; i < m; i++) {
-    fprintf(ostream, "\t|");
     for (j = 0; j < n; j++) {
-      fprintf(ostream, "%0.4f", matrix[j][i]);;
+      if (matrix[i][j] < CGLM_PRINT_MAX_TO_SHORT)
-
+        cwi = sprintf(buff, "% .*f", CGLM_PRINT_PRECISION, matrix[i][j]);
-      if (j != n - 1)
+      else
-        fprintf(ostream, "\t");
+        cwi = sprintf(buff, "% g", matrix[i][j]);
+      cw[i] = GLM_MAX(cw[i], cwi);
     }
-
-    fprintf(ostream, "|\n");
   }
 
-  fprintf(ostream, "\n");
+  for (i = 0; i < m; i++) {
+    fprintf(ostream, "  |");
+
+    for (j = 0; j < n; j++)
+      if (matrix[i][j] < CGLM_PRINT_MAX_TO_SHORT)
+        fprintf(ostream, " % *.*f", cw[j], CGLM_PRINT_PRECISION, matrix[j][i]);
+      else
+        fprintf(ostream, " % *g", cw[j], matrix[j][i]);
+
+    fprintf(ostream, "  |\n");
+  }
+
+  fprintf(ostream, CGLM_PRINT_COLOR_RESET "\n");
+
+#undef m
+#undef n
+}
+
+
+CGLM_INLINE
+void
+glm_mat3_print(mat3              matrix,
+               FILE * __restrict ostream) {
+  char buff[16];
+  int  i, j, cw[4], cwi;
+
+#define m 3
+#define n 3
+
+  fprintf(ostream, "Matrix (float%dx%d): " CGLM_PRINT_COLOR "\n", m, n);
+
+  cw[0] = cw[1] = cw[2] = 0;
+
+  for (i = 0; i < m; i++) {
+    for (j = 0; j < n; j++) {
+      if (matrix[i][j] < CGLM_PRINT_MAX_TO_SHORT)
+        cwi = sprintf(buff, "% .*f", CGLM_PRINT_PRECISION, matrix[i][j]);
+      else
+        cwi = sprintf(buff, "% g", matrix[i][j]);
+      cw[i] = GLM_MAX(cw[i], cwi);
+    }
+  }
+
+  for (i = 0; i < m; i++) {
+    fprintf(ostream, "  |");
+    
+    for (j = 0; j < n; j++)
+      if (matrix[i][j] < CGLM_PRINT_MAX_TO_SHORT)
+        fprintf(ostream, " % *.*f", cw[j], CGLM_PRINT_PRECISION, matrix[j][i]);
+      else
+        fprintf(ostream, " % *g", cw[j], matrix[j][i]);
+    
+    fprintf(ostream, "  |\n");
+  }
+
+  fprintf(ostream, CGLM_PRINT_COLOR_RESET "\n");
 
 #undef m
 #undef n
@@ -55,29 +146,41 @@ glm_mat4_print(mat4              matrix,
 
 CGLM_INLINE
 void
-glm_mat3_print(mat3              matrix,
+glm_mat2_print(mat2              matrix,
                FILE * __restrict ostream) {
-  int i;
+  char buff[16];
-  int j;
+  int  i, j, cw[4], cwi;
 
-#define m 3
+#define m 2
-#define n 3
+#define n 2
 
-  fprintf(ostream, "Matrix (float%dx%d):\n", m, n);
+  fprintf(ostream, "Matrix (float%dx%d): " CGLM_PRINT_COLOR "\n", m, n);
+
+  cw[0] = cw[1] = 0;
 
   for (i = 0; i < m; i++) {
-    fprintf(ostream, "\t|");
     for (j = 0; j < n; j++) {
-      fprintf(ostream, "%0.4f", matrix[j][i]);;
+      if (matrix[i][j] < CGLM_PRINT_MAX_TO_SHORT)
-
+        cwi = sprintf(buff, "% .*f", CGLM_PRINT_PRECISION, matrix[i][j]);
-      if (j != n - 1)
+      else
-        fprintf(ostream, "\t");
+        cwi = sprintf(buff, "% g", matrix[i][j]);
+      cw[i] = GLM_MAX(cw[i], cwi);
     }
-
-    fprintf(ostream, "|\n");
   }
 
-  fprintf(ostream, "\n");
+  for (i = 0; i < m; i++) {
+    fprintf(ostream, "  |");
+    
+    for (j = 0; j < n; j++)
+      if (matrix[i][j] < CGLM_PRINT_MAX_TO_SHORT)
+        fprintf(ostream, " % *.*f", cw[j], CGLM_PRINT_PRECISION, matrix[j][i]);
+      else
+        fprintf(ostream, " % *g", cw[j], matrix[j][i]);
+    
+    fprintf(ostream, "  |\n");
+  }
+
+  fprintf(ostream, CGLM_PRINT_COLOR_RESET "\n");
 
 #undef m
 #undef n
@@ -91,16 +194,16 @@ glm_vec4_print(vec4              vec,
 
 #define m 4
 
-  fprintf(ostream, "Vector (float%d):\n\t|", m);
+  fprintf(ostream, "Vector (float%d): " CGLM_PRINT_COLOR "\n  (", m);
 
   for (i = 0; i < m; i++) {
-    fprintf(ostream, "%0.4f", vec[i]);
+    if (vec[i] < CGLM_PRINT_MAX_TO_SHORT)
-
+      fprintf(ostream, " % .*f", CGLM_PRINT_PRECISION, vec[i]);
-    if (i != m - 1)
+    else
-      fprintf(ostream, "\t");
+      fprintf(ostream, " % g", vec[i]);
   }
 
-  fprintf(ostream, "|\n\n");
+  fprintf(ostream, "  )" CGLM_PRINT_COLOR_RESET "\n\n");
 
 #undef m
 }
@@ -113,16 +216,16 @@ glm_vec3_print(vec3              vec,
 
 #define m 3
 
-  fprintf(ostream, "Vector (float%d):\n\t|", m);
+  fprintf(ostream, "Vector (float%d): " CGLM_PRINT_COLOR "\n  (", m);
 
   for (i = 0; i < m; i++) {
-    fprintf(ostream, "%0.4f", vec[i]);
+    if (vec[i] < CGLM_PRINT_MAX_TO_SHORT)
-
+      fprintf(ostream, " % .*f", CGLM_PRINT_PRECISION, vec[i]);
-    if (i != m - 1)
+    else
-      fprintf(ostream, "\t");
+      fprintf(ostream, " % g", vec[i]);
   }
 
-  fprintf(ostream, "|\n\n");
+  fprintf(ostream, "  )" CGLM_PRINT_COLOR_RESET "\n\n");
 
 #undef m
 }
@@ -135,17 +238,35 @@ glm_ivec3_print(ivec3             vec,
 
 #define m 3
 
-  fprintf(ostream, "Vector (int%d):\n\t|", m);
+  fprintf(ostream, "Vector (int%d): " CGLM_PRINT_COLOR "\n  (", m);
+
+  for (i = 0; i < m; i++)
+    fprintf(ostream, " % d", vec[i]);
+
+  fprintf(ostream, "  )" CGLM_PRINT_COLOR_RESET "\n\n");
+  
+#undef m
+}
+
+CGLM_INLINE
+void
+glm_vec2_print(vec2              vec,
+               FILE * __restrict ostream) {
+  int i;
+
+#define m 2
+
+  fprintf(ostream, "Vector (float%d): " CGLM_PRINT_COLOR "\n  (", m);
 
   for (i = 0; i < m; i++) {
-    fprintf(ostream, "%d", vec[i]);
+    if (vec[i] < CGLM_PRINT_MAX_TO_SHORT)
-
+      fprintf(ostream, " % .*f", CGLM_PRINT_PRECISION, vec[i]);
-    if (i != m - 1)
+    else
-      fprintf(ostream, "\t");
+      fprintf(ostream, " % g", vec[i]);
   }
 
-  fprintf(ostream, "|\n\n");
+  fprintf(ostream, "  )" CGLM_PRINT_COLOR_RESET "\n\n");
-  
+
 #undef m
 }
 
@@ -157,16 +278,17 @@ glm_versor_print(versor            vec,
 
 #define m 4
 
-  fprintf(ostream, "Versor (float%d):\n\t|", m);
+  fprintf(ostream, "Quaternion (float%d): " CGLM_PRINT_COLOR "\n  (", m);
 
   for (i = 0; i < m; i++) {
-    fprintf(ostream, "%0.4f", vec[i]);
+    if (vec[i] < CGLM_PRINT_MAX_TO_SHORT)
-
+      fprintf(ostream, " % .*f", CGLM_PRINT_PRECISION, vec[i]);
-    if (i != m - 1)
+    else
-      fprintf(ostream, "\t");
+      fprintf(ostream, " % g", vec[i]);
   }
 
-  fprintf(ostream, "|\n\n");
+
+  fprintf(ostream, "  )" CGLM_PRINT_COLOR_RESET "\n\n");
 
 #undef m
 }
@@ -180,24 +302,43 @@ glm_aabb_print(vec3                    bbox[2],
 
 #define m 3
 
-  fprintf(ostream, "AABB (%s):\n", tag ? tag: "float");
+  fprintf(ostream, "AABB (%s): " CGLM_PRINT_COLOR "\n", tag ? tag: "float");
 
   for (i = 0; i < 2; i++) {
-    fprintf(ostream, "\t|");
+    fprintf(ostream, "  (");
-
+    
     for (j = 0; j < m; j++) {
-      fprintf(ostream, "%0.4f", bbox[i][j]);
+      if (bbox[i][j] < CGLM_PRINT_MAX_TO_SHORT)
-
+        fprintf(ostream, " % .*f", CGLM_PRINT_PRECISION, bbox[i][j]);
-      if (j != m - 1)
+      else
-        fprintf(ostream, "\t");
+        fprintf(ostream, " % g", bbox[i][j]);
     }
 
-    fprintf(ostream, "|\n");
+    fprintf(ostream, "  )\n");
   }
 
-  fprintf(ostream, "\n");
+  fprintf(ostream, CGLM_PRINT_COLOR_RESET "\n");
 
 #undef m
 }
 
+#else
+
+#include "common.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+/* NOOP: Remove print from DEBUG */
+#define glm_mat4_print(v, s) (void)v; (void)s;
+#define glm_mat3_print(v, s) (void)v; (void)s;
+#define glm_mat2_print(v, s) (void)v; (void)s;
+#define glm_vec4_print(v, s) (void)v; (void)s;
+#define glm_vec3_print(v, s) (void)v; (void)s;
+#define glm_ivec3_print(v, s) (void)v; (void)s;
+#define glm_vec2_print(v, s) (void)v; (void)s;
+#define glm_versor_print(v, s) (void)v; (void)s;
+#define glm_aabb_print(v, t, s) (void)v; (void)t; (void)s;
+
+#endif
 #endif /* cglm_io_h */

include/cglm/mat2.h

@@ -0,0 +1,331 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Macros:
+   GLM_MAT2_IDENTITY_INIT
+   GLM_MAT2_ZERO_INIT
+   GLM_MAT2_IDENTITY
+   GLM_MAT2_ZERO
+
+ Functions:
+   CGLM_INLINE void  glm_mat2_copy(mat2 mat, mat2 dest)
+   CGLM_INLINE void  glm_mat2_identity(mat2 mat)
+   CGLM_INLINE void  glm_mat2_identity_array(mat2 * restrict mat, size_t count)
+   CGLM_INLINE void  glm_mat2_zero(mat2 mat)
+   CGLM_INLINE void  glm_mat2_mul(mat2 m1, mat2 m2, mat2 dest)
+   CGLM_INLINE void  glm_mat2_transpose_to(mat2 m, mat2 dest)
+   CGLM_INLINE void  glm_mat2_transpose(mat2 m)
+   CGLM_INLINE void  glm_mat2_mulv(mat2 m, vec2 v, vec2 dest)
+   CGLM_INLINE float glm_mat2_trace(mat2 m)
+   CGLM_INLINE void  glm_mat2_scale(mat2 m, float s)
+   CGLM_INLINE float glm_mat2_det(mat2 mat)
+   CGLM_INLINE void  glm_mat2_inv(mat2 mat, mat2 dest)
+   CGLM_INLINE void  glm_mat2_swap_col(mat2 mat, int col1, int col2)
+   CGLM_INLINE void  glm_mat2_swap_row(mat2 mat, int row1, int row2)
+   CGLM_INLINE float glm_mat2_rmc(vec2 r, mat2 m, vec2 c)
+ */
+
+#ifndef cglm_mat2_h
+#define cglm_mat2_h
+
+#include "common.h"
+#include "vec2.h"
+
+#ifdef CGLM_SSE_FP
+#  include "simd/sse2/mat2.h"
+#endif
+
+#define GLM_MAT2_IDENTITY_INIT  {{1.0f, 0.0f}, {0.0f, 1.0f}}
+#define GLM_MAT2_ZERO_INIT      {{0.0f, 0.0f}, {0.0f, 0.0f}}
+
+/* for C only */
+#define GLM_MAT2_IDENTITY ((mat2)GLM_MAT2_IDENTITY_INIT)
+#define GLM_MAT2_ZERO     ((mat2)GLM_MAT2_ZERO_INIT)
+
+/*!
+ * @brief copy all members of [mat] to [dest]
+ *
+ * @param[in]  mat  source
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_mat2_copy(mat2 mat, mat2 dest) {
+  glm_vec4_ucopy(mat[0], dest[0]);
+}
+
+/*!
+ * @brief make given matrix identity. It is identical with below,
+ *        but it is more easy to do that with this func especially for members
+ *        e.g. glm_mat2_identity(aStruct->aMatrix);
+ *
+ * @code
+ * glm_mat2_copy(GLM_MAT2_IDENTITY, mat); // C only
+ *
+ * // or
+ * mat2 mat = GLM_MAT2_IDENTITY_INIT;
+ * @endcode
+ *
+ * @param[in, out]  mat  destination
+ */
+CGLM_INLINE
+void
+glm_mat2_identity(mat2 mat) {
+  CGLM_ALIGN_MAT mat2 t = GLM_MAT2_IDENTITY_INIT;
+  glm_mat2_copy(t, mat);
+}
+
+/*!
+ * @brief make given matrix array's each element identity matrix
+ *
+ * @param[in, out]  mat   matrix array (must be aligned (16)
+ *                        if alignment is not disabled)
+ *
+ * @param[in]       count count of matrices
+ */
+CGLM_INLINE
+void
+glm_mat2_identity_array(mat2 * __restrict mat, size_t count) {
+  CGLM_ALIGN_MAT mat2 t = GLM_MAT2_IDENTITY_INIT;
+  size_t i;
+
+  for (i = 0; i < count; i++) {
+    glm_mat2_copy(t, mat[i]);
+  }
+}
+
+/*!
+ * @brief make given matrix zero.
+ *
+ * @param[in, out]  mat  matrix
+ */
+CGLM_INLINE
+void
+glm_mat2_zero(mat2 mat) {
+  CGLM_ALIGN_MAT mat2 t = GLM_MAT2_ZERO_INIT;
+  glm_mat2_copy(t, mat);
+}
+
+/*!
+ * @brief multiply m1 and m2 to dest
+ *
+ * m1, m2 and dest matrices can be same matrix, it is possible to write this:
+ *
+ * @code
+ * mat2 m = GLM_MAT2_IDENTITY_INIT;
+ * glm_mat2_mul(m, m, m);
+ * @endcode
+ *
+ * @param[in]  m1   left matrix
+ * @param[in]  m2   right matrix
+ * @param[out] dest destination matrix
+ */
+CGLM_INLINE
+void
+glm_mat2_mul(mat2 m1, mat2 m2, mat2 dest) {
+#if defined( __SSE__ ) || defined( __SSE2__ )
+  glm_mat2_mul_sse2(m1, m2, dest);
+#else
+  float a00 = m1[0][0], a01 = m1[0][1],
+        a10 = m1[1][0], a11 = m1[1][1],
+        b00 = m2[0][0], b01 = m2[0][1],
+        b10 = m2[1][0], b11 = m2[1][1];
+
+  dest[0][0] = a00 * b00 + a10 * b01;
+  dest[0][1] = a01 * b00 + a11 * b01;
+  dest[1][0] = a00 * b10 + a10 * b11;
+  dest[1][1] = a01 * b10 + a11 * b11;
+#endif
+}
+
+/*!
+ * @brief transpose mat2 and store in dest
+ *
+ * source matrix will not be transposed unless dest is m
+ *
+ * @param[in]  m     matrix
+ * @param[out] dest  result
+ */
+CGLM_INLINE
+void
+glm_mat2_transpose_to(mat2 m, mat2 dest) {
+#if defined( __SSE__ ) || defined( __SSE2__ )
+  glm_mat2_transp_sse2(m, dest);
+#else
+  dest[0][0] = m[0][0];
+  dest[0][1] = m[1][0];
+  dest[1][0] = m[0][1];
+  dest[1][1] = m[1][1];
+#endif
+}
+
+/*!
+ * @brief tranpose mat2 and store result in same matrix
+ *
+ * @param[in, out] m source and dest
+ */
+CGLM_INLINE
+void
+glm_mat2_transpose(mat2 m) {
+  float tmp;
+  tmp     = m[0][1];
+  m[0][1] = m[1][0];
+  m[1][0] = tmp;
+}
+
+/*!
+ * @brief multiply mat2 with vec2 (column vector) and store in dest vector
+ *
+ * @param[in]  m    mat2 (left)
+ * @param[in]  v    vec2 (right, column vector)
+ * @param[out] dest vec2 (result, column vector)
+ */
+CGLM_INLINE
+void
+glm_mat2_mulv(mat2 m, vec2 v, vec2 dest) {
+  dest[0] = m[0][0] * v[0] + m[1][0] * v[1];
+  dest[1] = m[0][1] * v[0] + m[1][1] * v[1];
+}
+
+/*!
+ * @brief trace of matrix
+ *
+ * sum of the elements on the main diagonal from upper left to the lower right
+ *
+ * @param[in]  m matrix
+ */
+CGLM_INLINE
+float
+glm_mat2_trace(mat2 m) {
+  return m[0][0] + m[1][1];
+}
+
+/*!
+ * @brief scale (multiply with scalar) matrix
+ *
+ * multiply matrix with scalar
+ *
+ * @param[in, out] m matrix
+ * @param[in]      s scalar
+ */
+CGLM_INLINE
+void
+glm_mat2_scale(mat2 m, float s) {
+#if defined( __SSE__ ) || defined( __SSE2__ )
+  glmm_store(m[0], _mm_mul_ps(_mm_loadu_ps(m[0]), _mm_set1_ps(s)));
+#elif defined(CGLM_NEON_FP)
+  vst1q_f32(m[0], vmulq_f32(vld1q_f32(m[0]), vdupq_n_f32(s)));
+#else
+  m[0][0] = m[0][0] * s;
+  m[0][1] = m[0][1] * s;
+  m[1][0] = m[1][0] * s;
+  m[1][1] = m[1][1] * s;
+#endif
+}
+
+/*!
+ * @brief mat2 determinant
+ *
+ * @param[in] mat matrix
+ *
+ * @return determinant
+ */
+CGLM_INLINE
+float
+glm_mat2_det(mat2 mat) {
+  return mat[0][0] * mat[1][1] - mat[1][0] * mat[0][1];
+}
+
+/*!
+ * @brief inverse mat2 and store in dest
+ *
+ * @param[in]  mat  matrix
+ * @param[out] dest inverse matrix
+ */
+CGLM_INLINE
+void
+glm_mat2_inv(mat2 mat, mat2 dest) {
+  float det;
+  float a = mat[0][0], b = mat[0][1],
+        c = mat[1][0], d = mat[1][1];
+
+  det = 1.0f / (a * d - b * c);
+
+  dest[0][0] =  d * det;
+  dest[0][1] = -b * det;
+  dest[1][0] = -c * det;
+  dest[1][1] =  a * det;
+}
+
+/*!
+ * @brief swap two matrix columns
+ *
+ * @param[in,out] mat  matrix
+ * @param[in]     col1 col1
+ * @param[in]     col2 col2
+ */
+CGLM_INLINE
+void
+glm_mat2_swap_col(mat2 mat, int col1, int col2) {
+  float a, b;
+
+  a = mat[col1][0];
+  b = mat[col1][1];
+
+  mat[col1][0] = mat[col2][0];
+  mat[col1][1] = mat[col2][1];
+
+  mat[col2][0] = a;
+  mat[col2][1] = b;
+}
+
+/*!
+ * @brief swap two matrix rows
+ *
+ * @param[in,out] mat  matrix
+ * @param[in]     row1 row1
+ * @param[in]     row2 row2
+ */
+CGLM_INLINE
+void
+glm_mat2_swap_row(mat2 mat, int row1, int row2) {
+  float a, b;
+
+  a = mat[0][row1];
+  b = mat[1][row1];
+
+  mat[0][row1] = mat[0][row2];
+  mat[1][row1] = mat[1][row2];
+
+  mat[0][row2] = a;
+  mat[1][row2] = b;
+}
+
+/*!
+ * @brief helper for  R (row vector) * M (matrix) * C (column vector)
+ *
+ * rmc stands for Row * Matrix * Column
+ *
+ * the result is scalar because R * M = Matrix1x2 (row vector),
+ * then Matrix1x2 * Vec2 (column vector) = Matrix1x1 (Scalar)
+ *
+ * @param[in]  r   row vector or matrix1x2
+ * @param[in]  m   matrix2x2
+ * @param[in]  c   column vector or matrix2x1
+ *
+ * @return scalar value e.g. Matrix1x1
+ */
+CGLM_INLINE
+float
+glm_mat2_rmc(vec2 r, mat2 m, vec2 c) {
+  vec2 tmp;
+  glm_mat2_mulv(m, c, tmp);
+  return glm_vec2_dot(r, tmp);
+}
+
+#endif /* cglm_mat2_h */

include/cglm/mat3.h

@@ -228,9 +228,11 @@ glm_mat3_transpose(mat3 m) {
 CGLM_INLINE
 void
 glm_mat3_mulv(mat3 m, vec3 v, vec3 dest) {
-  dest[0] = m[0][0] * v[0] + m[1][0] * v[1] + m[2][0] * v[2];
+  vec3 res;
-  dest[1] = m[0][1] * v[0] + m[1][1] * v[1] + m[2][1] * v[2];
+  res[0] = m[0][0] * v[0] + m[1][0] * v[1] + m[2][0] * v[2];
-  dest[2] = m[0][2] * v[0] + m[1][2] * v[1] + m[2][2] * v[2];
+  res[1] = m[0][1] * v[0] + m[1][1] * v[1] + m[2][1] * v[2];
+  res[2] = m[0][2] * v[0] + m[1][2] * v[1] + m[2][2] * v[2];
+  glm_vec3_copy(res, dest);
 }
 
 /*!

include/cglm/mat4.h

@@ -358,6 +358,8 @@ void
 glm_mat4_mulv(mat4 m, vec4 v, vec4 dest) {
 #if defined( __SSE__ ) || defined( __SSE2__ )
   glm_mat4_mulv_sse2(m, v, dest);
+#elif defined(CGLM_NEON_FP)
+  glm_mat4_mulv_neon(m, v, dest);
 #else
   vec4 res;
   res[0] = m[0][0] * v[0] + m[1][0] * v[1] + m[2][0] * v[2] + m[3][0] * v[3];
@@ -476,6 +478,8 @@ void
 glm_mat4_transpose_to(mat4 m, mat4 dest) {
 #if defined( __SSE__ ) || defined( __SSE2__ )
   glm_mat4_transp_sse2(m, dest);
+#elif defined(CGLM_NEON_FP)
+  glm_mat4_transp_neon(m, dest);
 #else
   dest[0][0] = m[0][0]; dest[1][0] = m[0][1];
   dest[0][1] = m[1][0]; dest[1][1] = m[1][1];
@@ -498,6 +502,8 @@ void
 glm_mat4_transpose(mat4 m) {
 #if defined( __SSE__ ) || defined( __SSE2__ )
   glm_mat4_transp_sse2(m, m);
+#elif defined(CGLM_NEON_FP)
+  glm_mat4_transp_neon(m, m);
 #else
   mat4 d;
   glm_mat4_transpose_to(m, d);
@@ -536,12 +542,7 @@ glm_mat4_scale(mat4 m, float s) {
 #if defined( __SSE__ ) || defined( __SSE2__ )
   glm_mat4_scale_sse2(m, s);
 #elif defined(CGLM_NEON_FP)
-  float32x4_t v0;
+  glm_mat4_scale_neon(m, s);
-  v0 = vdupq_n_f32(s);
-  vst1q_f32(m[0], vmulq_f32(vld1q_f32(m[0]), v0));
-  vst1q_f32(m[1], vmulq_f32(vld1q_f32(m[1]), v0));
-  vst1q_f32(m[2], vmulq_f32(vld1q_f32(m[2]), v0));
-  vst1q_f32(m[3], vmulq_f32(vld1q_f32(m[3]), v0));
 #else
   glm_mat4_scale_p(m, s);
 #endif

include/cglm/plane.h

@@ -30,7 +30,14 @@
 CGLM_INLINE
 void
 glm_plane_normalize(vec4 plane) {
-  glm_vec4_scale(plane, 1.0f / glm_vec3_norm(plane), plane);
+  float norm;
+  
+  if ((norm = glm_vec3_norm(plane)) == 0.0f) {
+    glm_vec4_zero(plane);
+    return;
+  }
+  
+  glm_vec4_scale(plane, 1.0f / norm, plane);
 }
 
 #endif /* cglm_plane_h */

include/cglm/quat.h

@@ -63,10 +63,6 @@
 #  include "simd/sse2/quat.h"
 #endif
 
-CGLM_INLINE
-void
-glm_mat4_identity(mat4 mat);
-
 CGLM_INLINE
 void
 glm_mat4_mulv(mat4 m, vec4 v, vec4 dest);
@@ -693,32 +689,23 @@ glm_quat_look(vec3 eye, versor ori, mat4 dest) {
  * @brief creates look rotation quaternion
  *
  * @param[in]   dir   direction to look
- * @param[in]   fwd   forward vector
  * @param[in]   up    up vector
  * @param[out]  dest  destination quaternion
  */
 CGLM_INLINE
 void
-glm_quat_for(vec3 dir, vec3 fwd, vec3 up, versor dest) {
+glm_quat_for(vec3 dir, vec3 up, versor dest) {
-  CGLM_ALIGN(8) vec3 axis;
+  CGLM_ALIGN_MAT mat3 m;
-  float dot, angle;
 
-  dot = glm_vec3_dot(dir, fwd);
+  glm_vec3_normalize_to(dir, m[2]); 
-  if (fabsf(dot + 1.0f)  < 0.000001f) {
-    glm_quat_init(dest, up[0], up[1], up[2], GLM_PIf);
-    return;
-  }
 
-  if (fabsf(dot - 1.0f) < 0.000001f) {
+  /* No need to negate in LH, but we use RH here */
-    glm_quat_identity(dest);
+  glm_vec3_negate(m[2]);
-    return;
+  
-  }
+  glm_vec3_crossn(up, m[2], m[0]);
+  glm_vec3_cross(m[2], m[0], m[1]);
 
-  angle = acosf(dot);
+  glm_mat3_quat(m, dest);
-  glm_cross(fwd, dir, axis);
-  glm_normalize(axis);
-
-  glm_quatv(dest, angle, axis);
 }
 
 /*!
@@ -727,16 +714,15 @@ glm_quat_for(vec3 dir, vec3 fwd, vec3 up, versor dest) {
  *
  * @param[in]   from  source point
  * @param[in]   to    destination point
- * @param[in]   fwd   forward vector
  * @param[in]   up    up vector
  * @param[out]  dest  destination quaternion
  */
 CGLM_INLINE
 void
-glm_quat_forp(vec3 from, vec3 to, vec3 fwd, vec3 up, versor dest) {
+glm_quat_forp(vec3 from, vec3 to, vec3 up, versor dest) {
   CGLM_ALIGN(8) vec3 dir;
   glm_vec3_sub(to, from, dir);
-  glm_quat_for(dir, fwd, up, dest);
+  glm_quat_for(dir, up, dest);
 }
 
 /*!

include/cglm/ray.h

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Functions:
+   CGLM_INLINE bool glm_line_triangle_intersect(vec3   origin,
+                                                vec3   direction,
+                                                vec3   v0,
+                                                vec3   v1,
+                                                vec3   v2,
+                                                float *d);
+*/
+
+#ifndef cglm_ray_h
+#define cglm_ray_h
+
+#include "vec3.h"
+
+/*!
+ * @brief Möller–Trumbore ray-triangle intersection algorithm
+ * 
+ * @param[in] origin         origin of ray
+ * @param[in] direction      direction of ray
+ * @param[in] v0             first vertex of triangle
+ * @param[in] v1             second vertex of triangle
+ * @param[in] v2             third vertex of triangle
+ * @param[in, out] d         distance to intersection
+ * @return whether there is intersection
+ */
+
+CGLM_INLINE
+bool
+glm_ray_triangle(vec3   origin,
+                 vec3   direction,
+                 vec3   v0,
+                 vec3   v1,
+                 vec3   v2,
+                 float *d) {
+  vec3        edge1, edge2, p, t, q;
+  float       det, inv_det, u, v, dist;
+  const float epsilon = 0.000001f;
+
+  glm_vec3_sub(v1, v0, edge1);
+  glm_vec3_sub(v2, v0, edge2);
+  glm_vec3_cross(direction, edge2, p);
+
+  det = glm_vec3_dot(edge1, p);
+  if (det > -epsilon && det < epsilon)
+    return false;
+
+  inv_det = 1.0f / det;
+  
+  glm_vec3_sub(origin, v0, t);
+
+  u = inv_det * glm_vec3_dot(t, p);
+  if (u < 0.0f || u > 1.0f)
+    return false;
+
+  glm_vec3_cross(t, edge1, q);
+
+  v = inv_det * glm_vec3_dot(direction, q);
+  if (v < 0.0f || u + v > 1.0f)
+    return false;
+
+  dist = inv_det * glm_vec3_dot(edge2, q);
+
+  if (d)
+    *d = dist;
+
+  return dist > epsilon;
+}
+
+#endif

include/cglm/simd/neon/mat4.h

@@ -12,6 +12,32 @@
 #include "../../common.h"
 #include "../intrin.h"
 
+CGLM_INLINE
+void
+glm_mat4_scale_neon(mat4 m, float s) {
+  float32x4_t v0;
+  
+  v0 = vdupq_n_f32(s);
+
+  vst1q_f32(m[0], vmulq_f32(vld1q_f32(m[0]), v0));
+  vst1q_f32(m[1], vmulq_f32(vld1q_f32(m[1]), v0));
+  vst1q_f32(m[2], vmulq_f32(vld1q_f32(m[2]), v0));
+  vst1q_f32(m[3], vmulq_f32(vld1q_f32(m[3]), v0));
+}
+
+CGLM_INLINE
+void
+glm_mat4_transp_neon(mat4 m, mat4 dest) {
+  float32x4x4_t vmat;
+  
+  vmat = vld4q_f32(m[0]);
+
+  vst1q_f32(dest[0], vmat.val[0]);
+  vst1q_f32(dest[1], vmat.val[1]);
+  vst1q_f32(dest[2], vmat.val[2]);
+  vst1q_f32(dest[3], vmat.val[3]);
+}
+
 CGLM_INLINE
 void
 glm_mat4_mul_neon(mat4 m1, mat4 m2, mat4 dest) {
@@ -53,5 +79,27 @@ glm_mat4_mul_neon(mat4 m1, mat4 m2, mat4 dest) {
   vst1q_f32(dest[3], d3);
 }
 
+CGLM_INLINE
+void
+glm_mat4_mulv_neon(mat4 m, vec4 v, vec4 dest) {
+  float32x4_t l0, l1, l2, l3;
+  float32x2_t vlo, vhi;
+  
+  l0  = vld1q_f32(m[0]);
+  l1  = vld1q_f32(m[1]);
+  l2  = vld1q_f32(m[2]);
+  l3  = vld1q_f32(m[3]);
+
+  vlo = vld1_f32(&v[0]);
+  vhi = vld1_f32(&v[2]);
+
+  l0  = vmulq_lane_f32(l0, vlo, 0);
+  l0  = vmlaq_lane_f32(l0, l1, vlo, 1);
+  l0  = vmlaq_lane_f32(l0, l2, vhi, 0);
+  l0  = vmlaq_lane_f32(l0, l3, vhi, 1);
+
+  vst1q_f32(dest, l0);
+}
+
 #endif
 #endif /* cglm_mat4_neon_h */

include/cglm/simd/sse2/mat2.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglm_mat2_sse_h
+#define cglm_mat2_sse_h
+#if defined( __SSE__ ) || defined( __SSE2__ )
+
+#include "../../common.h"
+#include "../intrin.h"
+
+CGLM_INLINE
+void
+glm_mat2_mul_sse2(mat2 m1, mat2 m2, mat2 dest) {
+  __m128 x0, x1, x2;
+
+  x1 = glmm_load(m1[0]); /* d c b a */
+  x2 = glmm_load(m2[0]); /* h g f e */
+
+  /*
+   dest[0][0] = a * e + c * f;
+   dest[0][1] = b * e + d * f;
+   dest[1][0] = a * g + c * h;
+   dest[1][1] = b * g + d * h;
+   */
+  x0 = _mm_mul_ps(_mm_movelh_ps(x1, x1), glmm_shuff1(x2, 2, 2, 0, 0));
+  x1 = _mm_mul_ps(_mm_movehl_ps(x1, x1), glmm_shuff1(x2, 3, 3, 1, 1));
+  x1 = _mm_add_ps(x0, x1);
+
+  glmm_store(dest[0], x1);
+}
+
+CGLM_INLINE
+void
+glm_mat2_transp_sse2(mat2 m, mat2 dest) {
+  /* d c b a */
+  /* d b c a */
+  glmm_store(dest[0], glmm_shuff1(glmm_load(m[0]), 3, 1, 2, 0));
+}
+
+#endif
+#endif /* cglm_mat2_sse_h */

include/cglm/simd/x86.h

@@ -175,7 +175,7 @@ glmm_load3(float v[3]) {
   __m128i xy;
   __m128  z;
 
-  xy = _mm_loadl_epi64((const __m128i *)v);
+  xy = _mm_loadl_epi64(CGLM_CASTPTR_ASSUME_ALIGNED(v, const __m128i));
   z  = _mm_load_ss(&v[2]);
 
   return _mm_movelh_ps(_mm_castsi128_ps(xy), z);
@@ -184,7 +184,7 @@ glmm_load3(float v[3]) {
 static inline
 void
 glmm_store3(float v[3], __m128 vx) {
-  _mm_storel_pi((__m64 *)&v[0], vx);
+  _mm_storel_pi(CGLM_CASTPTR_ASSUME_ALIGNED(v, __m64), vx);
   _mm_store_ss(&v[2], glmm_shuff1(vx, 2, 2, 2, 2));
 }
 

include/cglm/struct.h

@@ -13,8 +13,10 @@ extern "C" {
 
 #include "cglm.h"
 #include "types-struct.h"
+#include "struct/vec2.h"
 #include "struct/vec3.h"
 #include "struct/vec4.h"
+#include "struct/mat2.h"
 #include "struct/mat3.h"
 #include "struct/mat4.h"
 #include "struct/affine.h"
@@ -29,6 +31,7 @@ extern "C" {
 #include "struct/project.h"
 #include "struct/sphere.h"
 #include "struct/curve.h"
+#include "struct/affine2d.h"
 
 #ifdef __cplusplus
 }

include/cglm/struct/affine.h

@@ -39,10 +39,6 @@
 #include "vec4.h"
 #include "mat4.h"
 
-CGLM_INLINE
-mat4s
-glms_mat4_mul(mat4s m1, mat4s m2);
-
 /*!
  * @brief translate existing transform matrix by v vector
  *        and stores result in same matrix

include/cglm/struct/affine2d.h

@@ -0,0 +1,177 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Functions:
+   CGLM_INLINE mat3s glms_translate2d(mat3 m, vec2 v)
+   CGLM_INLINE mat3s glms_translate2d_x(mat3s m, float x)
+   CGLM_INLINE mat3s glms_translate2d_y(mat3s m, float y)
+   CGLM_INLINE mat3s glms_translate2d_make(vec2s v)
+   CGLM_INLINE mat3s glms_scale2d_make(vec2s v)
+   CGLM_INLINE mat3s glms_scale2d(mat3s m, vec2s v)
+   CGLM_INLINE mat3s glms_scale2d_uni(mat3s m, float s)
+   CGLM_INLINE mat3s glms_rotate2d_make(float angle)
+   CGLM_INLINE mat3s glms_rotate2d(mat3s m, float angle)
+   CGLM_INLINE mat3s glms_rotate2d_to(mat3s m, float angle)
+ */
+
+#ifndef cglms_affine2ds_h
+#define cglms_affine2ds_h
+
+#include "../common.h"
+#include "../types-struct.h"
+#include "../affine2d.h"
+#include "vec3.h"
+#include "mat3.h"
+
+/*!
+ * @brief translate existing 2d transform matrix by v vector
+ *        and stores result in same matrix
+ *
+ * @param[in] m  affine transfrom
+ * @param[in] v  translate vector [x, y]
+ * @returns      affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_translate2d(mat3s m, vec2s v) {
+  glm_translate2d(m.raw, v.raw);
+  return m;
+}
+
+/*!
+ * @brief translate existing 2d transform matrix by x factor
+ *
+ * @param[in] m  affine transfrom
+ * @param[in] x  x factor
+ * @returns      affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_translate2d_x(mat3s m, float x) {
+  glm_translate2d_x(m.raw, x);
+  return m;
+}
+
+/*!
+ * @brief translate existing 2d transform matrix by y factor
+ *
+ * @param[in] m  affine transfrom
+ * @param[in] y  y factor
+ * @returns      affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_translate2d_y(mat3s m, float y) {
+  glm_translate2d_y(m.raw, y);
+  return m;
+}
+
+/*!
+ * @brief creates NEW translate 2d transform matrix by v vector
+ *
+ * @param[in] v  translate vector [x, y]
+ * @returns      affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_translate2d_make(vec2s v) {
+  mat3s m;
+  glm_translate2d_make(m.raw, v.raw);
+  return m;
+}
+
+/*!
+ * @brief creates NEW 2d scale matrix by v vector
+ *
+ * @param[in]   v  scale vector [x, y]
+ * @returns affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_scale2d_make(vec2s v) {
+  mat3s m;
+  glm_scale2d_make(m.raw, v.raw);
+  return m;
+}
+
+/*!
+ * @brief scales existing 2d transform matrix by v vector
+ *        and stores result in same matrix
+ *
+ * @param[in]  m  affine transfrom
+ * @param[in]  v  scale vector [x, y, z]
+ * @returns       affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_scale2d(mat3s m, vec2s v) {
+  mat3s r;
+  glm_scale2d_to(m.raw, v.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief applies uniform scale to existing 2d transform matrix v = [s, s, s]
+ *        and stores result in same matrix
+ *
+ * @param[in] m  affine transfrom
+ * @param[in] s  scale factor
+ * @returns      affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_scale2d_uni(mat3s m, float s) {
+  glm_scale2d_uni(m.raw, s);
+  return m;
+}
+
+/*!
+ * @brief creates NEW 2d rotation matrix by angle and axis
+ *
+ * axis will be normalized so you don't need to normalize it
+ *
+ * @param[in]  angle  angle (radians)
+ * @returns           affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_rotate2d_make(float angle) {
+  mat3s m;
+  glm_rotate2d_make(m.raw, angle);
+  return m;
+}
+
+/*!
+ * @brief rotate existing 2d transform matrix around given axis by angle
+ *
+ * @param[in] m      affine transfrom
+ * @param[in] angle  angle (radians)
+ * @returns          affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_rotate2d(mat3s m, float angle) {
+  glm_rotate2d(m.raw, angle);
+  return m;
+}
+
+/*!
+ * @brief rotate existing 2d transform matrix around given axis by angle
+ *
+ * @param[in] m      affine transfrom
+ * @param[in] angle  angle (radians)
+ * @returns          affine transfrom
+ */
+CGLM_INLINE
+mat3s
+glms_rotate2d_to(mat3s m, float angle) {
+  glm_rotate2d(m.raw, angle);
+  return m;
+}
+
+#endif /* cglms_affine2ds_h */

include/cglm/struct/mat2.h

@@ -0,0 +1,258 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Macros:
+   GLM_MAT2_IDENTITY_INIT
+   GLM_MAT2_ZERO_INIT
+   GLM_MAT2_IDENTITY
+   GLM_MAT2_ZERO
+
+ Functions:
+   CGLM_INLINE void  glms_mat2_identity(mat2 mat)
+   CGLM_INLINE void  glms_mat2_identity_array(mat2 * restrict mat, size_t count)
+   CGLM_INLINE void  glms_mat2_zero(mat2 mat)
+   CGLM_INLINE void  glms_mat2_mul(mat2 m1, mat2 m2, mat2 dest)
+   CGLM_INLINE void  glms_mat2_transpose_to(mat2 m, mat2 dest)
+   CGLM_INLINE void  glms_mat2_transpose(mat2 m)
+   CGLM_INLINE void  glms_mat2_mulv(mat2 m, vec2 v, vec2 dest)
+   CGLM_INLINE float glms_mat2_trace(mat2 m)
+   CGLM_INLINE void  glms_mat2_scale(mat2 m, float s)
+   CGLM_INLINE float glms_mat2_det(mat2 mat)
+   CGLM_INLINE void  glms_mat2_inv(mat2 mat, mat2 dest)
+   CGLM_INLINE void  glms_mat2_swap_col(mat2 mat, int col1, int col2)
+   CGLM_INLINE void  glms_mat2_swap_row(mat2 mat, int row1, int row2)
+   CGLM_INLINE float glms_mat2_rmc(vec2 r, mat2 m, vec2 c)
+ */
+
+#ifndef cglms_mat2_h
+#define cglms_mat2_h
+
+#include "../common.h"
+#include "../types-struct.h"
+#include "../mat2.h"
+
+#define GLMS_MAT2_IDENTITY_INIT {GLM_MAT2_IDENTITY_INIT}
+#define GLMS_MAT2_ZERO_INIT     {GLM_MAT2_ZERO_INIT}
+
+/* for C only */
+#define GLMS_MAT2_IDENTITY ((mat3s)GLMS_MAT2_IDENTITY_INIT)
+#define GLMS_MAT2_ZERO     ((mat3s)GLMS_MAT2_ZERO_INIT)
+
+/*!
+ * @brief make given matrix identity. It is identical with below,
+ *        but it is more easy to do that with this func especially for members
+ *        e.g. glm_mat2_identity(aStruct->aMatrix);
+ *
+ * @code
+ * glm_mat2_copy(GLM_MAT2_IDENTITY, mat); // C only
+ *
+ * // or
+ * mat2 mat = GLM_MAT2_IDENTITY_INIT;
+ * @endcode
+ *
+ * @returns identity matrix
+ */
+CGLM_INLINE
+mat2s
+glms_mat2_identity(void) {
+  mat2s r;
+  glm_mat2_identity(r.raw);
+  return r;
+}
+
+/*!
+ * @brief make given matrix array's each element identity matrix
+ *
+ * @param[in, out]  mat   matrix array (must be aligned (16)
+ *                        if alignment is not disabled)
+ *
+ * @param[in]       count count of matrices
+ */
+CGLM_INLINE
+void
+glms_mat2_identity_array(mat2s * __restrict mat, size_t count) {
+  CGLM_ALIGN_MAT mat2s t = GLMS_MAT2_IDENTITY_INIT;
+  size_t i;
+
+  for (i = 0; i < count; i++) {
+    glm_mat2_copy(t.raw, mat[i].raw);
+  }
+}
+
+/*!
+ * @brief make given matrix zero.
+ *
+ * @returns  matrix
+ */
+CGLM_INLINE
+mat2s
+glms_mat2_zero(void) {
+  mat2s r;
+  glm_mat2_zero(r.raw);
+  return r;
+}
+
+/*!
+ * @brief multiply m1 and m2 to dest
+ *
+ * m1, m2 and dest matrices can be same matrix, it is possible to write this:
+ *
+ * @code
+ * mat2 m = GLM_MAT2_IDENTITY_INIT;
+ * glm_mat2_mul(m, m, m);
+ * @endcode
+ *
+ * @param[in]  m1   left matrix
+ * @param[in]  m2   right matrix
+ *
+ * @returns matrix
+ */
+CGLM_INLINE
+mat2s
+glms_mat2_mul(mat2s m1, mat2s m2) {
+  mat2s r;
+  glm_mat2_mul(m1.raw, m2.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief transpose mat2
+ *
+ * @param[in] m matrix to transpose
+ *
+ * @returns transposed matrix
+ */
+CGLM_INLINE
+mat2s
+glms_mat2_transpose(mat2s m) {
+  glm_mat2_transpose(m.raw);
+  return m;
+}
+
+/*!
+ * @brief multiply mat2 with vec2 (column vector) and store in dest vector
+ *
+ * @param[in]  m    mat2 (left)
+ * @param[in]  v    vec2 (right, column vector)
+ * @returns         vec2 (result, column vector)
+ */
+CGLM_INLINE
+vec2s
+glms_mat2_mulv(mat2s m, vec2s v) {
+  vec2s r;
+  glm_mat2_mulv(m.raw, v.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief trace of matrix
+ *
+ * sum of the elements on the main diagonal from upper left to the lower right
+ *
+ * @param[in]  m matrix
+ */
+CGLM_INLINE
+float
+glms_mat2_trace(mat2s m) {
+  return glm_mat2_trace(m.raw);
+}
+
+/*!
+ * @brief scale (multiply with scalar) matrix
+ *
+ * multiply matrix with scalar
+ *
+ * @param[in, out] m matrix
+ * @param[in]      s scalar
+ * @returns matrix
+ */
+CGLM_INLINE
+mat2s
+glms_mat2_scale(mat2s m, float s) {
+  glm_mat2_scale(m.raw, s);
+  return m;
+}
+
+/*!
+ * @brief mat2 determinant
+ *
+ * @param[in] mat matrix
+ *
+ * @return determinant
+ */
+CGLM_INLINE
+float
+glms_mat2_det(mat2s mat) {
+  return glm_mat2_det(mat.raw);
+}
+
+/*!
+ * @brief inverse mat2 and store in dest
+ *
+ * @param[in]  mat  matrix
+ * @returns matrix
+ */
+CGLM_INLINE
+mat2s
+glms_mat2_inv(mat2s mat) {
+  mat2s r;
+  glm_mat2_inv(mat.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief swap two matrix columns
+ *
+ * @param[in] mat  matrix
+ * @param[in] col1 col1
+ * @param[in] col2 col2
+ * @returns matrix
+ */
+CGLM_INLINE
+mat2s
+glms_mat2_swap_col(mat2s mat, int col1, int col2) {
+  glm_mat2_swap_col(mat.raw, col1, col2);
+  return mat;
+}
+
+/*!
+ * @brief swap two matrix rows
+ *
+ * @param[in] mat  matrix
+ * @param[in] row1 row1
+ * @param[in] row2 row2
+ * @returns matrix
+ */
+CGLM_INLINE
+mat2s
+glms_mat2_swap_row(mat2s mat, int row1, int row2) {
+  glm_mat2_swap_row(mat.raw, row1, row2);
+  return mat;
+}
+
+/*!
+ * @brief helper for  R (row vector) * M (matrix) * C (column vector)
+ *
+ * rmc stands for Row * Matrix * Column
+ *
+ * the result is scalar because R * M = Matrix1x2 (row vector),
+ * then Matrix1x2 * Vec2 (column vector) = Matrix1x1 (Scalar)
+ *
+ * @param[in]  r   row vector or matrix1x2
+ * @param[in]  m   matrix2x2
+ * @param[in]  c   column vector or matrix2x1
+ *
+ * @return scalar value e.g. Matrix1x1
+ */
+CGLM_INLINE
+float
+glms_mat2_rmc(vec2s r, mat2s m, vec2s c) {
+  return glm_mat2_rmc(r.raw, m.raw, c.raw);
+}
+
+#endif /* cglms_mat2_h */

include/cglm/struct/quat.h

@@ -437,15 +437,14 @@ glms_quat_look(vec3s eye, versors ori) {
  * @brief creates look rotation quaternion
  *
  * @param[in]   dir   direction to look
- * @param[in]   fwd   forward vector
  * @param[in]   up    up vector
  * @returns  destination quaternion
  */
 CGLM_INLINE
 versors
-glms_quat_for(vec3s dir, vec3s fwd, vec3s up) {
+glms_quat_for(vec3s dir, vec3s up) {
   versors dest;
-  glm_quat_for(dir.raw, fwd.raw, up.raw, dest.raw);
+  glm_quat_for(dir.raw, up.raw, dest.raw);
   return dest;
 }
 
@@ -455,15 +454,14 @@ glms_quat_for(vec3s dir, vec3s fwd, vec3s up) {
  *
  * @param[in]   from  source point
  * @param[in]   to    destination point
- * @param[in]   fwd   forward vector
  * @param[in]   up    up vector
  * @returns  destination quaternion
  */
 CGLM_INLINE
 versors
-glms_quat_forp(vec3s from, vec3s to, vec3s fwd, vec3s up) {
+glms_quat_forp(vec3s from, vec3s to, vec3s up) {
   versors dest;
-  glm_quat_forp(from.raw, to.raw, fwd.raw, up.raw, dest.raw);
+  glm_quat_forp(from.raw, to.raw, up.raw, dest.raw);
   return dest;
 }
 

include/cglm/struct/sphere.h

@@ -42,9 +42,9 @@ glms_sphere_radii(vec4s s) {
  */
 CGLM_INLINE
 vec4s
-glms_sphere_transform(vec4s s, mat4 m) {
+glms_sphere_transform(vec4s s, mat4s m) {
   vec4s r;
-  glm_sphere_transform(s.raw, m, r.raw);
+  glm_sphere_transform(s.raw, m.raw, r.raw);
   return r;
 }
 

include/cglm/struct/vec2-ext.h

@@ -0,0 +1,198 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*!
+ * @brief SIMD like functions
+ */
+
+/*
+ Functions:
+   CGLM_INLINE vec2s glms_vec2_fill(float val)
+   CGLM_INLINE bool  glms_vec2_eq(vec2s v, float val)
+   CGLM_INLINE bool  glms_vec2_eq_eps(vec2s v, float val)
+   CGLM_INLINE bool  glms_vec2_eq_all(vec2s v)
+   CGLM_INLINE bool  glms_vec2_eqv(vec2s a, vec2s b)
+   CGLM_INLINE bool  glms_vec2_eqv_eps(vec2s a, vec2s b)
+   CGLM_INLINE float glms_vec2_max(vec2s v)
+   CGLM_INLINE float glms_vec2_min(vec2s v)
+   CGLM_INLINE bool  glms_vec2_isnan(vec2s v)
+   CGLM_INLINE bool  glms_vec2_isinf(vec2s v)
+   CGLM_INLINE bool  glms_vec2_isvalid(vec2s v)
+   CGLM_INLINE vec2s glms_vec2_sign(vec2s v)
+   CGLM_INLINE vec2s glms_vec2_sqrt(vec2s v)
+ */
+
+#ifndef cglms_vec2s_ext_h
+#define cglms_vec2s_ext_h
+
+#include "../common.h"
+#include "../types-struct.h"
+#include "../util.h"
+#include "../vec2-ext.h"
+
+/*!
+ * @brief fill a vector with specified value
+ *
+ * @param[in]  val  value
+ * @returns         dest
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_fill(float val) {
+  vec2s r;
+  glm_vec2_fill(r.raw, val);
+  return r;
+}
+
+/*!
+ * @brief check if vector is equal to value (without epsilon)
+ *
+ * @param[in] v   vector
+ * @param[in] val value
+ */
+CGLM_INLINE
+bool
+glms_vec2_eq(vec2s v, float val) {
+  return glm_vec2_eq(v.raw, val);
+}
+
+/*!
+ * @brief check if vector is equal to value (with epsilon)
+ *
+ * @param[in] v   vector
+ * @param[in] val value
+ */
+CGLM_INLINE
+bool
+glms_vec2_eq_eps(vec2s v, float val) {
+  return glm_vec2_eq_eps(v.raw, val);
+}
+
+/*!
+ * @brief check if vectors members are equal (without epsilon)
+ *
+ * @param[in] v   vector
+ */
+CGLM_INLINE
+bool
+glms_vec2_eq_all(vec2s v) {
+  return glm_vec2_eq_all(v.raw);
+}
+
+/*!
+ * @brief check if vector is equal to another (without epsilon)
+ *
+ * @param[in] a vector
+ * @param[in] b vector
+ */
+CGLM_INLINE
+bool
+glms_vec2_eqv(vec2s a, vec2s b) {
+  return glm_vec2_eqv(a.raw, b.raw);
+}
+
+/*!
+ * @brief check if vector is equal to another (with epsilon)
+ *
+ * @param[in] a vector
+ * @param[in] b vector
+ */
+CGLM_INLINE
+bool
+glms_vec2_eqv_eps(vec2s a, vec2s b) {
+  return glm_vec2_eqv_eps(a.raw, b.raw);
+}
+
+/*!
+ * @brief max value of vector
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+float
+glms_vec2_max(vec2s v) {
+  return glm_vec2_max(v.raw);
+}
+
+/*!
+ * @brief min value of vector
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+float
+glms_vec2_min(vec2s v) {
+  return glm_vec2_min(v.raw);
+}
+
+/*!
+ * @brief check if all items are NaN (not a number)
+ *        you should only use this in DEBUG mode or very critical asserts
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+bool
+glms_vec2_isnan(vec2s v) {
+  return glm_vec2_isnan(v.raw);
+}
+
+/*!
+ * @brief check if all items are INFINITY
+ *        you should only use this in DEBUG mode or very critical asserts
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+bool
+glms_vec2_isinf(vec2s v) {
+  return glm_vec2_isinf(v.raw);
+}
+
+/*!
+ * @brief check if all items are valid number
+ *        you should only use this in DEBUG mode or very critical asserts
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+bool
+glms_vec2_isvalid(vec2s v) {
+  return glm_vec2_isvalid(v.raw);
+}
+
+/*!
+ * @brief get sign of 32 bit float as +1, -1, 0
+ *
+ * Important: It returns 0 for zero/NaN input
+ *
+ * @param   v   vector
+ * @returns     sign vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_sign(vec2s v) {
+  vec2s r;
+  glm_vec2_sign(v.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief square root of each vector item
+ *
+ * @param[in]  v    vector
+ * @returns         destination vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_sqrt(vec2s v) {
+  vec2s r;
+  glm_vec2_sqrt(v.raw, r.raw);
+  return r;
+}
+
+#endif /* cglms_vec2s_ext_h */

include/cglm/struct/vec2.h

@@ -0,0 +1,561 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Macros:
+   GLMS_VEC2_ONE_INIT
+   GLMS_VEC2_ZERO_INIT
+   GLMS_VEC2_ONE
+   GLMS_VEC2_ZERO
+
+ Functions:
+   CGLM_INLINE vec2s glms_vec2(vec3s v3)
+   CGLM_INLINE void  glms_vec2_pack(vec2s dst[], vec2 src[], size_t len)
+   CGLM_INLINE void  glms_vec2_unpack(vec2 dst[], vec2s src[], size_t len)
+   CGLM_INLINE vec2s glms_vec2_zero(void)
+   CGLM_INLINE vec2s glms_vec2_one(void)
+   CGLM_INLINE float glms_vec2_dot(vec2s a, vec2s b)
+   CGLM_INLINE float glms_vec2_cross(vec2s a, vec2s b)
+   CGLM_INLINE float glms_vec2_norm2(vec2s v)
+   CGLM_INLINE float glms_vec2_norm(vec2s v)
+   CGLM_INLINE vec2s glms_vec2_add(vec2s a, vec2s b)
+   CGLM_INLINE vec2s glms_vec2_adds(vec2s a, float s)
+   CGLM_INLINE vec2s glms_vec2_sub(vec2s a, vec2s b)
+   CGLM_INLINE vec2s glms_vec2_subs(vec2s a, float s)
+   CGLM_INLINE vec2s glms_vec2_mul(vec2s a, vec2s b)
+   CGLM_INLINE vec2s glms_vec2_scale(vec2s v, float s)
+   CGLM_INLINE vec2s glms_vec2_scale_as(vec2s v, float s)
+   CGLM_INLINE vec2s glms_vec2_div(vec2s a, vec2s b)
+   CGLM_INLINE vec2s glms_vec2_divs(vec2s a, float s)
+   CGLM_INLINE vec2s glms_vec2_addadd(vec2s a, vec2s b, vec2s dest)
+   CGLM_INLINE vec2s glms_vec2_subadd(vec2s a, vec2s b, vec2s dest)
+   CGLM_INLINE vec2s glms_vec2_muladd(vec2s a, vec2s b, vec2s dest)
+   CGLM_INLINE vec2s glms_vec2_muladds(vec2s a, float s, vec2s dest)
+   CGLM_INLINE vec2s glms_vec2_maxadd(vec2s a, vec2s b, vec2s dest)
+   CGLM_INLINE vec2s glms_vec2_minadd(vec2s a, vec2s b, vec2s dest)
+   CGLM_INLINE vec2s glms_vec2_negate(vec2s v)
+   CGLM_INLINE vec2s glms_vec2_normalize(vec2s v)
+   CGLM_INLINE vec2s glms_vec2_rotate(vec2s v, float angle, vec2s axis)
+   CGLM_INLINE float glms_vec2_distance(vec2s a, vec2s b)
+   CGLM_INLINE float glms_vec2_distance2(vec2s a, vec2s b)
+   CGLM_INLINE vec2s glms_vec2_maxv(vec2s a, vec2s b)
+   CGLM_INLINE vec2s glms_vec2_minv(vec2s a, vec2s b)
+   CGLM_INLINE vec2s glms_vec2_clamp(vec2s v, float minVal, float maxVal)
+   CGLM_INLINE vec2s glms_vec2_lerp(vec2s from, vec2s to, float t)
+ */
+
+#ifndef cglms_vec2s_h
+#define cglms_vec2s_h
+
+#include "../common.h"
+#include "../types-struct.h"
+#include "../util.h"
+#include "../vec2.h"
+#include "vec2-ext.h"
+
+#define GLMS_VEC2_ONE_INIT   {GLM_VEC2_ONE_INIT}
+#define GLMS_VEC2_ZERO_INIT  {GLM_VEC2_ZERO_INIT}
+
+#define GLMS_VEC2_ONE  ((vec2s)GLMS_VEC2_ONE_INIT)
+#define GLMS_VEC2_ZERO ((vec2s)GLMS_VEC2_ZERO_INIT)
+
+/*!
+ * @brief init vec2 using vec2
+ *
+ * @param[in]  v3   vector3
+ * @returns         destination
+ */
+CGLM_INLINE
+vec2s
+glms_vec2(vec3s v3) {
+  vec2s r;
+  glm_vec2(v3.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief pack an array of vec2 into an array of vec2s
+ *
+ * @param[out] dst array of vec2
+ * @param[in]  src array of vec2s
+ * @param[in]  len number of elements
+ */
+CGLM_INLINE
+void
+glms_vec2_pack(vec2s dst[], vec2 src[], size_t len) {
+  size_t i;
+
+  for (i = 0; i < len; i++) {
+    glm_vec2_copy(src[i], dst[i].raw);
+  }
+}
+
+/*!
+ * @brief unpack an array of vec2s into an array of vec2
+ *
+ * @param[out] dst array of vec2s
+ * @param[in]  src array of vec2
+ * @param[in]  len number of elements
+ */
+CGLM_INLINE
+void
+glms_vec2_unpack(vec2 dst[], vec2s src[], size_t len) {
+  size_t i;
+
+  for (i = 0; i < len; i++) {
+    glm_vec2_copy(src[i].raw, dst[i]);
+  }
+}
+
+/*!
+ * @brief make vector zero
+ *
+ * @returns zero vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_zero(void) {
+  vec2s r;
+  glm_vec2_zero(r.raw);
+  return r;
+}
+
+/*!
+ * @brief make vector one
+ *
+ * @returns one vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_one(void) {
+  vec2s r;
+  glm_vec2_one(r.raw);
+  return r;
+}
+
+/*!
+ * @brief vec2 dot product
+ *
+ * @param[in] a vector1
+ * @param[in] b vector2
+ *
+ * @return dot product
+ */
+CGLM_INLINE
+float
+glms_vec2_dot(vec2s a, vec2s b) {
+  return glm_vec2_dot(a.raw, b.raw);
+}
+
+/*!
+ * @brief vec2 cross product
+ *
+ * REF: http://allenchou.net/2013/07/cross-product-of-2d-vectors/
+ *
+ * @param[in]  a vector1
+ * @param[in]  b vector2
+ *
+ * @return Z component of cross product
+ */
+CGLM_INLINE
+float
+glms_vec2_cross(vec2s a, vec2s b) {
+  return glm_vec2_cross(a.raw, b.raw);
+}
+
+/*!
+ * @brief norm * norm (magnitude) of vec
+ *
+ * we can use this func instead of calling norm * norm, because it would call
+ * sqrtf fuction twice but with this func we can avoid func call, maybe this is
+ * not good name for this func
+ *
+ * @param[in] v vector
+ *
+ * @return norm * norm
+ */
+CGLM_INLINE
+float
+glms_vec2_norm2(vec2s v) {
+  return glm_vec2_norm2(v.raw);
+}
+
+/*!
+ * @brief norm (magnitude) of vec2
+ *
+ * @param[in] v vector
+ *
+ * @return norm
+ */
+CGLM_INLINE
+float
+glms_vec2_norm(vec2s v) {
+  return glm_vec2_norm(v.raw);
+}
+
+/*!
+ * @brief add a vector to b vector store result in dest
+ *
+ * @param[in]  a    vector1
+ * @param[in]  b    vector2
+ * @returns         destination vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_add(vec2s a, vec2s b) {
+  vec2s r;
+  glm_vec2_add(a.raw, b.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief add scalar to v vector store result in dest (d = v + s)
+ *
+ * @param[in]  a    vector
+ * @param[in]  s    scalar
+ * @returns         destination vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_adds(vec2s a, float s) {
+  vec2s r;
+  glm_vec2_adds(a.raw, s, r.raw);
+  return r;
+}
+
+/*!
+ * @brief subtract b vector from a vector store result in dest
+ *
+ * @param[in]  a    vector1
+ * @param[in]  b    vector2
+ * @returns         destination vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_sub(vec2s a, vec2s b) {
+  vec2s r;
+  glm_vec2_sub(a.raw, b.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief subtract scalar from v vector store result in dest (d = v - s)
+ *
+ * @param[in]  a    vector
+ * @param[in]  s    scalar
+ * @returns         destination vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_subs(vec2s a, float s) {
+  vec2s r;
+  glm_vec2_subs(a.raw, s, r.raw);
+  return r;
+}
+
+/*!
+ * @brief multiply two vector (component-wise multiplication)
+ *
+ * @param     a     vector1
+ * @param     b     vector2
+ * @returns         v3 = (a[0] * b[0], a[1] * b[1], a[2] * b[2])
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_mul(vec2s a, vec2s b) {
+  vec2s r;
+  glm_vec2_mul(a.raw, b.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief multiply/scale vec2 vector with scalar: result = v * s
+ *
+ * @param[in]  v    vector
+ * @param[in]  s    scalar
+ * @returns         destination vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_scale(vec2s v, float s) {
+  vec2s r;
+  glm_vec2_scale(v.raw, s, r.raw);
+  return r;
+}
+
+/*!
+ * @brief make vec2 vector scale as specified: result = unit(v) * s
+ *
+ * @param[in]  v    vector
+ * @param[in]  s    scalar
+ * @returns         destination vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_scale_as(vec2s v, float s) {
+  vec2s r;
+  glm_vec2_scale_as(v.raw, s, r.raw);
+  return r;
+}
+
+/*!
+ * @brief div vector with another component-wise division: d = a / b
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @returns         result = (a[0]/b[0], a[1]/b[1], a[2]/b[2])
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_div(vec2s a, vec2s b) {
+  vec2s r;
+  glm_vec2_div(a.raw, b.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief div vector with scalar: d = v / s
+ *
+ * @param[in]  a    vector
+ * @param[in]  s    scalar
+ * @returns         result = (a[0]/s, a[1]/s, a[2]/s)
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_divs(vec2s a, float s) {
+  vec2s r;
+  glm_vec2_divs(a.raw, s, r.raw);
+  return r;
+}
+
+/*!
+ * @brief add two vectors and add result to sum
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @returns         dest += (a + b)
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_addadd(vec2s a, vec2s b, vec2s dest) {
+  glm_vec2_addadd(a.raw, b.raw, dest.raw);
+  return dest;
+}
+
+/*!
+ * @brief sub two vectors and add result to dest
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @returns         dest += (a + b)
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_subadd(vec2s a, vec2s b, vec2s dest) {
+  glm_vec2_subadd(a.raw, b.raw, dest.raw);
+  return dest;
+}
+
+/*!
+ * @brief mul two vectors and add result to dest
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @returns         dest += (a * b)
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_muladd(vec2s a, vec2s b, vec2s dest) {
+  glm_vec2_muladd(a.raw, b.raw, dest.raw);
+  return dest;
+}
+
+/*!
+ * @brief mul vector with scalar and add result to sum
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector
+ * @param[in]  s    scalar
+ * @returns         dest += (a * b)
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_muladds(vec2s a, float s, vec2s dest) {
+  glm_vec2_muladds(a.raw, s, dest.raw);
+  return dest;
+}
+
+/*!
+ * @brief add max of two vector to result/dest
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @returns         dest += max(a, b)
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_maxadd(vec2s a, vec2s b, vec2s dest) {
+  glm_vec2_maxadd(a.raw, b.raw, dest.raw);
+  return dest;
+}
+
+/*!
+ * @brief add min of two vector to result/dest
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @returns         dest += min(a, b)
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_minadd(vec2s a, vec2s b, vec2s dest) {
+  glm_vec2_minadd(a.raw, b.raw, dest.raw);
+  return dest;
+}
+
+/*!
+ * @brief negate vector components
+ *
+ * @param[in]  v  vector
+ * @returns       negated vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_negate(vec2s v) {
+  glm_vec2_negate(v.raw);
+  return v;
+}
+
+/*!
+ * @brief normalize vec2 and store result in same vec
+ *
+ * @param[in] v vector
+ * @returns     normalized vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_normalize(vec2s v) {
+  glm_vec2_normalize(v.raw);
+  return v;
+}
+
+/*!
+ * @brief rotate vec2 by angle using Rodrigues' rotation formula
+ *
+ * @param[in]     v     vector
+ * @param[in]     angle angle by radians
+ * @returns             rotated vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_rotate(vec2s v, float angle) {
+  vec2s r;
+  glm_vec2_rotate(v.raw, angle, r.raw);
+  return r;
+}
+
+/**
+ * @brief distance between two vectors
+ *
+ * @param[in] a vector1
+ * @param[in] b vector2
+ * @return      distance
+ */
+CGLM_INLINE
+float
+glms_vec2_distance(vec2s a, vec2s b) {
+  return glm_vec2_distance(a.raw, b.raw);
+}
+
+/**
+ * @brief squared distance between two vectors
+ *
+ * @param[in] a vector1
+ * @param[in] b vector2
+ * @return      squared distance (distance * distance)
+ */
+CGLM_INLINE
+float
+glms_vec2_distance2(vec2s a, vec2s b) {
+  return glm_vec2_distance2(a.raw, b.raw);
+}
+
+/*!
+ * @brief max values of vectors
+ *
+ * @param[in]  a    vector1
+ * @param[in]  b    vector2
+ * @returns         destination
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_maxv(vec2s a, vec2s b) {
+  vec2s r;
+  glm_vec2_maxv(a.raw, b.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief min values of vectors
+ *
+ * @param[in]  a    vector1
+ * @param[in]  b    vector2
+ * @returns         destination
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_minv(vec2s a, vec2s b) {
+  vec2s r;
+  glm_vec2_minv(a.raw, b.raw, r.raw);
+  return r;
+}
+
+/*!
+ * @brief clamp vector's individual members between min and max values
+ *
+ * @param[in]       v       vector
+ * @param[in]       minVal  minimum value
+ * @param[in]       maxVal  maximum value
+ * @returns                 clamped vector
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_clamp(vec2s v, float minVal, float maxVal) {
+  glm_vec2_clamp(v.raw, minVal, maxVal);
+  return v;
+}
+
+/*!
+ * @brief linear interpolation between two vectors
+ *
+ * formula:  from + s * (to - from)
+ *
+ * @param[in]   from  from value
+ * @param[in]   to    to value
+ * @param[in]   t     interpolant (amount)
+ * @returns           destination
+ */
+CGLM_INLINE
+vec2s
+glms_vec2_lerp(vec2s from, vec2s to, float t) {
+  vec2s r;
+  glm_vec2_lerp(from.raw, to.raw, t, r.raw);
+  return r;
+}
+
+#endif /* cglms_vec2s_h */

include/cglm/types-struct.h

@@ -101,8 +101,19 @@ typedef union CGLM_ALIGN_IF(16) versors {
 #endif
 } versors;
 
+typedef union mat2s {
+  mat2  raw;
+  vec2s col[2];
+#if CGLM_USE_ANONYMOUS_STRUCT
+  struct {
+    float m00, m01;
+    float m10, m11;
+  };
+#endif
+} mat2s;
+
 typedef union mat3s {
-  mat3 raw;
+  mat3  raw;
   vec3s col[3];
 #if CGLM_USE_ANONYMOUS_STRUCT
   struct {
@@ -114,7 +125,7 @@ typedef union mat3s {
 } mat3s;
 
 typedef union CGLM_ALIGN_MAT mat4s {
-  mat4 raw;
+  mat4  raw;
   vec4s col[4];
 #if CGLM_USE_ANONYMOUS_STRUCT
   struct {

include/cglm/types.h

@@ -32,13 +32,29 @@
 #  define CGLM_ALIGN_MAT CGLM_ALIGN(16)
 #endif
 
+#ifdef __GNUC__
+#  define CGLM_ASSUME_ALIGNED(expr, alignment) \
+  __builtin_assume_aligned((expr), (alignment))
+#else
+#  define CGLM_ASSUME_ALIGNED(expr, alignment) (expr)
+#endif
+
+#define CGLM_CASTPTR_ASSUME_ALIGNED(expr, type) \
+  ((type*)CGLM_ASSUME_ALIGNED((expr), __alignof__(type)))
+
 typedef float                   vec2[2];
 typedef float                   vec3[3];
 typedef int                    ivec3[3];
 typedef CGLM_ALIGN_IF(16) float vec4[4];
-typedef vec4                    versor;
+typedef vec4                    versor;     /* |x, y, z, w| -> w is the last */
 typedef vec3                    mat3[3];
-typedef CGLM_ALIGN_MAT vec4     mat4[4];
+typedef CGLM_ALIGN_IF(16) vec2  mat2[2];
+typedef CGLM_ALIGN_MAT    vec4  mat4[4];
+
+/*
+  Important: cglm stores quaternion as [x, y, z, w] in memory since v0.4.0 
+  it was [w, x, y, z] before v0.4.0 ( v0.3.5 and earlier ). w is real part.
+*/
 
 #define GLM_E         2.71828182845904523536028747135266250   /* e           */
 #define GLM_LOG2E     1.44269504088896340735992468100189214   /* log2(e)     */

include/cglm/util.h

@@ -289,7 +289,7 @@ glm_smoothinterpc(float from, float to, float t) {
 CGLM_INLINE
 bool
 glm_eq(float a, float b) {
-  return fabsf(a - b) <= FLT_EPSILON;
+  return fabsf(a - b) <= GLM_FLT_EPSILON;
 }
 
 /*!
@@ -322,7 +322,22 @@ glm_percent(float from, float to, float current) {
 CGLM_INLINE
 float
 glm_percentc(float from, float to, float current) {
-  return glm_clamp(glm_percent(from, to, current), 0.0f, 1.0f);
+  return glm_clamp_zo(glm_percent(from, to, current));
+}
+
+/*!
+* @brief swap two float values
+*
+* @param[in]   a float value 1 (pointer)
+* @param[in]   b float value 2 (pointer)
+*/
+CGLM_INLINE
+void
+glm_swapf(float * __restrict a, float * __restrict b) {
+  float t;
+  t  = *a;
+  *a = *b;
+  *b = t;
 }
 
 #endif /* cglm_util_h */

include/cglm/vec2-ext.h

@@ -0,0 +1,189 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Functions:
+   CGLM_INLINE void  glm_vec2_fill(vec2 v, float val)
+   CGLM_INLINE bool  glm_vec2_eq(vec2 v, float val);
+   CGLM_INLINE bool  glm_vec2_eq_eps(vec2 v, float val);
+   CGLM_INLINE bool  glm_vec2_eq_all(vec2 v);
+   CGLM_INLINE bool  glm_vec2_eqv(vec2 a, vec2 b);
+   CGLM_INLINE bool  glm_vec2_eqv_eps(vec2 a, vec2 b);
+   CGLM_INLINE float glm_vec2_max(vec2 v);
+   CGLM_INLINE float glm_vec2_min(vec2 v);
+   CGLM_INLINE bool  glm_vec2_isnan(vec2 v);
+   CGLM_INLINE bool  glm_vec2_isinf(vec2 v);
+   CGLM_INLINE bool  glm_vec2_isvalid(vec2 v);
+   CGLM_INLINE void  glm_vec2_sign(vec2 v, vec2 dest);
+   CGLM_INLINE void  glm_vec2_sqrt(vec2 v, vec2 dest);
+ */
+
+#ifndef cglm_vec2_ext_h
+#define cglm_vec2_ext_h
+
+#include "common.h"
+#include "util.h"
+
+/*!
+ * @brief fill a vector with specified value
+ *
+ * @param[out] v   dest
+ * @param[in]  val value
+ */
+CGLM_INLINE
+void
+glm_vec2_fill(vec2 v, float val) {
+  v[0] = v[1] = val;
+}
+
+/*!
+ * @brief check if vector is equal to value (without epsilon)
+ *
+ * @param[in] v   vector
+ * @param[in] val value
+ */
+CGLM_INLINE
+bool
+glm_vec2_eq(vec2 v, float val) {
+  return v[0] == val && v[0] == v[1];
+}
+
+/*!
+ * @brief check if vector is equal to value (with epsilon)
+ *
+ * @param[in] v   vector
+ * @param[in] val value
+ */
+CGLM_INLINE
+bool
+glm_vec2_eq_eps(vec2 v, float val) {
+  return fabsf(v[0] - val) <= GLM_FLT_EPSILON
+         && fabsf(v[1] - val) <= GLM_FLT_EPSILON;
+}
+
+/*!
+ * @brief check if vectors members are equal (without epsilon)
+ *
+ * @param[in] v   vector
+ */
+CGLM_INLINE
+bool
+glm_vec2_eq_all(vec2 v) {
+  return glm_vec2_eq_eps(v, v[0]);
+}
+
+/*!
+ * @brief check if vector is equal to another (without epsilon)
+ *
+ * @param[in] a vector
+ * @param[in] b vector
+ */
+CGLM_INLINE
+bool
+glm_vec2_eqv(vec2 a, vec2 b) {
+  return a[0] == b[0] && a[1] == b[1];
+}
+
+/*!
+ * @brief check if vector is equal to another (with epsilon)
+ *
+ * @param[in] a vector
+ * @param[in] b vector
+ */
+CGLM_INLINE
+bool
+glm_vec2_eqv_eps(vec2 a, vec2 b) {
+  return fabsf(a[0] - b[0]) <= GLM_FLT_EPSILON
+         && fabsf(a[1] - b[1]) <= GLM_FLT_EPSILON;
+}
+
+/*!
+ * @brief max value of vector
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+float
+glm_vec2_max(vec2 v) {
+  return glm_max(v[0], v[1]);
+}
+
+/*!
+ * @brief min value of vector
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+float
+glm_vec2_min(vec2 v) {
+  return glm_min(v[0], v[1]);
+}
+
+/*!
+ * @brief check if all items are NaN (not a number)
+ *        you should only use this in DEBUG mode or very critical asserts
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+bool
+glm_vec2_isnan(vec2 v) {
+  return isnan(v[0]) || isnan(v[1]);
+}
+
+/*!
+ * @brief check if all items are INFINITY
+ *        you should only use this in DEBUG mode or very critical asserts
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+bool
+glm_vec2_isinf(vec2 v) {
+  return isinf(v[0]) || isinf(v[1]);
+}
+
+/*!
+ * @brief check if all items are valid number
+ *        you should only use this in DEBUG mode or very critical asserts
+ *
+ * @param[in] v vector
+ */
+CGLM_INLINE
+bool
+glm_vec2_isvalid(vec2 v) {
+  return !glm_vec2_isnan(v) && !glm_vec2_isinf(v);
+}
+
+/*!
+ * @brief get sign of 32 bit float as +1, -1, 0
+ *
+ * Important: It returns 0 for zero/NaN input
+ *
+ * @param v vector
+ */
+CGLM_INLINE
+void
+glm_vec2_sign(vec2 v, vec2 dest) {
+  dest[0] = glm_signf(v[0]);
+  dest[1] = glm_signf(v[1]);
+}
+
+/*!
+ * @brief square root of each vector item
+ *
+ * @param[in]  v    vector
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec2_sqrt(vec2 v, vec2 dest) {
+  dest[0] = sqrtf(v[0]);
+  dest[1] = sqrtf(v[1]);
+}
+
+#endif /* cglm_vec2_ext_h */

include/cglm/vec2.h

@@ -0,0 +1,585 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+ Macros:
+   GLM_VEC2_ONE_INIT
+   GLM_VEC2_ZERO_INIT
+   GLM_VEC2_ONE
+   GLM_VEC2_ZERO
+
+ Functions:
+   CGLM_INLINE void  glm_vec2(float * __restrict v, vec2 dest)
+   CGLM_INLINE void  glm_vec2_copy(vec2 a, vec2 dest)
+   CGLM_INLINE void  glm_vec2_zero(vec2 v)
+   CGLM_INLINE void  glm_vec2_one(vec2 v)
+   CGLM_INLINE float glm_vec2_dot(vec2 a, vec2 b)
+   CGLM_INLINE float glm_vec2_cross(vec2 a, vec2 b)
+   CGLM_INLINE float glm_vec2_norm2(vec2 v)
+   CGLM_INLINE float glm_vec2_norm(vec2 vec)
+   CGLM_INLINE void  glm_vec2_add(vec2 a, vec2 b, vec2 dest)
+   CGLM_INLINE void  glm_vec2_adds(vec2 v, float s, vec2 dest)
+   CGLM_INLINE void  glm_vec2_sub(vec2 a, vec2 b, vec2 dest)
+   CGLM_INLINE void  glm_vec2_subs(vec2 v, float s, vec2 dest)
+   CGLM_INLINE void  glm_vec2_mul(vec2 a, vec2 b, vec2 d)
+   CGLM_INLINE void  glm_vec2_scale(vec2 v, float s, vec2 dest)
+   CGLM_INLINE void  glm_vec2_scale_as(vec2 v, float s, vec2 dest)
+   CGLM_INLINE void  glm_vec2_div(vec2 a, vec2 b, vec2 dest)
+   CGLM_INLINE void  glm_vec2_divs(vec2 v, float s, vec2 dest)
+   CGLM_INLINE void  glm_vec2_addadd(vec2 a, vec2 b, vec2 dest)
+   CGLM_INLINE void  glm_vec2_subadd(vec2 a, vec2 b, vec2 dest)
+   CGLM_INLINE void  glm_vec2_muladd(vec2 a, vec2 b, vec2 dest)
+   CGLM_INLINE void  glm_vec2_muladds(vec2 a, float s, vec2 dest)
+   CGLM_INLINE void  glm_vec2_maxadd(vec2 a, vec2 b, vec2 dest)
+   CGLM_INLINE void  glm_vec2_minadd(vec2 a, vec2 b, vec2 dest)
+   CGLM_INLINE void  glm_vec2_negate_to(vec2 v, vec2 dest)
+   CGLM_INLINE void  glm_vec2_negate(vec2 v)
+   CGLM_INLINE void  glm_vec2_normalize(vec2 v)
+   CGLM_INLINE void  glm_vec2_normalize_to(vec2 vec, vec2 dest)
+   CGLM_INLINE void  glm_vec2_rotate(vec2 v, float angle, vec2 dest)
+   CGLM_INLINE float glm_vec2_distance2(vec2 a, vec2 b)
+   CGLM_INLINE float glm_vec2_distance(vec2 a, vec2 b)
+   CGLM_INLINE void  glm_vec2_maxv(vec2 v1, vec2 v2, vec2 dest)
+   CGLM_INLINE void  glm_vec2_minv(vec2 v1, vec2 v2, vec2 dest)
+   CGLM_INLINE void  glm_vec2_clamp(vec2 v, float minVal, float maxVal)
+   CGLM_INLINE void  glm_vec2_lerp(vec2 from, vec2 to, float t, vec2 dest)
+
+ */
+
+#ifndef cglm_vec2_h
+#define cglm_vec2_h
+
+#include "common.h"
+#include "util.h"
+#include "vec2-ext.h"
+
+#define GLM_VEC2_ONE_INIT   {1.0f, 1.0f}
+#define GLM_VEC2_ZERO_INIT  {0.0f, 0.0f}
+
+#define GLM_VEC2_ONE  ((vec2)GLM_VEC2_ONE_INIT)
+#define GLM_VEC2_ZERO ((vec2)GLM_VEC2_ZERO_INIT)
+
+/*!
+ * @brief init vec2 using another vector
+ *
+ * @param[in]  v    a vector
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_vec2(float * __restrict v, vec2 dest) {
+  dest[0] = v[0];
+  dest[1] = v[1];
+}
+
+/*!
+ * @brief copy all members of [a] to [dest]
+ *
+ * @param[in]  a    source
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_vec2_copy(vec2 a, vec2 dest) {
+  dest[0] = a[0];
+  dest[1] = a[1];
+}
+
+/*!
+ * @brief make vector zero
+ *
+ * @param[in, out]  v vector
+ */
+CGLM_INLINE
+void
+glm_vec2_zero(vec2 v) {
+  v[0] = v[1] = 0.0f;
+}
+
+/*!
+ * @brief make vector one
+ *
+ * @param[in, out]  v vector
+ */
+CGLM_INLINE
+void
+glm_vec2_one(vec2 v) {
+  v[0] = v[1] = 1.0f;
+}
+
+/*!
+ * @brief vec2 dot product
+ *
+ * @param[in] a vector1
+ * @param[in] b vector2
+ *
+ * @return dot product
+ */
+CGLM_INLINE
+float
+glm_vec2_dot(vec2 a, vec2 b) {
+  return a[0] * b[0] + a[1] * b[1];
+}
+
+/*!
+ * @brief vec2 cross product
+ *
+ * REF: http://allenchou.net/2013/07/cross-product-of-2d-vectors/
+ *
+ * @param[in]  a vector1
+ * @param[in]  b vector2
+ *
+ * @return Z component of cross product
+ */
+CGLM_INLINE
+float
+glm_vec2_cross(vec2 a, vec2 b) {
+  /* just calculate the z-component */
+  return a[0] * b[1] - a[1] * b[0];
+}
+
+/*!
+ * @brief norm * norm (magnitude) of vec
+ *
+ * we can use this func instead of calling norm * norm, because it would call
+ * sqrtf fuction twice but with this func we can avoid func call, maybe this is
+ * not good name for this func
+ *
+ * @param[in] v vector
+ *
+ * @return norm * norm
+ */
+CGLM_INLINE
+float
+glm_vec2_norm2(vec2 v) {
+  return glm_vec2_dot(v, v);
+}
+
+/*!
+ * @brief norm (magnitude) of vec2
+ *
+ * @param[in] vec vector
+ *
+ * @return norm
+ */
+CGLM_INLINE
+float
+glm_vec2_norm(vec2 vec) {
+  return sqrtf(glm_vec2_norm2(vec));
+}
+
+/*!
+ * @brief add a vector to b vector store result in dest
+ *
+ * @param[in]  a    vector1
+ * @param[in]  b    vector2
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec2_add(vec2 a, vec2 b, vec2 dest) {
+  dest[0] = a[0] + b[0];
+  dest[1] = a[1] + b[1];
+}
+
+/*!
+ * @brief add scalar to v vector store result in dest (d = v + s)
+ *
+ * @param[in]  v    vector
+ * @param[in]  s    scalar
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec2_adds(vec2 v, float s, vec2 dest) {
+  dest[0] = v[0] + s;
+  dest[1] = v[1] + s;
+}
+
+/*!
+ * @brief subtract b vector from a vector store result in dest
+ *
+ * @param[in]  a    vector1
+ * @param[in]  b    vector2
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec2_sub(vec2 a, vec2 b, vec2 dest) {
+  dest[0] = a[0] - b[0];
+  dest[1] = a[1] - b[1];
+}
+
+/*!
+ * @brief subtract scalar from v vector store result in dest (d = v - s)
+ *
+ * @param[in]  v    vector
+ * @param[in]  s    scalar
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec2_subs(vec2 v, float s, vec2 dest) {
+  dest[0] = v[0] - s;
+  dest[1] = v[1] - s;
+}
+
+/*!
+ * @brief multiply two vector (component-wise multiplication)
+ *
+ * @param a    v1
+ * @param b    v2
+ * @param dest v3 = (a[0] * b[0], a[1] * b[1])
+ */
+CGLM_INLINE
+void
+glm_vec2_mul(vec2 a, vec2 b, vec2 dest) {
+  dest[0] = a[0] * b[0];
+  dest[1] = a[1] * b[1];
+}
+
+/*!
+ * @brief multiply/scale vector with scalar: result = v * s
+ *
+ * @param[in]  v    vector
+ * @param[in]  s    scalar
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec2_scale(vec2 v, float s, vec2 dest) {
+  dest[0] = v[0] * s;
+  dest[1] = v[1] * s;
+}
+
+/*!
+ * @brief scale as vector specified: result = unit(v) * s
+ *
+ * @param[in]  v    vector
+ * @param[in]  s    scalar
+ * @param[out] dest destination vector
+ */
+CGLM_INLINE
+void
+glm_vec2_scale_as(vec2 v, float s, vec2 dest) {
+  float norm;
+  norm = glm_vec2_norm(v);
+
+  if (norm == 0.0f) {
+    glm_vec2_zero(dest);
+    return;
+  }
+
+  glm_vec2_scale(v, s / norm, dest);
+}
+
+/*!
+ * @brief div vector with another component-wise division: d = a / b
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @param[out] dest result = (a[0]/b[0], a[1]/b[1])
+ */
+CGLM_INLINE
+void
+glm_vec2_div(vec2 a, vec2 b, vec2 dest) {
+  dest[0] = a[0] / b[0];
+  dest[1] = a[1] / b[1];
+}
+
+/*!
+ * @brief div vector with scalar: d = v / s
+ *
+ * @param[in]  v    vector
+ * @param[in]  s    scalar
+ * @param[out] dest result = (a[0]/s, a[1]/s)
+ */
+CGLM_INLINE
+void
+glm_vec2_divs(vec2 v, float s, vec2 dest) {
+  dest[0] = v[0] / s;
+  dest[1] = v[1] / s;
+}
+
+/*!
+ * @brief add two vectors and add result to sum
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @param[out] dest dest += (a + b)
+ */
+CGLM_INLINE
+void
+glm_vec2_addadd(vec2 a, vec2 b, vec2 dest) {
+  dest[0] += a[0] + b[0];
+  dest[1] += a[1] + b[1];
+}
+
+/*!
+ * @brief sub two vectors and add result to dest
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @param[out] dest dest += (a + b)
+ */
+CGLM_INLINE
+void
+glm_vec2_subadd(vec2 a, vec2 b, vec2 dest) {
+  dest[0] += a[0] - b[0];
+  dest[1] += a[1] - b[1];
+}
+
+/*!
+ * @brief mul two vectors and add result to dest
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @param[out] dest dest += (a * b)
+ */
+CGLM_INLINE
+void
+glm_vec2_muladd(vec2 a, vec2 b, vec2 dest) {
+  dest[0] += a[0] * b[0];
+  dest[1] += a[1] * b[1];
+}
+
+/*!
+ * @brief mul vector with scalar and add result to sum
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector
+ * @param[in]  s    scalar
+ * @param[out] dest dest += (a * b)
+ */
+CGLM_INLINE
+void
+glm_vec2_muladds(vec2 a, float s, vec2 dest) {
+  dest[0] += a[0] * s;
+  dest[1] += a[1] * s;
+}
+
+/*!
+ * @brief add max of two vector to result/dest
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @param[out] dest dest += max(a, b)
+ */
+CGLM_INLINE
+void
+glm_vec2_maxadd(vec2 a, vec2 b, vec2 dest) {
+  dest[0] += glm_max(a[0], b[0]);
+  dest[1] += glm_max(a[1], b[1]);
+}
+
+/*!
+ * @brief add min of two vector to result/dest
+ *
+ * it applies += operator so dest must be initialized
+ *
+ * @param[in]  a    vector 1
+ * @param[in]  b    vector 2
+ * @param[out] dest dest += min(a, b)
+ */
+CGLM_INLINE
+void
+glm_vec2_minadd(vec2 a, vec2 b, vec2 dest) {
+  dest[0] += glm_min(a[0], b[0]);
+  dest[1] += glm_min(a[1], b[1]);
+}
+
+/*!
+ * @brief negate vector components and store result in dest
+ *
+ * @param[in]   v     vector
+ * @param[out]  dest  result vector
+ */
+CGLM_INLINE
+void
+glm_vec2_negate_to(vec2 v, vec2 dest) {
+  dest[0] = -v[0];
+  dest[1] = -v[1];
+}
+
+/*!
+ * @brief negate vector components
+ *
+ * @param[in, out]  v  vector
+ */
+CGLM_INLINE
+void
+glm_vec2_negate(vec2 v) {
+  glm_vec2_negate_to(v, v);
+}
+
+/*!
+ * @brief normalize vector and store result in same vec
+ *
+ * @param[in, out] v vector
+ */
+CGLM_INLINE
+void
+glm_vec2_normalize(vec2 v) {
+  float norm;
+
+  norm = glm_vec2_norm(v);
+
+  if (norm == 0.0f) {
+    v[0] = v[1] = 0.0f;
+    return;
+  }
+
+  glm_vec2_scale(v, 1.0f / norm, v);
+}
+
+/*!
+ * @brief normalize vector to dest
+ *
+ * @param[in]  v    source
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_vec2_normalize_to(vec2 v, vec2 dest) {
+  float norm;
+
+  norm = glm_vec2_norm(v);
+
+  if (norm == 0.0f) {
+    glm_vec2_zero(dest);
+    return;
+  }
+
+  glm_vec2_scale(v, 1.0f / norm, dest);
+}
+
+/*!
+ * @brief rotate vec2 around origin by angle (CCW: counterclockwise)
+ *
+ * Formula:
+ *   𝑥2 = cos(a)𝑥1 − sin(a)𝑦1
+ *   𝑦2 = sin(a)𝑥1 + cos(a)𝑦1
+ *
+ * @param[in]  v     vector to rotate
+ * @param[in]  angle angle by radians
+ * @param[out] dest  destination vector
+ */
+CGLM_INLINE
+void
+glm_vec2_rotate(vec2 v, float angle, vec2 dest) {
+  float c, s, x1, y1;
+
+  c  = cosf(angle);
+  s  = sinf(angle);
+
+  x1 = v[0];
+  y1 = v[1];
+
+  dest[0] = c * x1 - s * y1;
+  dest[1] = s * x1 + c * y1;
+}
+
+/**
+ * @brief squared distance between two vectors
+ *
+ * @param[in] a vector1
+ * @param[in] b vector2
+ * @return returns squared distance (distance * distance)
+ */
+CGLM_INLINE
+float
+glm_vec2_distance2(vec2 a, vec2 b) {
+  return glm_pow2(b[0] - a[0]) + glm_pow2(b[1] - a[1]);
+}
+
+/**
+ * @brief distance between two vectors
+ *
+ * @param[in] a vector1
+ * @param[in] b vector2
+ * @return returns distance
+ */
+CGLM_INLINE
+float
+glm_vec2_distance(vec2 a, vec2 b) {
+  return sqrtf(glm_vec2_distance2(a, b));
+}
+
+/*!
+ * @brief max values of vectors
+ *
+ * @param[in]  a    vector1
+ * @param[in]  b    vector2
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_vec2_maxv(vec2 a, vec2 b, vec2 dest) {
+  dest[0] = glm_max(a[0], b[0]);
+  dest[1] = glm_max(a[1], b[1]);
+}
+
+/*!
+ * @brief min values of vectors
+ *
+ * @param[in]  a    vector1
+ * @param[in]  b    vector2
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_vec2_minv(vec2 a, vec2 b, vec2 dest) {
+  dest[0] = glm_min(a[0], b[0]);
+  dest[1] = glm_min(a[1], b[1]);
+}
+
+/*!
+ * @brief clamp vector's individual members between min and max values
+ *
+ * @param[in, out]  v      vector
+ * @param[in]       minval minimum value
+ * @param[in]       maxval maximum value
+ */
+CGLM_INLINE
+void
+glm_vec2_clamp(vec2 v, float minval, float maxval) {
+  v[0] = glm_clamp(v[0], minval, maxval);
+  v[1] = glm_clamp(v[1], minval, maxval);
+}
+
+/*!
+ * @brief linear interpolation between two vector
+ *
+ * formula:  from + s * (to - from)
+ *
+ * @param[in]   from from value
+ * @param[in]   to   to value
+ * @param[in]   t    interpolant (amount) clamped between 0 and 1
+ * @param[out]  dest destination
+ */
+CGLM_INLINE
+void
+glm_vec2_lerp(vec2 from, vec2 to, float t, vec2 dest) {
+  vec2 s, v;
+
+  /* from + s * (to - from) */
+  glm_vec2_fill(s, glm_clamp_zo(t));
+  glm_vec2_sub(to, from, v);
+  glm_vec2_mul(s, v, v);
+  glm_vec2_add(from, v, dest);
+}
+
+#endif /* cglm_vec2_h */

include/cglm/vec3-ext.h

@@ -81,9 +81,9 @@ glm_vec3_eq(vec3 v, float val) {
 CGLM_INLINE
 bool
 glm_vec3_eq_eps(vec3 v, float val) {
-  return fabsf(v[0] - val) <= FLT_EPSILON
+  return fabsf(v[0] - val) <= GLM_FLT_EPSILON
-         && fabsf(v[1] - val) <= FLT_EPSILON
+         && fabsf(v[1] - val) <= GLM_FLT_EPSILON
-         && fabsf(v[2] - val) <= FLT_EPSILON;
+         && fabsf(v[2] - val) <= GLM_FLT_EPSILON;
 }
 
 /*!
@@ -94,7 +94,7 @@ glm_vec3_eq_eps(vec3 v, float val) {
 CGLM_INLINE
 bool
 glm_vec3_eq_all(vec3 v) {
-  return v[0] == v[1] && v[0] == v[2];
+  return glm_vec3_eq_eps(v, v[0]);
 }
 
 /*!
@@ -120,9 +120,9 @@ glm_vec3_eqv(vec3 a, vec3 b) {
 CGLM_INLINE
 bool
 glm_vec3_eqv_eps(vec3 a, vec3 b) {
-  return fabsf(a[0] - b[0]) <= FLT_EPSILON
+  return fabsf(a[0] - b[0]) <= GLM_FLT_EPSILON
-         && fabsf(a[1] - b[1]) <= FLT_EPSILON
+         && fabsf(a[1] - b[1]) <= GLM_FLT_EPSILON
-         && fabsf(a[2] - b[2]) <= FLT_EPSILON;
+         && fabsf(a[2] - b[2]) <= GLM_FLT_EPSILON;
 }
 
 /*!
@@ -237,9 +237,9 @@ glm_vec3_abs(vec3 v, vec3 dest) {
 CGLM_INLINE
 void
 glm_vec3_fract(vec3 v, vec3 dest) {
-  dest[0] = fminf(v[0] - floorf(v[0]), 0x1.fffffep-1f);
+  dest[0] = fminf(v[0] - floorf(v[0]), 0.999999940395355224609375f);
-  dest[1] = fminf(v[1] - floorf(v[1]), 0x1.fffffep-1f);
+  dest[1] = fminf(v[1] - floorf(v[1]), 0.999999940395355224609375f);
-  dest[2] = fminf(v[2] - floorf(v[2]), 0x1.fffffep-1f);
+  dest[2] = fminf(v[2] - floorf(v[2]), 0.999999940395355224609375f);
 }
 
 /*!

include/cglm/vec3.h

@@ -111,9 +111,10 @@
 #define GLM_VEC3_ONE  ((vec3)GLM_VEC3_ONE_INIT)
 #define GLM_VEC3_ZERO ((vec3)GLM_VEC3_ZERO_INIT)
 
-#define GLM_YUP  ((vec3){0.0f, 1.0f, 0.0f})
+#define GLM_YUP       ((vec3){0.0f,  1.0f,  0.0f})
-#define GLM_ZUP  ((vec3){0.0f, 0.0f, 1.0f})
+#define GLM_ZUP       ((vec3){0.0f,  0.0f,  1.0f})
-#define GLM_XUP  ((vec3){1.0f, 0.0f, 0.0f})
+#define GLM_XUP       ((vec3){1.0f,  0.0f,  0.0f})
+#define GLM_FORWARD   ((vec3){0.0f,  0.0f, -1.0f})
 
 #define GLM_XXX GLM_SHUFFLE3(0, 0, 0)
 #define GLM_YYY GLM_SHUFFLE3(1, 1, 1)

include/cglm/vec4-ext.h

@@ -92,10 +92,10 @@ glm_vec4_eq(vec4 v, float val) {
 CGLM_INLINE
 bool
 glm_vec4_eq_eps(vec4 v, float val) {
-  return fabsf(v[0] - val) <= FLT_EPSILON
+  return fabsf(v[0] - val) <= GLM_FLT_EPSILON
-         && fabsf(v[1] - val) <= FLT_EPSILON
+         && fabsf(v[1] - val) <= GLM_FLT_EPSILON
-         && fabsf(v[2] - val) <= FLT_EPSILON
+         && fabsf(v[2] - val) <= GLM_FLT_EPSILON
-         && fabsf(v[3] - val) <= FLT_EPSILON;
+         && fabsf(v[3] - val) <= GLM_FLT_EPSILON;
 }
 
 /*!
@@ -106,9 +106,7 @@ glm_vec4_eq_eps(vec4 v, float val) {
 CGLM_INLINE
 bool
 glm_vec4_eq_all(vec4 v) {
-  return v[0] == v[1]
+  return glm_vec4_eq_eps(v, v[0]);
-         && v[0] == v[2]
-         && v[0] == v[3];
 }
 
 /*!
@@ -135,10 +133,10 @@ glm_vec4_eqv(vec4 a, vec4 b) {
 CGLM_INLINE
 bool
 glm_vec4_eqv_eps(vec4 a, vec4 b) {
-  return fabsf(a[0] - b[0]) <= FLT_EPSILON
+  return fabsf(a[0] - b[0]) <= GLM_FLT_EPSILON
-         && fabsf(a[1] - b[1]) <= FLT_EPSILON
+         && fabsf(a[1] - b[1]) <= GLM_FLT_EPSILON
-         && fabsf(a[2] - b[2]) <= FLT_EPSILON
+         && fabsf(a[2] - b[2]) <= GLM_FLT_EPSILON
-         && fabsf(a[3] - b[3]) <= FLT_EPSILON;
+         && fabsf(a[3] - b[3]) <= GLM_FLT_EPSILON;
 }
 
 /*!
@@ -270,10 +268,10 @@ glm_vec4_abs(vec4 v, vec4 dest) {
 CGLM_INLINE
 void
 glm_vec4_fract(vec4 v, vec4 dest) {
-  dest[0] = fminf(v[0] - floorf(v[0]), 0x1.fffffep-1f);
+  dest[0] = fminf(v[0] - floorf(v[0]), 0.999999940395355224609375f);
-  dest[1] = fminf(v[1] - floorf(v[1]), 0x1.fffffep-1f);
+  dest[1] = fminf(v[1] - floorf(v[1]), 0.999999940395355224609375f);
-  dest[2] = fminf(v[2] - floorf(v[2]), 0x1.fffffep-1f);
+  dest[2] = fminf(v[2] - floorf(v[2]), 0.999999940395355224609375f);
-  dest[3] = fminf(v[3] - floorf(v[3]), 0x1.fffffep-1f);
+  dest[3] = fminf(v[3] - floorf(v[3]), 0.999999940395355224609375f);
 }
 
 /*!

include/cglm/vec4.h

@@ -602,7 +602,7 @@ glm_vec4_muladds(vec4 a, float s, vec4 dest) {
                                          _mm_set1_ps(s))));
 #elif defined(CGLM_NEON_FP)
   vst1q_f32(dest, vaddq_f32(vld1q_f32(dest),
-                            vsubq_f32(vld1q_f32(a),
+                            vmulq_f32(vld1q_f32(a),
                                       vdupq_n_f32(s))));
 #else
   dest[0] += a[0] * s;
@@ -680,7 +680,7 @@ glm_vec4_negate_to(vec4 v, vec4 dest) {
 #if defined( __SSE__ ) || defined( __SSE2__ )
   glmm_store(dest, _mm_xor_ps(glmm_load(v), _mm_set1_ps(-0.0f)));
 #elif defined(CGLM_NEON_FP)
-  vst1q_f32(dest, veorq_s32(vld1q_f32(v), vdupq_n_f32(-0.0f)));
+  vst1q_f32(dest, vnegq_f32(vld1q_f32(v)));
 #else
   dest[0] = -v[0];
   dest[1] = -v[1];

include/cglm/version.h

@@ -9,7 +9,7 @@
 #define cglm_version_h
 
 #define CGLM_VERSION_MAJOR 0
-#define CGLM_VERSION_MINOR 6
+#define CGLM_VERSION_MINOR 8
-#define CGLM_VERSION_PATCH 2
+#define CGLM_VERSION_PATCH 0
 
 #endif /* cglm_version_h */

include/module.modulemap

@@ -0,0 +1,14 @@
+module cglm {
+    header "cglm/cglm.h"
+    header "cglm/struct.h"
+    
+    export *
+}
+
+module cglmc {
+    header "cglm/cglm.h"
+    header "cglm/struct.h"
+    header "cglm/call.h"
+    
+    export *
+}

meson.build

@@ -0,0 +1,108 @@
+project('cglm', 'c',
+    version : '0.8.0', 
+    license : 'mit',
+    default_options : [
+        'c_std=c11',
+        'werror=true',
+        'warning_level=2',
+        'buildtype=release'
+    ]
+)
+
+cc = meson.get_compiler('c')
+
+cglm_install = get_option('install')
+cglm_deps = cc.find_library('m', required : false)
+
+cglm_args = []
+build_args = []
+
+if get_option('default_library') == 'static'
+    cglm_args = '-DCGLM_STATIC'
+endif
+
+if host_machine.system() == 'windows'
+    build_args = '-DCGLM_EXPORTS'
+endif
+
+cglm_inc = include_directories('include')
+
+cglm_src = files(
+    'src/affine.c',
+    'src/affine2d.c',
+    'src/bezier.c',
+    'src/box.c',
+    'src/cam.c',
+    'src/curve.c',
+    'src/ease.c',
+    'src/euler.c',
+    'src/frustum.c',
+    'src/io.c',
+    'src/mat2.c',
+    'src/mat3.c',
+    'src/mat4.c',
+    'src/plane.c',
+    'src/project.c',
+    'src/quat.c',
+    'src/ray.c',
+    'src/sphere.c',
+    'src/vec2.c',
+    'src/vec3.c',
+    'src/vec4.c'
+)
+
+cglm_lib = library('cglm',
+    cglm_src,
+    install : cglm_install,
+    dependencies : cglm_deps,
+    c_args : [ build_args, cglm_args ]
+)
+
+cglm_dep = declare_dependency(
+    link_with : cglm_lib,
+    dependencies : cglm_deps,
+    compile_args : cglm_args,
+    include_directories : cglm_inc,
+    version : meson.project_version()
+)
+
+if meson.version().version_compare('>= 0.54.0')
+    meson.override_dependency('cglm', cglm_dep)
+endif
+
+if cglm_install
+    install_subdir('include/cglm', install_dir : get_option('includedir'))
+
+    pkg = import('pkgconfig')
+    pkg.generate(
+        name : 'cglm',
+        libraries : cglm_lib,
+        extra_cflags : cglm_args,
+        version : meson.project_version(),
+        url : 'https://github.com/recp/cglm',
+        description : 'OpenGL Mathematics (glm) for C'
+    )
+endif
+
+if get_option('build_tests') == true
+
+test_src = files(
+    'test/runner.c',
+    'test/src/test_euler.c',
+    'test/src/test_bezier.c',
+    'test/src/test_cam.c',
+    'test/src/test_struct.c',
+    'test/src/test_clamp.c',
+    'test/src/test_common.c',
+    'test/src/tests.c'
+)
+
+test_exe = executable('tests', 
+    test_src, 
+    dependencies : cglm_dep,
+    c_args : '-DGLM_TESTS_NO_COLORFUL_OUTPUT'
+)
+
+test('cglm.tests', test_exe)
+
+endif

meson_options.txt

@@ -0,0 +1,2 @@
+option('build_tests', type : 'boolean', value : false, description : 'Build tests')
+option('install', type : 'boolean', value : true, description : 'Include the library, headers, and pkg-config file in the install target')

src/affine2d.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "../include/cglm/cglm.h"
+#include "../include/cglm/call.h"
+
+CGLM_EXPORT
+void
+glmc_translate2d_make(mat3 m, vec2 v) {
+  glm_translate2d_make(m, v);
+}
+
+CGLM_EXPORT
+void
+glmc_translate2d_to(mat3 m, vec2 v, mat3 dest) {
+  glm_translate2d_to(m, v, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_translate2d(mat3 m, vec2 v) {
+  glm_translate2d(m, v);
+}
+
+CGLM_EXPORT
+void
+glmc_translate2d_x(mat3 m, float to) {
+  glm_translate2d_x(m, to);
+}
+
+CGLM_EXPORT
+void
+glmc_translate2d_y(mat3 m, float to) {
+  glm_translate2d_y(m, to);
+}
+
+CGLM_EXPORT
+void
+glmc_scale2d_to(mat3 m, vec2 v, mat3 dest) {
+  glm_scale2d_to(m, v, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_scale2d_make(mat3 m, vec2 v) {
+  glm_scale2d_make(m, v);
+}
+
+CGLM_EXPORT
+void
+glmc_scale2d(mat3 m, vec2 v) {
+  glm_scale2d(m, v);
+}
+
+CGLM_EXPORT
+void
+glmc_scale2d_uni(mat3 m, float s) {
+  glm_scale2d_uni(m, s);
+}
+
+CGLM_EXPORT
+void
+glmc_rotate2d_make(mat3 m, float angle) {
+  glm_rotate2d_make(m, angle);
+}
+
+CGLM_EXPORT
+void
+glmc_rotate2d(mat3 m, float angle) {
+  glm_rotate2d(m, angle);
+}
+
+CGLM_EXPORT
+void
+glmc_rotate2d_to(mat3 m, float angle, mat3 dest) {
+  glm_rotate2d_to(m, angle, dest);
+}

src/config.h

@@ -1,9 +1,9 @@
 /*
-* Copyright (c), Recep Aslantas.
+ * Copyright (c), Recep Aslantas.
-*
+ *
-* MIT License (MIT), http://opensource.org/licenses/MIT
+ * MIT License (MIT), http://opensource.org/licenses/MIT
-* Full license can be found in the LICENSE file
+ * Full license can be found in the LICENSE file
-*/
+ */
 
 #ifndef cglm__config__h_
 #define cglm__config__h_

src/io.c

@@ -5,6 +5,8 @@
  * Full license can be found in the LICENSE file
  */
 
+#define CGLM_LIB_SRC
+
 #include "../include/cglm/cglm.h"
 #include "../include/cglm/call.h"
 

src/mat2.c

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "../include/cglm/cglm.h"
+#include "../include/cglm/call.h"
+
+CGLM_EXPORT
+void
+glmc_mat2_copy(mat2 mat, mat2 dest) {
+  glm_mat2_copy(mat, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_identity(mat2 mat) {
+  glm_mat2_identity(mat);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_identity_array(mat2 * __restrict mat, size_t count) {
+  glm_mat2_identity_array(mat, count);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_zero(mat2 mat) {
+  glm_mat2_zero(mat);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_mul(mat2 m1, mat2 m2, mat2 dest) {
+  glm_mat2_mul(m1, m2, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_transpose_to(mat2 m, mat2 dest) {
+  glm_mat2_transpose_to(m, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_transpose(mat2 m) {
+  glm_mat2_transpose(m);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_mulv(mat2 m, vec2 v, vec2 dest) {
+  glm_mat2_mulv(m, v, dest);
+}
+
+CGLM_EXPORT
+float
+glmc_mat2_trace(mat2 m) {
+  return glm_mat2_trace(m);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_scale(mat2 m, float s) {
+  glm_mat2_scale(m, s);
+}
+
+CGLM_EXPORT
+float
+glmc_mat2_det(mat2 mat) {
+  return glm_mat2_det(mat);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_inv(mat2 mat, mat2 dest) {
+  glm_mat2_inv(mat, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_swap_col(mat2 mat, int col1, int col2) {
+  glm_mat2_swap_col(mat, col1, col2);
+}
+
+CGLM_EXPORT
+void
+glmc_mat2_swap_row(mat2 mat, int row1, int row2) {
+  glm_mat2_swap_row(mat, row1, row2);
+}
+
+CGLM_EXPORT
+float
+glmc_mat2_rmc(vec2 r, mat2 m, vec2 c) {
+  return glm_mat2_rmc(r, m, c);
+}

src/quat.c

@@ -184,14 +184,14 @@ glmc_quat_look(vec3 eye, versor ori, mat4 dest) {
 
 CGLM_EXPORT
 void
-glmc_quat_for(vec3 dir, vec3 fwd, vec3 up, versor dest) {
+glmc_quat_for(vec3 dir, vec3 up, versor dest) {
-  glm_quat_for(dir, fwd, up, dest);
+  glm_quat_for(dir, up, dest);
 }
 
 CGLM_EXPORT
 void
-glmc_quat_forp(vec3 from, vec3 to, vec3 fwd, vec3 up, versor dest) {
+glmc_quat_forp(vec3 from, vec3 to, vec3 up, versor dest) {
-  glm_quat_forp(from, to, fwd, up, dest);
+  glm_quat_forp(from, to, up, dest);
 }
 
 CGLM_EXPORT

src/ray.c

@@ -0,0 +1,13 @@
+#include "../include/cglm/cglm.h"
+#include "../include/cglm/call.h"
+
+CGLM_EXPORT
+bool
+glmc_ray_triangle(vec3   origin,
+                  vec3   direction,
+                  vec3   v0,
+                  vec3   v1,
+                  vec3   v2,
+                  float *d) {
+    return glm_ray_triangle(origin, direction, v0, v1, v2, d);
+}

src/swift/empty.c

@@ -0,0 +1 @@
+// This empty file is needed to trick swiftpm to build the header-only version of cglm as swiftpm itself does not support C targets that have no source code files

src/vec2.c

@@ -0,0 +1,213 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "../include/cglm/cglm.h"
+#include "../include/cglm/call.h"
+
+CGLM_EXPORT
+void
+glmc_vec2(float * __restrict v, vec2 dest) {
+  glm_vec2(v, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_copy(vec2 a, vec2 dest) {
+  glm_vec2_copy(a, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_zero(vec2 v) {
+  glm_vec2_zero(v);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_one(vec2 v) {
+  glm_vec2_one(v);
+}
+
+CGLM_EXPORT
+float
+glmc_vec2_dot(vec2 a, vec2 b) {
+  return glm_vec2_dot(a, b);
+}
+
+CGLM_EXPORT
+float
+glmc_vec2_cross(vec2 a, vec2 b) {
+  return glm_vec2_cross(a, b);
+}
+
+CGLM_EXPORT
+float
+glmc_vec2_norm2(vec2 v) {
+  return glm_vec2_norm2(v);
+}
+
+CGLM_EXPORT
+float
+glmc_vec2_norm(vec2 v) {
+  return glm_vec2_norm(v);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_add(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_add(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_adds(vec2 v, float s, vec2 dest) {
+  glm_vec2_adds(v, s, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_sub(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_sub(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_subs(vec2 v, float s, vec2 dest) {
+  glm_vec2_subs(v, s, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_mul(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_mul(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_scale(vec2 v, float s, vec2 dest) {
+  glm_vec2_scale(v, s, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_scale_as(vec2 v, float s, vec2 dest) {
+  glm_vec2_scale_as(v, s, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_div(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_div(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_divs(vec2 v, float s, vec2 dest) {
+  glm_vec2_divs(v, s, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_addadd(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_addadd(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_subadd(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_subadd(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_muladd(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_muladd(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_muladds(vec2 a, float s, vec2 dest) {
+  glm_vec2_muladds(a, s, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_maxadd(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_maxadd(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_minadd(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_minadd(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_negate_to(vec2 v, vec2 dest) {
+  glm_vec2_negate_to(v, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_negate(vec2 v) {
+  glm_vec2_negate(v);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_normalize(vec2 v) {
+  glm_vec2_normalize(v);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_normalize_to(vec2 v, vec2 dest) {
+  glm_vec2_normalize_to(v, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_rotate(vec2 v, float angle, vec2 dest) {
+  glm_vec2_rotate(v, angle, dest);
+}
+
+CGLM_EXPORT
+float
+glmc_vec2_distance2(vec2 a, vec2 b) {
+  return glm_vec2_distance2(a, b);
+}
+
+CGLM_EXPORT
+float
+glmc_vec2_distance(vec2 a, vec2 b) {
+  return glm_vec2_distance(a, b);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_maxv(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_maxv(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_minv(vec2 a, vec2 b, vec2 dest) {
+  glm_vec2_minv(a, b, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_clamp(vec2 v, float minval, float maxval) {
+  glm_vec2_clamp(v, minval, maxval);
+}
+
+CGLM_EXPORT
+void
+glmc_vec2_lerp(vec2 from, vec2 to, float t, vec2 dest) {
+  glm_vec2_lerp(from, to, t, dest);
+}

test/CMakeLists.txt

@@ -0,0 +1,44 @@
+cmake_minimum_required(VERSION 3.8.2)
+
+# List all files containing tests. (Change as needed)
+set(TESTFILES
+  runner.c
+  src/test_euler.c
+  src/test_bezier.c
+  src/test_cam.c
+  src/test_struct.c
+  src/test_clamp.c
+  src/test_common.c
+  src/tests.c
+  )
+
+set(TEST_MAIN tests)
+set(TEST_RUNNER_PARAMS "")
+
+add_executable(${TEST_MAIN} ${TESTFILES})
+target_compile_definitions(${TEST_MAIN} PRIVATE CGLM_DEFINE_PRINTS=1)
+
+if(NOT MSVC)
+  target_link_libraries(${TEST_MAIN} PRIVATE m)
+endif()
+
+target_link_libraries(${TEST_MAIN} PRIVATE cglm)
+target_include_directories(${TEST_MAIN} PRIVATE
+  ${CMAKE_CURRENT_LIST_DIR}/include
+  ${CMAKE_CURRENT_LIST_DIR}/src
+  )
+
+set_target_properties(${TEST_MAIN} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
+
+if(LDFLAGS)
+  target_compile_options(${TEST_MAIN} PRIVATE ${LDFLAGS})
+endif()
+
+add_test(
+    NAME cglm.${TEST_MAIN}
+    COMMAND ${TEST_MAIN} ${TEST_RUNNER_PARAMS})
+
+add_custom_target(check
+  make
+  COMMAND ${CMAKE_CTEST_COMMAND} -V
+  DEPENDS cglm)

test/include/common.h

@@ -8,6 +8,18 @@
 #ifndef tests_common_h
 #define tests_common_h
 
+#ifndef _USE_MATH_DEFINES
+#  define _USE_MATH_DEFINES       /* for windows */
+#endif
+
+#ifndef _CRT_SECURE_NO_WARNINGS
+#  define _CRT_SECURE_NO_WARNINGS /* for windows */
+#endif
+
+#ifndef _GNU_SOURCE
+#  define _GNU_SOURCE /* for drand48() */
+#endif
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -30,6 +42,8 @@ typedef struct test_entry_t {
   int    show_output;
 } test_entry_t;
 
+#ifndef GLM_TESTS_NO_COLORFUL_OUTPUT
+
 #define RESET       "\033[0m"
 #define BLACK       "\033[30m"             /* Black */
 #define RED         "\033[31m"             /* Red */
@@ -48,6 +62,28 @@ typedef struct test_entry_t {
 #define BOLDCYAN    "\033[1m\033[36m"      /* Bold Cyan */
 #define BOLDWHITE   "\033[1m\033[37m"      /* Bold White */
 
+#else
+
+#define RESET
+#define BLACK
+#define RED
+#define GREEN
+#define YELLOW
+#define BLUE
+#define MAGENTA
+#define CYAN
+#define WHITE
+#define BOLDBLACK
+#define BOLDRED
+#define BOLDGREEN
+#define BOLDYELLOW
+#define BOLDBLUE
+#define BOLDMAGENTA
+#define BOLDCYAN
+#define BOLDWHITE
+
+#endif
+
 #define TEST_DECLARE(FUN) test_status_t test_ ## FUN(void);
 #define TEST_ENTRY(FUN)   { #FUN, test_ ## FUN, 0, 0 },
 #define TEST_LIST         static test_entry_t tests[] = 

test/runner.c

@@ -18,6 +18,8 @@ main(int argc, const char * argv[]) {
   test_status_t st;
   int32_t       i, count, passed, failed, maxlen;
   double        start, end, elapsed, total;
+  (void)argc;
+  (void)argv;
 
   passed = failed = maxlen  = 0;
   total  = 0.0;

test/src/test_affine.c

@@ -1,114 +0,0 @@
-/*
- * Copyright (c), Recep Aslantas.
- *
- * MIT License (MIT), http://opensource.org/licenses/MIT
- * Full license can be found in the LICENSE file
- */
-
-#include "test_common.h"
-
-TEST_IMPL(affine) {
-  mat4 t1, t2, t3, t4, t5;
-
-  /* test translate is postmultiplied */
-  glmc_rotate_make(t1, GLM_PI_4f, GLM_YUP);
-  glm_translate_make(t2, (vec3){34, 57, 36});
-
-  glmc_mat4_mul(t1, t2, t3); /* R * T */
-
-  glm_translate(t1, (vec3){34, 57, 36});
-  ASSERTIFY(test_assert_mat4_eq(t1, t3))
-
-  /* test rotate is postmultiplied */
-  glmc_rotate_make(t1, GLM_PI_4f, GLM_YUP);
-  glm_translate_make(t2, (vec3){34, 57, 36});
-
-  glmc_mat4_mul(t2, t1, t3); /* T * R */
-
-  glm_rotate(t2, GLM_PI_4f, GLM_YUP);
-  ASSERTIFY(test_assert_mat4_eq(t2, t3))
-
-  /* test scale is postmultiplied */
-  glmc_rotate_make(t1, GLM_PI_4f, GLM_YUP);
-  glm_translate_make(t2, (vec3){34, 57, 36});
-  glm_scale_make(t4, (vec3){3, 5, 6});
-
-  glmc_mat4_mul(t2, t1, t3); /* T * R */
-  glmc_mat4_mul(t3, t4, t5); /* T * R * S */
-
-  glm_scale(t3, (vec3){3, 5, 6});
-  ASSERTIFY(test_assert_mat4_eq(t3, t5))
-
-  /* test translate_x */
-  glmc_rotate_make(t1, GLM_PI_4f, GLM_YUP);
-  glm_translate_make(t2, (vec3){34, 0, 0});
-
-  glmc_mat4_mul(t1, t2, t3); /* R * T */
-  glm_translate_x(t1, 34);
-  ASSERTIFY(test_assert_mat4_eq(t1, t3))
-
-  /* test translate_y */
-  glmc_rotate_make(t1, GLM_PI_4f, GLM_YUP);
-  glm_translate_make(t2, (vec3){0, 57, 0});
-
-  glmc_mat4_mul(t1, t2, t3); /* R * T */
-  glm_translate_y(t1, 57);
-  ASSERTIFY(test_assert_mat4_eq(t1, t3))
-
-  /* test translate_z */
-  glmc_rotate_make(t1, GLM_PI_4f, GLM_YUP);
-  glm_translate_make(t2, (vec3){0, 0, 36});
-
-  glmc_mat4_mul(t1, t2, t3); /* R * T */
-  glm_translate_z(t1, 36);
-  ASSERTIFY(test_assert_mat4_eq(t1, t3))
-
-  /* test rotate_x */
-  glmc_rotate_make(t1, GLM_PI_4f, (vec3){1, 0, 0});
-  glm_translate_make(t2, (vec3){34, 57, 36});
-
-  glmc_mat4_mul(t2, t1, t3); /* T * R */
-
-  glm_rotate_x(t2, GLM_PI_4f, t2);
-  ASSERTIFY(test_assert_mat4_eq(t2, t3))
-
-  /* test rotate_y */
-  glmc_rotate_make(t1, GLM_PI_4f, (vec3){0, 1, 0});
-  glm_translate_make(t2, (vec3){34, 57, 36});
-
-  glmc_mat4_mul(t2, t1, t3); /* T * R */
-
-  glm_rotate_y(t2, GLM_PI_4f, t2);
-  ASSERTIFY(test_assert_mat4_eq(t2, t3))
-
-  /* test rotate_z */
-  glmc_rotate_make(t1, GLM_PI_4f, (vec3){0, 0, 1});
-  glm_translate_make(t2, (vec3){34, 57, 36});
-
-  glmc_mat4_mul(t2, t1, t3); /* T * R */
-
-  glm_rotate_z(t2, GLM_PI_4f, t2);
-  ASSERTIFY(test_assert_mat4_eq(t2, t3))
-
-  /* test rotate */
-  glmc_rotate_make(t1, GLM_PI_4f, (vec3){0, 0, 1});
-  glm_translate_make(t2, (vec3){34, 57, 36});
-
-  glmc_mat4_mul(t2, t1, t3); /* T * R */
-  glmc_rotate(t2, GLM_PI_4f, (vec3){0, 0, 1});
-
-  ASSERTIFY(test_assert_mat4_eq(t3, t2))
-
-  /* test scale_uni */
-  glmc_rotate_make(t1, GLM_PI_4f, GLM_YUP);
-  glm_translate_make(t2, (vec3){34, 57, 36});
-  glm_scale_make(t4, (vec3){3, 3, 3});
-
-  glmc_mat4_mul(t2, t1, t3); /* T * R */
-  glmc_mat4_mul(t3, t4, t5); /* T * R * S */
-
-  glm_scale_uni(t3, 3);
-  ASSERTIFY(test_assert_mat4_eq(t3, t5))
-
-  TEST_SUCCESS
-}

test/src/test_affine.h

@@ -0,0 +1,634 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "test_common.h"
+
+TEST_IMPL(GLM_PREFIX, translate) {
+  mat4 m1;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(translate)(m1, (vec3){13.0f, 11.0f, 7.0f});
+  glm_mat4_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 14.0f))
+  ASSERT(test_eq(v2[1], 13.0f))
+  ASSERT(test_eq(v2[2], 10.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(translate)(m1, (vec3){1.0f, -1.0f, -5.0f});
+  glm_mat4_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 15.0f))
+  ASSERT(test_eq(v2[1], 12.0f))
+  ASSERT(test_eq(v2[2], 5.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate_to) {
+  mat4 m1, m2;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(translate_to)(m1, (vec3){13.0f, 11.0f, 7.0f}, m2);
+  glm_mat4_mulv(m2, v1, v2);
+
+  ASSERT(test_eq(v2[0], 14.0f))
+  ASSERT(test_eq(v2[1], 13.0f))
+  ASSERT(test_eq(v2[2], 10.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(translate_to)(m1, (vec3){1.0f, -1.0f, -5.0f}, m2);
+  glm_mat4_mulv(m2, v2, v2);
+
+  ASSERT(test_eq(v2[0], 15.0f))
+  ASSERT(test_eq(v2[1], 12.0f))
+  ASSERT(test_eq(v2[2], 5.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate_x) {
+  mat4 m1;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(translate_x)(m1, 13.0f);
+  glm_mat4_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 14.0f))
+  ASSERT(test_eq(v2[1], 2.0f))
+  ASSERT(test_eq(v2[2], 3.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(translate_x)(m1, -1.0f);
+  glm_mat4_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 13.0f))
+  ASSERT(test_eq(v2[1], 2.0f))
+  ASSERT(test_eq(v2[2], 3.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate_y) {
+  mat4 m1;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(translate_y)(m1, 11.0f);
+  glm_mat4_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 1.0f))
+  ASSERT(test_eq(v2[1], 13.0f))
+  ASSERT(test_eq(v2[2], 3.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(translate_y)(m1, -1.0f);
+  glm_mat4_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 1.0f))
+  ASSERT(test_eq(v2[1], 12.0f))
+  ASSERT(test_eq(v2[2], 3.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate_z) {
+  mat4 m1;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(translate_z)(m1, 7.0f);
+  glm_mat4_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 1.0f))
+  ASSERT(test_eq(v2[1], 2.0f))
+  ASSERT(test_eq(v2[2], 10.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(translate_z)(m1, -5.0f);
+  glm_mat4_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 1.0f))
+  ASSERT(test_eq(v2[1], 2.0f))
+  ASSERT(test_eq(v2[2], 5.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate_make) {
+  mat4 m1;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(translate_make)(m1, (vec3){13.0f, 11.0f, 7.0f});
+  glm_mat4_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 14.0f))
+  ASSERT(test_eq(v2[1], 13.0f))
+  ASSERT(test_eq(v2[2], 10.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(translate_make)(m1, (vec3){1.0f, -1.0f, -5.0f});
+  glm_mat4_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 15.0f))
+  ASSERT(test_eq(v2[1], 12.0f))
+  ASSERT(test_eq(v2[2], 5.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, scale_to) {
+  mat4 m1, m2;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(scale_to)(m1, (vec3){13.0f, 11.0f, 7.0f}, m2);
+  glm_mat4_mulv(m2, v1, v2);
+
+  ASSERT(test_eq(v2[0], 13.0f))
+  ASSERT(test_eq(v2[1], 22.0f))
+  ASSERT(test_eq(v2[2], 21.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(scale_to)(m1, (vec3){1.0f, -1.0f, -5.0f}, m2);
+  glm_mat4_mulv(m2, v2, v2);
+
+  ASSERT(test_eq(v2[0],  13.0f))
+  ASSERT(test_eq(v2[1], -22.0f))
+  ASSERT(test_eq(v2[2], -105.0f))
+  ASSERT(test_eq(v2[3],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, scale_make) {
+  mat4 m1;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  GLM(scale_make)(m1, (vec3){13.0f, 11.0f, 7.0f});
+  glm_mat4_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 13.0f))
+  ASSERT(test_eq(v2[1], 22.0f))
+  ASSERT(test_eq(v2[2], 21.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  GLM(scale_make)(m1, (vec3){1.0f, -1.0f, -5.0f});
+  glm_mat4_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0],  13.0f))
+  ASSERT(test_eq(v2[1], -22.0f))
+  ASSERT(test_eq(v2[2], -105.0f))
+  ASSERT(test_eq(v2[3],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, scale) {
+  mat4 m1;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(scale)(m1, (vec3){13.0f, 11.0f, 7.0f});
+  glm_mat4_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 13.0f))
+  ASSERT(test_eq(v2[1], 22.0f))
+  ASSERT(test_eq(v2[2], 21.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(scale)(m1, (vec3){1.0f, -1.0f, -5.0f});
+  glm_mat4_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0],  13.0f))
+  ASSERT(test_eq(v2[1], -22.0f))
+  ASSERT(test_eq(v2[2], -105.0f))
+  ASSERT(test_eq(v2[3],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, scale_uni) {
+  mat4 m1;
+  vec4 v1 = {1.0f, 2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat4_identity(m1);
+  GLM(scale_uni)(m1, 13.0f);
+  glm_mat4_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 13.0f))
+  ASSERT(test_eq(v2[1], 26.0f))
+  ASSERT(test_eq(v2[2], 39.0f))
+  ASSERT(test_eq(v2[3], 1.0f))
+
+  glm_mat4_identity(m1);
+  GLM(scale_uni)(m1, -5.0f);
+  glm_mat4_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], -65.0f))
+  ASSERT(test_eq(v2[1], -130.0f))
+  ASSERT(test_eq(v2[2], -195.0f))
+  ASSERT(test_eq(v2[3],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate_x) {
+  mat4   m1 = GLM_MAT4_IDENTITY_INIT;
+  vec4   v1 = {0.0f, 1.0f, 0.0f, 1.0f}, v2 = {0.0f, 1.0f, 0.0f, 1.0f};
+
+  GLM(rotate_x)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], 0.0f))
+  ASSERT(test_eq(v1[1], 0.0f))
+  ASSERT(test_eq(v1[2], 1.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate_x)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  0.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate_x)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2], -1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate_y) {
+  mat4   m1 = GLM_MAT4_IDENTITY_INIT;
+  vec4   v1 = {1.0f, 0.0f, 0.0f, 1.0f}, v2 = {1.0f, 0.0f, 0.0f, 1.0f};
+
+  GLM(rotate_y)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2], -1.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate_y)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], -1.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2],  0.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate_y)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], 0.0f))
+  ASSERT(test_eq(v1[1], 0.0f))
+  ASSERT(test_eq(v1[2], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate_z) {
+  mat4   m1 = GLM_MAT4_IDENTITY_INIT;
+  vec4   v1 = {0.0f, 1.0f, 0.0f, 1.0f}, v2 = {0.0f, 1.0f, 0.0f, 1.0f};
+
+  GLM(rotate_z)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], -1.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2],  0.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate_z)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  0.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate_z)(m1, GLM_PI_2f, m1);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], 1.0f))
+  ASSERT(test_eq(v1[1], 0.0f))
+  ASSERT(test_eq(v1[2], 0.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate_make) {
+  mat4   m1 = GLM_MAT4_IDENTITY_INIT;
+  vec4   v1 = {1.0f, 0.0f, 0.0f, 1.0f};
+
+  /* rotate X around Y = -Z */
+  GLM(rotate_make)(m1, GLM_PI_2f, GLM_YUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2], -1.0f))
+
+  /* rotate -Z around X = Y */
+  GLM(rotate_make)(m1, GLM_PI_2f, GLM_XUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  1.0f))
+  ASSERT(test_eq(v1[2],  0.0f))
+
+  /* rotate Y around X = +Z */
+  GLM(rotate_make)(m1, GLM_PI_2f, GLM_XUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate) {
+  mat4 m1 = GLM_MAT4_IDENTITY_INIT, m2 = GLM_MAT4_IDENTITY_INIT;
+  vec4 v1 = {1.0f, 0.0f, 0.0f, 1.0f};
+
+  /* 360 deg */
+  glm_rotate(m1, GLM_PI_2f, GLM_YUP);
+  glm_rotate(m1, GLM_PI_2f, GLM_YUP);
+  glm_rotate(m1, GLM_PI_2f, GLM_YUP);
+  glm_rotate(m1, GLM_PI_2f, GLM_YUP);
+  ASSERTIFY(test_assert_mat4_eq(m1, m2))
+
+  /* rotate X around Y = -Z */
+  GLM(rotate)(m1, GLM_PI_2f, GLM_YUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2], -1.0f))
+
+  glm_mat4_identity(m1);
+
+  /* rotate -Z around X = Y */
+  GLM(rotate)(m1, GLM_PI_2f, GLM_XUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  1.0f))
+  ASSERT(test_eq(v1[2],  0.0f))
+
+  glm_mat4_identity(m1);
+
+  /* rotate Y around X = +Z */
+  GLM(rotate)(m1, GLM_PI_2f, GLM_XUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate_at) {
+  mat4 m1 = GLM_MAT4_IDENTITY_INIT;
+  vec4 v1 = {1.0f, 0.0f, 0.0f, 1.0f};
+
+  GLM(rotate_at)(m1, (vec3){0.5f, 0.0f, 0.0f}, GLM_PI_2f, GLM_YUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.5f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2], -0.5f))
+
+  glm_mat4_identity(m1);
+
+  GLM(rotate_at)(m1, GLM_VEC3_ZERO, GLM_PI_2f, GLM_ZUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.5f))
+  ASSERT(test_eq(v1[2], -0.5f))
+
+  glm_mat4_identity(m1);
+
+  v1[0] = 1.0f;
+  v1[1] = 1.0f;
+  v1[2] = 1.0f;
+
+  GLM(rotate_at)(m1, GLM_VEC3_ZERO, GLM_PI_2f, GLM_XUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  1.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate_atm) {
+  mat4 m1 = GLM_MAT4_IDENTITY_INIT;
+  vec4 v1 = {1.0f, 0.0f, 0.0f, 1.0f};
+
+  GLM(rotate_atm)(m1, (vec3){0.5f, 0.0f, 0.0f}, GLM_PI_2f, GLM_YUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.5f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2], -0.5f))
+
+  GLM(rotate_atm)(m1, GLM_VEC3_ZERO, GLM_PI_2f, GLM_ZUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1],  0.5f))
+  ASSERT(test_eq(v1[2], -0.5f))
+
+  v1[0] = 1.0f;
+  v1[1] = 1.0f;
+  v1[2] = 1.0f;
+
+  GLM(rotate_atm)(m1, GLM_VEC3_ZERO, GLM_PI_2f, GLM_XUP);
+  glm_mat4_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  1.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, decompose_scalev) {
+  mat4 m1;
+  vec3 s1;
+
+  GLM(scale_make)(m1, (vec3){7.0f, 8.0f, 9.0f});
+  GLM(decompose_scalev)(m1, s1);
+
+  ASSERT(test_eq(s1[0], 7.0f))
+  ASSERT(test_eq(s1[1], 8.0f))
+  ASSERT(test_eq(s1[2], 9.0f))
+
+  GLM(scale)(m1, (vec3){7.0f, 8.0f, 9.0f});
+  GLM(decompose_scalev)(m1, s1);
+
+  ASSERT(test_eq(s1[0], 49.0f))
+  ASSERT(test_eq(s1[1], 64.0f))
+  ASSERT(test_eq(s1[2], 81.0f))
+
+  glm_rotate(m1, GLM_PI_4f, (vec3){23.0f, 45.0f, 66.0f});
+  ASSERT(test_eq(s1[0], 49.0f))
+  ASSERT(test_eq(s1[1], 64.0f))
+  ASSERT(test_eq(s1[2], 81.0f))
+
+  glm_translate(m1, (vec3){4.0f, 5.0f, 6.0f});
+  ASSERT(test_eq(s1[0], 49.0f))
+  ASSERT(test_eq(s1[1], 64.0f))
+  ASSERT(test_eq(s1[2], 81.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, uniscaled) {
+  mat4 m1;
+
+  GLM(scale_make)(m1, (vec3){7.0f, 8.0f, 9.0f});
+  ASSERT(!GLM(uniscaled)(m1))
+
+  GLM(scale_make)(m1, (vec3){7.0f, 7.0f, 7.0f});
+  ASSERT(GLM(uniscaled)(m1))
+
+  glm_rotate(m1, GLM_PI_4f, (vec3){23.0f, 45.0f, 66.0f});
+  ASSERT(GLM(uniscaled)(m1))
+
+  glm_translate(m1, (vec3){4.0f, 5.0f, 6.0f});
+  ASSERT(GLM(uniscaled)(m1))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, decompose_rs) {
+  mat4 m1, m2, r;
+  vec3 s1;
+
+  GLM(scale_make)(m1, (vec3){7.0f, 8.0f, 9.0f});
+  GLM(decompose_rs)(m1, r, s1);
+
+  ASSERT(test_eq(s1[0], 7.0f))
+  ASSERT(test_eq(s1[1], 8.0f))
+  ASSERT(test_eq(s1[2], 9.0f))
+  ASSERTIFY(test_assert_mat4_eq_identity(r));
+
+  GLM(scale)(m1, (vec3){7.0f, 8.0f, 9.0f});
+  GLM(decompose_rs)(m1, r, s1);
+
+  ASSERT(test_eq(s1[0], 49.0f))
+  ASSERT(test_eq(s1[1], 64.0f))
+  ASSERT(test_eq(s1[2], 81.0f))
+  ASSERTIFY(test_assert_mat4_eq_identity(r));
+
+  glm_rotate(m1, GLM_PI_4f, (vec3){23.0f, 45.0f, 66.0f});
+  ASSERT(test_eq(s1[0], 49.0f))
+  ASSERT(test_eq(s1[1], 64.0f))
+  ASSERT(test_eq(s1[2], 81.0f))
+  GLM(decompose_rs)(m1, r, s1);
+
+  glm_mat4_identity(m2);
+  glm_mat4_mul(m2, r, m2);
+  glm_scale(m2, s1);
+
+  ASSERTIFY(test_assert_mat4_eq2(m1, m2, 0.00001f));
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, decompose) {
+  mat4 m1, m2, r;
+  vec4 t;
+  vec3 s;
+
+  GLM(scale_make)(m1, (vec3){7.0f, 8.0f, 9.0f});
+  GLM(decompose)(m1, t, r, s);
+
+  ASSERT(test_eq(s[0], 7.0f))
+  ASSERT(test_eq(s[1], 8.0f))
+  ASSERT(test_eq(s[2], 9.0f))
+  ASSERTIFY(test_assert_mat4_eq_identity(r));
+
+  GLM(scale)(m1, (vec3){7.0f, 8.0f, 9.0f});
+  GLM(decompose)(m1, t, r, s);
+
+  ASSERT(test_eq(s[0], 49.0f))
+  ASSERT(test_eq(s[1], 64.0f))
+  ASSERT(test_eq(s[2], 81.0f))
+  ASSERTIFY(test_assert_mat4_eq_identity(r));
+
+  glm_rotate(m1, GLM_PI_4f, (vec3){23.0f, 45.0f, 66.0f});
+  ASSERT(test_eq(s[0], 49.0f))
+  ASSERT(test_eq(s[1], 64.0f))
+  ASSERT(test_eq(s[2], 81.0f))
+  GLM(decompose)(m1, t, r, s);
+
+  glm_mat4_identity(m2);
+  glm_mat4_mul(m2, r, m2);
+  glm_scale(m2, s);
+
+  ASSERTIFY(test_assert_mat4_eq2(m1, m2, 0.00001f));
+
+  glm_mat4_identity(m1);
+  glm_translate(m1, (vec3){56.0f, 13.0f, 90.0f});
+  glm_rotate(m1, GLM_PI_4f, (vec3){23.0f, 45.0f, 66.0f});
+  glm_scale(m1, (vec3){12.0f, 34.0f, 23.0f});
+
+  GLM(decompose)(m1, t, r, s);
+
+  ASSERT(test_eq(t[0], 56.0f))
+  ASSERT(test_eq(t[1], 13.0f))
+  ASSERT(test_eq(t[2], 90.0f))
+
+  ASSERT(test_eq(s[0], 12.0f))
+  ASSERT(test_eq(s[1], 34.0f))
+  ASSERT(test_eq(s[2], 23.0f))
+
+  glm_mat4_identity(m2);
+  glm_translate(m2, t);
+  glm_mat4_mul(m2, r, m2);
+  glm_scale(m2, s);
+  ASSERTIFY(test_assert_mat4_eq2(m1, m2, 0.00001f));
+
+  TEST_SUCCESS
+}

test/src/test_affine2d.h

@@ -0,0 +1,310 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "test_common.h"
+
+TEST_IMPL(GLM_PREFIX, translate2d) {
+  mat3 m1;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat3_identity(m1);
+  GLM(translate2d)(m1, (vec2){13.0f, 11.0f});
+  glm_mat3_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 15.0f))
+  ASSERT(test_eq(v2[1], 14.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  glm_mat3_identity(m1);
+  GLM(translate2d)(m1, (vec2){1.0f, -1.0f});
+  glm_mat3_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 16.0f))
+  ASSERT(test_eq(v2[1], 13.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate2d_to) {
+  mat3 m1, m2;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat3_identity(m1);
+  GLM(translate2d_to)(m1, (vec2){13.0f, 11.0f}, m2);
+  glm_mat3_mulv(m2, v1, v2);
+
+  ASSERT(test_eq(v2[0], 15.0f))
+  ASSERT(test_eq(v2[1], 14.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  glm_mat3_identity(m1);
+  GLM(translate2d_to)(m1, (vec2){1.0f, -1.0f}, m2);
+  glm_mat3_mulv(m2, v2, v2);
+
+  ASSERT(test_eq(v2[0], 16.0f))
+  ASSERT(test_eq(v2[1], 13.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate2d_x) {
+  mat3 m1;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat3_identity(m1);
+  GLM(translate2d_x)(m1, 13.0f);
+  glm_mat3_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 15.0f))
+  ASSERT(test_eq(v2[1], 3.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  glm_mat3_identity(m1);
+  GLM(translate2d_x)(m1, -1.0f);
+  glm_mat3_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 14.0f))
+  ASSERT(test_eq(v2[1], 3.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate2d_y) {
+  mat3 m1;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat3_identity(m1);
+  GLM(translate2d_y)(m1, 11.0f);
+  glm_mat3_mulv(m1, v1, v2);
+  
+
+  ASSERT(test_eq(v2[0], 2.0f))
+  ASSERT(test_eq(v2[1], 14.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  glm_mat3_identity(m1);
+  GLM(translate2d_y)(m1, -1.0f);
+  glm_mat3_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 2.0f))
+  ASSERT(test_eq(v2[1], 13.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+  
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, translate2d_make) {
+  mat3 m1;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat3_identity(m1);
+  GLM(translate2d_make)(m1, (vec2){13.0f, 11.0f});
+  glm_mat3_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 15.0f))
+  ASSERT(test_eq(v2[1], 14.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  glm_mat3_identity(m1);
+  GLM(translate2d_make)(m1, (vec2){-1.0f, -5.0f});
+  glm_mat3_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], 14.0f))
+  ASSERT(test_eq(v2[1], 9.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, scale2d_to) {
+  mat3 m1, m2;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat3_identity(m1);
+  GLM(scale2d_to)(m1, (vec2){13.0f, 11.0f}, m2);
+  glm_mat3_mulv(m2, v1, v2);
+
+  ASSERT(test_eq(v2[0], 26.0f))
+  ASSERT(test_eq(v2[1], 33.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  glm_mat3_identity(m1);
+  GLM(scale2d_to)(m1, (vec2){-1.0f, -5.0f}, m2);
+  glm_mat3_mulv(m2, v2, v2);
+
+  ASSERT(test_eq(v2[0], -26.0f))
+  ASSERT(test_eq(v2[1], -165.0f))
+  ASSERT(test_eq(v2[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, scale2d_make) {
+  mat3 m1;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  GLM(scale2d_make)(m1, (vec2){13.0f, 11.0f});
+  glm_mat3_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 26.0f))
+  ASSERT(test_eq(v2[1], 33.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  GLM(scale2d_make)(m1, (vec3){-1.0f, -5.0f});
+  glm_mat3_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], -26.0f))
+  ASSERT(test_eq(v2[1], -165.0f))
+  ASSERT(test_eq(v2[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, scale2d) {
+  mat3 m1;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat3_identity(m1);
+  GLM(scale2d)(m1, (vec2){13.0f, 11.0f});
+  glm_mat3_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 26.0f))
+  ASSERT(test_eq(v2[1], 33.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  glm_mat3_identity(m1);
+  GLM(scale2d)(m1, (vec2){-1.0f, -5.0f});
+  glm_mat3_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], -26.0f))
+  ASSERT(test_eq(v2[1], -165.0f))
+  ASSERT(test_eq(v2[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, scale2d_uni) {
+  mat3 m1;
+  vec3 v1 = {2.0f, 3.0f, 1.0f}, v2;
+
+  glm_mat3_identity(m1);
+  GLM(scale2d_uni)(m1, 13.0f);
+  glm_mat3_mulv(m1, v1, v2);
+
+  ASSERT(test_eq(v2[0], 26.0f))
+  ASSERT(test_eq(v2[1], 39.0f))
+  ASSERT(test_eq(v2[2], 1.0f))
+
+  glm_mat3_identity(m1);
+  GLM(scale2d_uni)(m1, -5.0f);
+  glm_mat3_mulv(m1, v2, v2);
+
+  ASSERT(test_eq(v2[0], -130.0f))
+  ASSERT(test_eq(v2[1], -195.0f))
+  ASSERT(test_eq(v2[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate2d_make) {
+  mat3 m1 = GLM_MAT3_IDENTITY_INIT;
+  vec3 v1 = {0.0f, 1.0f, 1.0f}, v2 = {0.0f, 1.0f, 1.0f};
+
+  GLM(rotate2d_make)(m1, GLM_PI_2f);
+  glm_mat3_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], -1.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+  
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate2d_make)(m1, -GLM_PI_2f);
+  glm_mat3_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  1.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate2d_make)(m1, GLM_PIf);
+  glm_mat3_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate2d) {
+  mat3 m1 = GLM_MAT3_IDENTITY_INIT;
+  vec3 v1 = {0.0f, 1.0f, 1.0f}, v2 = {0.0f, 1.0f, 1.0f};
+
+  GLM(rotate2d)(m1, GLM_PI_2f);
+  glm_mat3_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], -1.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+  
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate2d)(m1, GLM_PI_2f);
+  glm_mat3_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate2d)(m1, GLM_PI_2f);
+  glm_mat3_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], 1.0f))
+  ASSERT(test_eq(v1[1], 0.0f))
+  ASSERT(test_eq(v1[2], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, rotate2d_to) {
+  mat3 m1 = GLM_MAT3_IDENTITY_INIT, m2;
+  vec3 v1 = {0.0f, 1.0f, 1.0f}, v2 = {0.0f, 1.0f, 1.0f};
+
+  GLM(rotate2d_to)(m1, GLM_PI_2f, m1);
+  glm_mat3_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], -1.0f))
+  ASSERT(test_eq(v1[1],  0.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+  
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate2d_to)(m1, GLM_PI_2f, m2);
+  glm_mat3_mulv(m2, v1, v1);
+
+  ASSERT(test_eq(v1[0],  0.0f))
+  ASSERT(test_eq(v1[1], -1.0f))
+  ASSERT(test_eq(v1[2],  1.0f))
+
+  glm_vec3_copy(v2, v1);
+
+  GLM(rotate2d_to)(m2, GLM_PI_2f, m1);
+  glm_mat3_mulv(m1, v1, v1);
+
+  ASSERT(test_eq(v1[0], 1.0f))
+  ASSERT(test_eq(v1[1], 0.0f))
+  ASSERT(test_eq(v1[2], 1.0f))
+
+  TEST_SUCCESS
+}

test/src/test_affine_mat.h

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "test_common.h"
+
+TEST_IMPL(GLM_PREFIX, mul) {
+  mat4 m1 = GLM_MAT4_IDENTITY_INIT;
+  mat4 m2 = GLM_MAT4_IDENTITY_INIT;
+  mat4 m3;
+  mat4 m4 = GLM_MAT4_ZERO_INIT;
+  int  i, j, k;
+
+  test_rand_mat4(m1);
+  test_rand_mat4(m2);
+
+  GLM(mul)(m1, m2, m3);
+  for (i = 0; i < 4; i++) {
+    for (j = 0; j < 4; j++) {
+      for (k = 0; k < 4; k++)
+        /* column-major */
+        m4[i][j] += m1[k][j] * m2[i][k];
+    }
+  }
+
+  ASSERTIFY(test_assert_mat4_eq(m3, m4))
+
+  /* test pre compiled */
+  GLM(mul)(m1, m2, m3);
+  ASSERTIFY(test_assert_mat4_eq(m3, m4))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mul_rot) {
+  mat4 m1 = GLM_MAT4_IDENTITY_INIT;
+  mat4 m2 = GLM_MAT4_IDENTITY_INIT;
+  mat4 m3;
+  mat4 m4 = GLM_MAT4_ZERO_INIT;
+  int  i, j, k;
+
+  glm_rotate(m1, drand48(), (vec3){drand48(), drand48(), drand48()});
+  glm_rotate(m2, drand48(), (vec3){drand48(), drand48(), drand48()});
+
+  GLM(mul_rot)(m1, m2, m3);
+  for (i = 0; i < 4; i++) {
+    for (j = 0; j < 4; j++) {
+      for (k = 0; k < 4; k++)
+        /* column-major */
+        m4[i][j] += m1[k][j] * m2[i][k];
+    }
+  }
+
+  ASSERTIFY(test_assert_mat4_eq(m3, m4))
+
+  /* test pre compiled */
+  GLM(mul_rot)(m1, m2, m3);
+  ASSERTIFY(test_assert_mat4_eq(m3, m4))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, inv_tr) {
+  mat4 m1, m2;
+  int  i;
+
+  for (i = 0; i < 10000; i++) {
+    test_rand_mat4(m1);
+
+    glm_mat4_copy(m1, m2);
+
+    /* test inverse precise */
+    GLM(inv_tr)(m1);
+    GLM(inv_tr)(m1);
+    ASSERTIFY(test_assert_mat4_eq(m1, m2))
+
+    /* test inverse precise */
+    GLM(mat4_inv)(m1, m2);
+    GLM(inv_tr)(m2);
+    ASSERTIFY(test_assert_mat4_eq(m1, m2))
+  }
+
+  TEST_SUCCESS
+}

test/src/test_cam.c

@@ -35,9 +35,9 @@ TEST_IMPL(camera_decomp) {
   farVal  = 100.0f;
 
   glm_perspective(fovy, aspect, nearVal, farVal, proj);
-  ASSERT(fabsf(aspect  - glm_persp_aspect(proj)) < FLT_EPSILON)
+  ASSERT(fabsf(aspect  - glm_persp_aspect(proj)) < GLM_FLT_EPSILON)
-  ASSERT(fabsf(fovy    - glm_persp_fovy(proj))   < FLT_EPSILON)
+  ASSERT(fabsf(fovy    - glm_persp_fovy(proj))   < GLM_FLT_EPSILON)
-  ASSERT(fabsf(49.984f - glm_deg(glm_persp_fovy(proj))) < FLT_EPSILON)
+  ASSERT(fabsf(49.984f - glm_deg(glm_persp_fovy(proj))) < GLM_FLT_EPSILON)
 
   glm_persp_sizes(proj, fovy, sizes);
 

test/src/test_camera.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "test_common.h"
+
+TEST_IMPL(GLM_PREFIX, frustum) {
+  mat4  proj;
+  vec4  vp = {0.0f, 0.0f, 800.0f, 600.0f};
+  float left, right, top, bottom, znear, zfar;
+  
+  znear  =  0.1f;
+  zfar   =  100.0f;
+  left   = -100.0f;
+  right  =  100.0f;
+  bottom = -100.0f;
+  top    =  100.0f;
+  
+  GLM(frustum)(left, right, bottom, top, znear, zfar, proj);
+  
+  ASSERT(test_eq(proj[0][1], 0.0f))
+  ASSERT(test_eq(proj[0][2], 0.0f))
+  ASSERT(test_eq(proj[0][3], 0.0f))
+
+  ASSERT(test_eq(proj[1][0], 0.0f))
+  ASSERT(test_eq(proj[1][2], 0.0f))
+  ASSERT(test_eq(proj[1][3], 0.0f))
+
+  ASSERT(test_eq(proj[2][3], -1.0f))
+
+  ASSERT(test_eq(proj[3][0], 0.0f))
+  ASSERT(test_eq(proj[3][1], 0.0f))
+  ASSERT(test_eq(proj[3][3], 0.0f))
+
+  vec4  v1 = {1.0f, 20.0f, znear};
+  vec4  v2 = {1.0f, 20.0f, zfar};
+  vec4  v3, v4;
+
+  /* perspective test */
+  GLM(mat4_mulv)(proj, v1, v3);
+  GLM(project)(v3, proj, vp, v3);
+  
+  ASSERT(v3[0] > v1[0])
+  ASSERT(v3[1] > v1[1])
+  
+  GLM(mat4_mulv)(proj, v2, v4);
+  GLM(project)(v4, proj, vp, v4);
+  
+  ASSERT(v4[0] < v3[0])
+  ASSERT(v4[1] < v3[1])
+  
+  /* not infinity */
+  ASSERT(!GLM(vec4_isinf)(proj[0]))
+  ASSERT(!GLM(vec4_isinf)(proj[1]))
+  ASSERT(!GLM(vec4_isinf)(proj[2]))
+  ASSERT(!GLM(vec4_isinf)(proj[3]))
+  
+  /* not NaN */
+  ASSERT(!GLM(vec4_isnan)(proj[0]))
+  ASSERT(!GLM(vec4_isnan)(proj[1]))
+  ASSERT(!GLM(vec4_isnan)(proj[2]))
+  ASSERT(!GLM(vec4_isnan)(proj[3]))
+
+  TEST_SUCCESS
+}

test/src/test_common.c

@@ -14,10 +14,10 @@ test_rand_mat4(mat4 dest) {
   dest[3][0] = drand48();
   dest[3][1] = drand48();
   dest[3][2] = drand48();
-  
+
   /* random rotatation around random axis with random angle */
   glm_rotate(dest, drand48(), (vec3){drand48(), drand48(), drand48()});
-  
+
   /* random scale */
   /* glm_scale(dest, (vec3){drand48(), drand48(), drand48()}); */
 }
@@ -31,6 +31,14 @@ test_rand_mat3(mat3 dest) {
   glm_mat4_pick3(m4, dest);
 }
 
+void
+test_rand_mat2(mat2 dest) {
+  dest[0][0] = drand48();
+  dest[0][1] = drand48();
+  dest[1][0] = drand48();
+  dest[1][1] = drand48();
+}
+
 void
 test_rand_vec3(vec3 dest) {
   dest[0] = drand48();
@@ -39,7 +47,7 @@ test_rand_vec3(vec3 dest) {
 }
 
 vec3s
-test_rand_vec3s() {
+test_rand_vec3s(void) {
   vec3s r;
   test_rand_vec3(r.raw);
   return r;
@@ -54,7 +62,7 @@ test_rand_vec4(vec4 dest) {
 }
 
 vec4s
-test_rand_vec4s() {
+test_rand_vec4s(void) {
   vec4s r;
   test_rand_vec4(r.raw);
   return r;
@@ -73,68 +81,119 @@ test_rand_quat(versor q) {
 
 test_status_t
 test_assert_mat4_eq(mat4 m1, mat4 m2) {
-  int i, j, k;
+  int i, j;
 
   for (i = 0; i < 4; i++) {
     for (j = 0; j < 4; j++) {
-      for (k = 0; k < 4; k++)
+      ASSERT(fabsf(m1[i][j] - m2[i][j]) <= 0.0000009)
-        ASSERT(fabsf(m1[i][j] - m2[i][j]) <= 0.0000009)
     }
   }
-  
+
   TEST_SUCCESS
 }
 
 test_status_t
 test_assert_mat4_eqt(mat4 m1, mat4 m2) {
-  int i, j, k;
+  int i, j;
 
   for (i = 0; i < 4; i++) {
     for (j = 0; j < 4; j++) {
-      for (k = 0; k < 4; k++)
+      ASSERT(fabsf(m1[j][i] - m2[i][j]) <= 0.0000009)
-        ASSERT(fabsf(m1[j][i] - m2[i][j]) <= 0.0000009)
     }
   }
-  
+
   TEST_SUCCESS
 }
 
 test_status_t
 test_assert_mat4_eq2(mat4 m1, mat4 m2, float eps) {
-  int i, j, k;
+  int i, j;
-  
+
   for (i = 0; i < 4; i++) {
     for (j = 0; j < 4; j++) {
-      for (k = 0; k < 4; k++)
+      ASSERT(fabsf(m1[i][j] - m2[i][j]) <= eps);
-        ASSERT(fabsf(m1[i][j] - m2[i][j]) <= eps);
     }
   }
-  
+
+  TEST_SUCCESS
+}
+
+test_status_t
+test_assert_mat2_eqt(mat2 m1, mat2 m2) {
+  int i, j;
+
+  for (i = 0; i < 2; i++) {
+    for (j = 0; j < 2; j++) {
+      ASSERT(fabsf(m1[j][i] - m2[i][j]) <= 0.0000009);
+    }
+  }
+
+  TEST_SUCCESS
+}
+
+test_status_t
+test_assert_mat2_eq(mat2 m1, mat2 m2) {
+  int i, j;
+
+  for (i = 0; i < 2; i++) {
+    for (j = 0; j < 2; j++) {
+      ASSERT(fabsf(m1[i][j] - m2[i][j]) <= 0.0000009);
+    }
+  }
+
+  TEST_SUCCESS
+}
+
+test_status_t
+test_assert_mat2_eq_identity(mat2 m2) {
+  int i, j;
+
+  for (i = 0; i < 2; i++) {
+    for (j = 0; j < 2; j++) {
+      if (i == j) {
+        ASSERT(test_eq(m2[i][j], 1.0f))
+      } else {
+        ASSERT(test_eq(m2[i][j], 0.0f))
+      }
+    }
+  }
+
+  TEST_SUCCESS
+}
+
+test_status_t
+test_assert_mat2_eq_zero(mat2 m2) {
+  int i, j;
+
+  for (i = 0; i < 2; i++) {
+    for (j = 0; j < 2; j++) {
+      ASSERT(test_eq(m2[i][j], 0.0f))
+    }
+  }
+
   TEST_SUCCESS
 }
 
 test_status_t
 test_assert_mat3_eq(mat3 m1, mat3 m2) {
-  int i, j, k;
+  int i, j;
 
   for (i = 0; i < 3; i++) {
     for (j = 0; j < 3; j++) {
-      for (k = 0; k < 3; k++)
+      ASSERT(fabsf(m1[i][j] - m2[i][j]) <= 0.0000009);
-        ASSERT(fabsf(m1[i][j] - m2[i][j]) <= 0.0000009);
     }
   }
-  
+
   TEST_SUCCESS
 }
 
 test_status_t
 test_assert_mat3_eqt(mat3 m1, mat3 m2) {
-  int i, j, k;
+  int i, j;
 
   for (i = 0; i < 3; i++) {
     for (j = 0; j < 3; j++) {
-      for (k = 0; k < 3; k++)
+      ASSERT(fabsf(m1[j][i] - m2[i][j]) <= 0.0000009);
-        ASSERT(fabsf(m1[j][i] - m2[i][j]) <= 0.0000009);
     }
   }
 
@@ -204,7 +263,15 @@ test_assert_mat4_eq_zero(mat4 m4) {
 test_status_t
 test_assert_eqf(float a, float b) {
   ASSERT(fabsf(a - b) <= 0.000009); /* rounding errors */
-  
+
+  TEST_SUCCESS
+}
+
+test_status_t
+test_assert_vec2_eq(vec2 v1, vec2 v2) {
+  ASSERT(fabsf(v1[0] - v2[0]) <= 0.000009); /* rounding errors */
+  ASSERT(fabsf(v1[1] - v2[1]) <= 0.000009);
+
   TEST_SUCCESS
 }
 
@@ -213,14 +280,14 @@ test_assert_vec3_eq(vec3 v1, vec3 v2) {
   ASSERT(fabsf(v1[0] - v2[0]) <= 0.000009); /* rounding errors */
   ASSERT(fabsf(v1[1] - v2[1]) <= 0.000009);
   ASSERT(fabsf(v1[2] - v2[2]) <= 0.000009);
-  
+
   TEST_SUCCESS
 }
 
 test_status_t
 test_assert_vec3s_eq(vec3s v1, vec3s v2) {
   test_assert_vec3_eq(v1.raw, v2.raw);
-  
+
   TEST_SUCCESS
 }
 
@@ -230,14 +297,14 @@ test_assert_vec4_eq(vec4 v1, vec4 v2) {
   ASSERT(fabsf(v1[1] - v2[1]) <= 0.000009);
   ASSERT(fabsf(v1[2] - v2[2]) <= 0.000009);
   ASSERT(fabsf(v1[3] - v2[3]) <= 0.000009);
-  
+
   TEST_SUCCESS
 }
 
 test_status_t
 test_assert_vec4s_eq(vec4s v1, vec4s v2) {
   test_assert_vec4_eq(v1.raw, v2.raw);
-  
+
   TEST_SUCCESS
 }
 
@@ -247,7 +314,7 @@ test_assert_quat_eq_abs(versor v1, versor v2) {
   ASSERT(fabsf(fabsf(v1[1]) - fabsf(v2[1])) <= 0.0009);
   ASSERT(fabsf(fabsf(v1[2]) - fabsf(v2[2])) <= 0.0009);
   ASSERT(fabsf(fabsf(v1[3]) - fabsf(v2[3])) <= 0.0009);
-  
+
   TEST_SUCCESS
 }
 
@@ -257,7 +324,7 @@ test_assert_quat_eq(versor v1, versor v2) {
   ASSERT(fabsf(v1[1] - v2[1]) <= 0.000009);
   ASSERT(fabsf(v1[2] - v2[2]) <= 0.000009);
   ASSERT(fabsf(v1[3] - v2[3]) <= 0.000009);
-  
+
   TEST_SUCCESS
 }
 

test/src/test_common.h

@@ -16,6 +16,9 @@ test_rand_mat4(mat4 dest);
 void
 test_rand_mat3(mat3 dest);
 
+void
+test_rand_mat2(mat2 dest);
+
 test_status_t
 test_assert_eqf(float a, float b);
 
@@ -34,9 +37,24 @@ test_assert_mat4_eq_identity(mat4 m4);
 test_status_t
 test_assert_mat4_eq_zero(mat4 m4);
 
+test_status_t
+test_assert_mat2_eqt(mat2 m1, mat2 m2);
+
+test_status_t
+test_assert_mat2_eq(mat2 m1, mat2 m2);
+
+test_status_t
+test_assert_mat2_eq_identity(mat2 m2);
+
+test_status_t
+test_assert_mat2_eq_zero(mat2 m2);
+
 test_status_t
 test_assert_mat3_eq(mat3 m1, mat3 m2);
 
+test_status_t
+test_assert_vec2_eq(vec2 v1, vec2 v2);
+
 test_status_t
 test_assert_mat3_eqt(mat3 m1, mat3 m2);
 
@@ -88,7 +106,7 @@ test_rand_quat(versor q);
 CGLM_INLINE
 bool
 test_eq(float a, float b) {
-  return fabsf(a - b) <= 1e-6;
+  return fabsf(a - b) <= GLM_FLT_EPSILON * 10;
 }
 
 CGLM_INLINE

test/src/test_mat2.h

@@ -0,0 +1,286 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "test_common.h"
+
+#define A_MATRIX2x2 {{1,2},{5,6}}
+
+#ifndef CGLM_TEST_MAT2_ONCE
+#define CGLM_TEST_MAT2_ONCE
+
+TEST_IMPL(MACRO_GLM_MAT2_IDENTITY_INIT) {
+  mat2 m = GLM_MAT2_IDENTITY_INIT;
+  
+  ASSERT(test_eq(m[0][0], 1.0f))
+  ASSERT(test_eq(m[0][1], 0.0f))
+  ASSERT(test_eq(m[1][0], 0.0f))
+  ASSERT(test_eq(m[1][1], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(MACRO_GLM_MAT2_ZERO_INIT) {  
+  mat2 m = GLM_MAT2_ZERO_INIT;
+  
+  ASSERT(test_eq(m[0][0], 0.0f))
+  ASSERT(test_eq(m[0][1], 0.0f))
+  ASSERT(test_eq(m[1][0], 0.0f))
+  ASSERT(test_eq(m[1][1], 0.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(MACRO_GLM_MAT2_IDENTITY) {
+  ASSERT(test_eq(GLM_MAT2_IDENTITY[0][0], 1.0f))
+  ASSERT(test_eq(GLM_MAT2_IDENTITY[0][1], 0.0f))
+  ASSERT(test_eq(GLM_MAT2_IDENTITY[1][0], 0.0f))
+  ASSERT(test_eq(GLM_MAT2_IDENTITY[1][1], 1.0f))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(MACRO_GLM_MAT2_ZERO) {
+  ASSERT(test_eq(GLM_MAT2_ZERO[0][0], 0.0f))
+  ASSERT(test_eq(GLM_MAT2_ZERO[0][1], 0.0f))
+  ASSERT(test_eq(GLM_MAT2_ZERO[1][0], 0.0f))
+  ASSERT(test_eq(GLM_MAT2_ZERO[1][1], 0.0f))
+
+  TEST_SUCCESS
+}
+
+#endif /* CGLM_TEST_MAT2_ONCE */
+
+TEST_IMPL(GLM_PREFIX, mat2_copy) {
+  mat2 m1 = A_MATRIX2x2;
+  mat2 m2 = GLM_MAT2_IDENTITY_INIT;
+
+  GLM(mat2_copy)(m1, m2);
+
+  test_assert_mat2_eq(m1, m2);
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_identity) {
+  mat2 m1 = GLM_MAT2_IDENTITY_INIT;
+  mat2 m2 = GLM_MAT2_IDENTITY_INIT;
+  mat2 m3;
+
+  GLM(mat2_identity)(m3);
+
+  ASSERTIFY(test_assert_mat2_eq_identity(m1))
+  ASSERTIFY(test_assert_mat2_eq_identity(m2))
+  ASSERTIFY(test_assert_mat2_eq_identity(m3))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_identity_array) {
+  int i, count;
+  mat2 matrices[4] = {
+    A_MATRIX2x2,
+    A_MATRIX2x2,
+    A_MATRIX2x2,
+    A_MATRIX2x2
+  };
+
+  count = 4;
+
+  GLM(mat2_identity_array)(matrices, count);
+
+  for (i = 0; i < count; i++) {
+    ASSERTIFY(test_assert_mat2_eq_identity(matrices[i]))
+  }
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_zero) {
+  mat2 m1 = GLM_MAT2_ZERO_INIT;
+  mat2 m2 = GLM_MAT2_ZERO_INIT;
+  mat2 m3;
+
+  GLM(mat2_zero)(m3);
+
+  ASSERTIFY(test_assert_mat2_eq_zero(m1))
+  ASSERTIFY(test_assert_mat2_eq_zero(m2))
+  ASSERTIFY(test_assert_mat2_eq_zero(m3))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_mul) {
+  mat2 m1 = GLM_MAT2_IDENTITY_INIT;
+  mat2 m2 = GLM_MAT2_IDENTITY_INIT;
+  mat2 m3;
+  mat2 m4 = GLM_MAT2_ZERO_INIT;
+  int  i, j, k;
+
+  /* test random matrices */
+  /* random matrices */
+  test_rand_mat2(m1);
+  test_rand_mat2(m2);
+
+  GLM(mat2_mul)(m1, m2, m3);
+  for (i = 0; i < 2; i++) {
+    for (j = 0; j < 2; j++) {
+      for (k = 0; k < 2; k++)
+        /* column-major */
+        m4[i][j] += m1[k][j] * m2[i][k];
+    }
+  }
+
+  ASSERTIFY(test_assert_mat2_eq(m3, m4))
+
+  /* test pre compiled */
+  GLM(mat2_mul)(m1, m2, m3);
+  ASSERTIFY(test_assert_mat2_eq(m3, m4))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_transpose_to) {
+  mat2 mat = A_MATRIX2x2;
+  mat2 m1;
+
+  GLM(mat2_transpose_to)(mat, m1);
+
+  ASSERTIFY(test_assert_mat2_eqt(mat, m1))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_transpose) {
+  mat2 mat = A_MATRIX2x2;
+  mat2 m1;
+
+  GLM(mat2_copy)(mat, m1);
+  GLM(mat2_transpose)(m1);
+
+  ASSERTIFY(test_assert_mat2_eqt(mat, m1))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_mulv) {
+  vec2 res;
+  mat2 mat = A_MATRIX2x2;
+  vec2 v = {11.0f, 21.0f};
+  int  i;
+
+  GLM(mat2_mulv)(mat, v, res);
+
+  for (i = 0; i < 2; i++) {
+    ASSERT(test_eq(res[i], v[0] * mat[0][i] + v[1] * mat[1][i]))
+  }
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_trace) {
+  mat2  mat = A_MATRIX2x2;
+  float trace;
+
+  trace = GLM(mat2_trace)(mat);
+
+  ASSERT(test_eq(trace, mat[0][0] + mat[1][1]))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_scale) {
+  mat2 m1 = A_MATRIX2x2;
+  mat2 m2 = A_MATRIX2x2;
+  int i, j, scale;
+
+  scale = rand() % 100;
+
+  GLM(mat2_scale)(m1, (float)scale);
+
+  for (i = 0; i < 2; i++) {
+    for (j = 0; j < 2; j++) {
+      ASSERT(test_eq(m1[i][j], m2[i][j] * scale))
+    }
+  }
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_det) {
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_inv) {
+  mat2 m1 = GLM_MAT2_IDENTITY_INIT;
+  mat2 m2 = GLM_MAT2_IDENTITY_INIT;
+  mat2 m3;
+  int  i;
+
+  m1[0][0] = 41.0f;
+  m1[0][1] = 0.0f;
+  m1[1][0] = 0.0f;
+  m1[1][1] = 70.0f;
+
+  for (i = 0; i < 10000; i++) {
+    /* test inverse precise */
+    GLM(mat2_inv)(m1, m2);
+    GLM(mat2_inv)(m2, m3);
+    
+    ASSERTIFY(test_assert_mat2_eq(m1, m3))
+  }
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_swap_col) {
+  mat2 m1 = A_MATRIX2x2;
+  mat2 m2 = A_MATRIX2x2;
+
+  GLM(mat2_swap_col)(m1, 0, 1);
+
+  ASSERTIFY(test_assert_vec2_eq(m1[0], m2[1]))
+  ASSERTIFY(test_assert_vec2_eq(m1[1], m2[0]))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_swap_row) {
+  mat2 m1 = A_MATRIX2x2;
+  mat2 m2 = A_MATRIX2x2;
+
+  GLM(mat2_swap_row)(m1, 0, 1);
+
+  ASSERT(test_eq(m1[0][0], m2[0][1]))
+  ASSERT(test_eq(m1[0][1], m2[0][0]))
+
+  ASSERT(test_eq(m1[1][0], m2[1][1]))
+  ASSERT(test_eq(m1[1][1], m2[1][0]))
+
+  TEST_SUCCESS
+}
+
+TEST_IMPL(GLM_PREFIX, mat2_rmc) {
+  mat2  mat = A_MATRIX2x2;
+  vec2  v   = {11.0f, 12.0f};
+  vec2  v1;
+  float r1, r2;
+  int   i;
+
+  r1 = GLM(mat2_rmc)(v, mat, v);
+
+  for (i = 0; i < 2; i++) {
+    v1[i] = v[0] * mat[i][0] + v[1] * mat[i][1];
+  }
+
+  r2 = v[0] * v1[0] + v[1] * v1[1];
+
+  ASSERT(test_eq(r1, r2))
+
+  TEST_SUCCESS
+}
+
+#undef A_MATRIX2x2

test/src/test_mat3.c

@@ -1,26 +0,0 @@
-/*
- * Copyright (c), Recep Aslantas.
- *
- * MIT License (MIT), http://opensource.org/licenses/MIT
- * Full license can be found in the LICENSE file
- */
-
-/* test inline mat3 */
-
-#define GLM_PREFIX glm_
-#define GLM(X) (glm_ ## X)
-
-#include "test_mat3.h"
-
-#undef GLM
-#undef GLM_PREFIX
-
-/* test pre-compiled mat3 */
-
-#define GLM_PREFIX glmc_
-#define GLM(X) (glmc_ ## X)
-
-#include "test_mat3.h"
-
-#undef GLM
-#undef GLM_PREFIX

test/src/test_mat3.h

@@ -307,3 +307,5 @@ TEST_IMPL(GLM_PREFIX, mat3_rmc) {
 
   TEST_SUCCESS
 }
+
+#undef A_MATRIX

test/src/test_mat4.c

@@ -1,26 +0,0 @@
-/*
- * Copyright (c), Recep Aslantas.
- *
- * MIT License (MIT), http://opensource.org/licenses/MIT
- * Full license can be found in the LICENSE file
- */
-
-/* test inline mat4 */
-
-#define GLM_PREFIX glm_
-#define GLM(X) (glm_ ## X)
-
-#include "test_mat4.h"
-
-#undef GLM
-#undef GLM_PREFIX
-
-/* test pre-compiled mat4 */
-
-#define GLM_PREFIX glmc_
-#define GLM(X) (glmc_ ## X)
-
-#include "test_mat4.h"
-
-#undef GLM
-#undef GLM_PREFIX

test/src/test_mat4.h

@@ -483,3 +483,6 @@ TEST_IMPL(GLM_PREFIX, mat4_rmc) {
 
   TEST_SUCCESS
 }
+
+#undef A_MATRIX
+#undef A_MATRIX3