drop pedantic from C Flags and allow extensions

this will also suppress warnings on test target

.gitignore

@@ -73,3 +73,5 @@ cglm-test-ios*
 test-driver
 Default-568h@2x.png
 build/
+conftest.dir/*
+confdefs.h

.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

@@ -1,8 +1,9 @@
 cmake_minimum_required(VERSION 3.8.2)
-project(cglm LANGUAGES C)
+project(cglm VERSION 0.7.6 LANGUAGES C)
 
-set(C_STANDARD 11)
+set(CMAKE_C_STANDARD 11)
-set(C_STANDARD_REQUIRED YES)
+set(CMAKE_C_STANDARD_REQUIRED YES)
+set(DEFAULT_BUILD_TYPE "Release")
 
 set(CGLM_BUILD)
 option(CGLM_SHARED "Shared build" ON)
@@ -22,124 +23,26 @@ endif()
 
 if(MSVC)
 	add_definitions(-DNDEBUG -D_WINDOWS -D_USRDLL -DCGLM_EXPORTS -DCGLM_DLL)
-	add_compile_options("/W3" "/Ox" "/Gy" "/Oi" "/TC" "/analyze")
+	add_compile_options(/W3 /Ox /Gy /Oi /TC)
 else()
-    add_compile_options("-Wall" "-Werror" "-std=gnu11" "-O3")
+  add_compile_options(-Wall -Werror -O3)
-    if ("${CMAKE_C_COMPILER_ID}" STREQUAL "Clang")
-		  # Currently, nothing special to be seen here.
-    else()
-		  add_compile_options("-Werror=strict-prototypes")
-    endif()
 endif()
 
-set(HEADERS
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
-  include/cglm/version.h
+  message(STATUS "Setting build type to '${DEFAULT_BUILD_TYPE}' as none was specified.")
-  include/cglm/common.h
+  set(CMAKE_BUILD_TYPE "${DEFAULT_BUILD_TYPE}" CACHE STRING "Choose the type of build." FORCE)
-  include/cglm/types.h
+  # Set the possible values of build type for cmake-gui
-  include/cglm/types-struct.h
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
-  include/cglm/cglm.h
+endif()
-  include/cglm/call.h
-  include/cglm/struct.h
-  include/cglm/cam.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
-  include/cglm/vec4-ext.h
-  include/cglm/euler.h
-  include/cglm/util.h
-  include/cglm/quat.h
-  include/cglm/affine-mat.h
-  include/cglm/plane.h
-  include/cglm/frustum.h
-  include/cglm/box.h
-  include/cglm/color.h
-  include/cglm/project.h
-  include/cglm/sphere.h
-  include/cglm/ease.h
-  include/cglm/curve.h
-  include/cglm/bezier.h
-  include/cglm/applesimd.h
-  include/cglm/ray.h
-  )
 
-set(HEADERS_CALL
+include(GNUInstallDirs)
-  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
-  include/cglm/call/io.h
-  include/cglm/call/cam.h
-  include/cglm/call/quat.h
-  include/cglm/call/euler.h
-  include/cglm/call/plane.h
-  include/cglm/call/frustum.h
-  include/cglm/call/box.h
-  include/cglm/call/project.h
-  include/cglm/call/sphere.h
-  include/cglm/call/ease.h
-  include/cglm/call/curve.h
-  include/cglm/call/bezier.h
-  include/cglm/call/ray.h
-  )
 
-set(HEADERS_SIMD
+set(CPACK_PROJECT_NAME ${PROJECT_NAME})
-  include/cglm/simd/intrin.h
+set(CPACK_PROJECT_VERSION ${PROJECT_VERSION})
-  include/cglm/simd/x86.h
+include(CPack)
-  include/cglm/simd/arm.h
-  )
 
-set(HEADERS_SIMD_SSE2
+# Target Start
-  include/cglm/simd/sse2/affine.h
+add_library(${PROJECT_NAME}
-  include/cglm/simd/sse2/mat4.h
-  include/cglm/simd/sse2/mat3.h
-  include/cglm/simd/sse2/mat2.h
-  include/cglm/simd/sse2/quat.h
-  )
-
-set(HEADERS_SIMD_AVX
-   include/cglm/simd/avx/mat4.h
-   include/cglm/simd/avx/affine.h
-   )
-
-set(HEADERS_SIMD_NEON
-   include/cglm/simd/neon/mat4.h
-   )
-
-set(HEADERS_STRUCT
-  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
-  include/cglm/struct/vec4-ext.h
-  include/cglm/struct/affine.h
-  include/cglm/struct/io.h
-  include/cglm/struct/cam.h
-  include/cglm/struct/quat.h
-  include/cglm/struct/euler.h
-  include/cglm/struct/plane.h
-  include/cglm/struct/frustum.h
-  include/cglm/struct/box.h
-  include/cglm/struct/project.h
-  include/cglm/struct/sphere.h
-  include/cglm/struct/color.h
-  include/cglm/struct/curve.h
-  )
-
-add_library(cglm
   ${CGLM_BUILD}
   src/euler.c
   src/affine.c
@@ -163,30 +66,42 @@ add_library(cglm
   src/ray.c
   )
 
-target_include_directories(cglm PUBLIC
+set_target_properties(${PROJECT_NAME} PROPERTIES
-  ${CMAKE_CURRENT_SOURCE_DIR}/include
+                              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
 )
 
-install(
-	TARGETS	cglm
-	EXPORT cglm
-	ARCHIVE DESTINATION lib/ COMPONENT development
-	LIBRARY DESTINATION lib/ COMPONENT runtime NAMELINK_SKIP
-	RUNTIME DESTINATION ${CMAKE_INSTALL_NAME_DIR} COMPONENT runtime
-)
-
-if(CGLM_SHARED)
-	install(
-		TARGETS	cglm
-		EXPORT cglm
-		LIBRARY DESTINATION include/ COMPONENT development NAMELINK_ONLY
-	)
-endif()
-
-INSTALL(DIRECTORY include/ DESTINATION include)
-
 # 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}
+        NAMESPACE   ${PROJECT_NAME}::
+        DESTINATION ${CMAKE_INSTALL_LIBDIR}/${PROJECT_NAME}/cmake)
+

Makefile.am

@@ -12,7 +12,6 @@ AM_CFLAGS = -Wall \
             -O3 \
             -Wstrict-aliasing=2 \
             -fstrict-aliasing \
-            -pedantic \
             -Werror=strict-prototypes
 
 lib_LTLIBRARIES = libcglm.la

README.md

@@ -179,6 +179,8 @@ target_link_libraries(${LIBRARY_NAME} PRIVATE
   cglm)
 
 add_subdirectory(external/cglm/)
+
+# or you can use find_package to configure cglm
 ```
 
 ### Unix (Autotools)

cglm.podspec

@@ -2,7 +2,7 @@ Pod::Spec.new do |s|
 
   # Description
   s.name         = "cglm"
-  s.version      = "0.6.1"
+  s.version      = "0.7.2"
   s.summary      = "📽 Optimized OpenGL/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.

configure.ac

@@ -7,7 +7,7 @@
 #*****************************************************************************
 
 AC_PREREQ([2.69])
-AC_INIT([cglm], [0.7.2], [info@recp.me])
+AC_INIT([cglm], [0.7.6], [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/build.rst

@@ -7,6 +7,46 @@ 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/)
+
 Unix (Autotools):
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/source/conf.py

@@ -62,9 +62,9 @@ author = u'Recep Aslantas'
 # built documents.
 #
 # The short X.Y version.
-version = u'0.7.2'
+version = u'0.7.6'
 # The full version, including alpha/beta/rc tags.
-release = u'0.7.2'
+release = u'0.7.6'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

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/opt.rst

@@ -50,3 +50,24 @@ 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**
+
+Inline prints are only enabled in DEBUG mode and if **CGLM_DEFINE_PRINTS** is defined.
+If DEBUG is not enabled then print function bodies will be emptied to eliminate print function calls.
+You can disable this feature too by defining **CGLM_NO_PRINTS_NOOP** macro top of cglm headers.
+
+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"

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?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

include/cglm/call/io.h

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

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>
@@ -34,4 +40,12 @@
 #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

@@ -17,67 +17,99 @@
 
 #ifndef cglm_io_h
 #define cglm_io_h
+#if defined(DEBUG) || defined(_DEBUG) \
+   || defined(CGLM_DEFINE_PRINTS) || defined(CGLM_LIB_SRC)
 
 #include "common.h"
 
 #include <stdio.h>
 #include <stdlib.h>
 
+#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"
+
 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) {
-  int i;
+  char buff[16];
-  int j;
+  int  i, j, cw[4], cwi;
 
 #define m 3
 #define n 3
 
-  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] = 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
@@ -87,27 +119,39 @@ CGLM_INLINE
 void
 glm_mat2_print(mat2              matrix,
                FILE * __restrict ostream) {
-  int i;
+  char buff[16];
-  int j;
+  int  i, j, cw[4], cwi;
 
 #define m 2
 #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
@@ -121,16 +165,16 @@ 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
 }
@@ -143,16 +187,16 @@ 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
 }
@@ -165,16 +209,12 @@ 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++) {
+  for (i = 0; i < m; i++)
-    fprintf(ostream, "%d", vec[i]);
+    fprintf(ostream, " % d", vec[i]);
 
-    if (i != m - 1)
+  fprintf(ostream, "  )" CGLM_PRINT_COLOR_RESET "\n\n");
-      fprintf(ostream, "\t");
-  }
-
-  fprintf(ostream, "|\n\n");
   
 #undef m
 }
@@ -187,16 +227,16 @@ glm_vec2_print(vec2              vec,
 
 #define m 2
 
-  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
 }
@@ -209,16 +249,17 @@ 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
 }
@@ -232,24 +273,43 @@ 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
 }
 
+#elif !defined(CGLM_NO_PRINTS_NOOP)
+
+#include "common.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+/* NOOP: Remove print from DEBUG */
+#define glm_mat4_print(...)
+#define glm_mat3_print(...)
+#define glm_mat2_print(...)
+#define glm_vec4_print(...)
+#define glm_vec3_print(...)
+#define glm_ivec3_print(...)
+#define glm_vec2_print(...)
+#define glm_versor_print(...)
+#define glm_aabb_print(...)
+
+#endif
 #endif /* cglm_io_h */

include/cglm/ray.h

@@ -29,7 +29,7 @@
  * @param[in] v1             second vertex of triangle
  * @param[in] v2             third vertex of triangle
  * @param[in, out] d         distance to intersection
- * @param[out] intersection  whether there is intersection
+ * @return whether there is intersection
  */
 
 CGLM_INLINE
@@ -46,34 +46,30 @@ glm_ray_triangle(vec3   origin,
 
   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 0;
+    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 0;
+    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 0;
+    return false;
 
   dist = inv_det * glm_vec3_dot(edge2, q);
 
   if (d)
-      *d = dist;
+    *d = dist;
 
   return dist > epsilon;
 }

include/cglm/struct/mat2.h

@@ -36,8 +36,8 @@
 #include "../types-struct.h"
 #include "../mat2.h"
 
-#define GLMS_MAT2_IDENTITY_INIT {1.0f, 0.0f, 0.0f, 1.0f}
+#define GLMS_MAT2_IDENTITY_INIT {GLM_MAT2_IDENTITY_INIT}
-#define GLMS_MAT2_ZERO_INIT     {0.0f, 0.0f, 0.0f, 0.0f}
+#define GLMS_MAT2_ZERO_INIT     {GLM_MAT2_ZERO_INIT}
 
 /* for C only */
 #define GLMS_MAT2_IDENTITY ((mat3s)GLMS_MAT2_IDENTITY_INIT)

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;
 }
 
 /*!

include/cglm/vec2-ext.h

@@ -61,8 +61,8 @@ glm_vec2_eq(vec2 v, float val) {
 CGLM_INLINE
 bool
 glm_vec2_eq_eps(vec2 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;
 }
 
 /*!
@@ -73,7 +73,7 @@ glm_vec2_eq_eps(vec2 v, float val) {
 CGLM_INLINE
 bool
 glm_vec2_eq_all(vec2 v) {
-  return v[0] == v[1];
+  return glm_vec2_eq_eps(v, v[0]);
 }
 
 /*!
@@ -97,8 +97,8 @@ glm_vec2_eqv(vec2 a, vec2 b) {
 CGLM_INLINE
 bool
 glm_vec2_eqv_eps(vec2 a, vec2 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;
 }
 
 /*!

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;
 }
 
 /*!

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;
 }
 
 /*!

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

@@ -10,6 +10,6 @@
 
 #define CGLM_VERSION_MAJOR 0
 #define CGLM_VERSION_MINOR 7
-#define CGLM_VERSION_PATCH 2
+#define CGLM_VERSION_PATCH 6
 
 #endif /* cglm_version_h */

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"
 

test/include/common.h

@@ -8,6 +8,14 @@
 #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
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -30,6 +38,8 @@ 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 +58,28 @@ 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/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.h

@@ -106,7 +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_struct.c

@@ -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
-*/
+ */
 
 #include "test_common.h"
 

test/src/tests.c

@@ -24,6 +24,7 @@
 #include "test_affine.h"
 #include "test_affine_mat.h"
 #include "test_ray.h"
+#include "test_camera.h"
 
 #undef GLM
 #undef GLM_PREFIX
@@ -46,6 +47,7 @@
 #include "test_affine.h"
 #include "test_affine_mat.h"
 #include "test_ray.h"
+#include "test_camera.h"
 
 #undef GLM
 #undef GLM_PREFIX

test/tests.h

@@ -199,6 +199,10 @@ TEST_DECLARE(glmc_mat2_rmc)
 TEST_DECLARE(camera_lookat)
 TEST_DECLARE(camera_decomp)
 
+TEST_DECLARE(glm_frustum)
+
+TEST_DECLARE(glmc_frustum)
+
 /* project */
 TEST_DECLARE(glm_unprojecti)
 TEST_DECLARE(glm_unproject)
@@ -890,6 +894,10 @@ TEST_LIST {
   TEST_ENTRY(camera_lookat)
   TEST_ENTRY(camera_decomp)
   
+  TEST_ENTRY(glm_frustum)
+  
+  TEST_ENTRY(glmc_frustum)
+  
   /* project */
   TEST_ENTRY(glm_unprojecti)
   TEST_ENTRY(glm_unproject)
@@ -992,6 +1000,7 @@ TEST_LIST {
   /* bezier */
   TEST_ENTRY(bezier)
 
+  /* vec2 */
   /* Macros */
 
   TEST_ENTRY(MACRO_GLM_VEC2_ONE_INIT)
@@ -1070,7 +1079,6 @@ TEST_LIST {
   TEST_ENTRY(glmc_vec2_lerp)
 
   /* vec3 */
-
   /* Macros */
 
   TEST_ENTRY(MACRO_GLM_VEC3_ONE_INIT)
@@ -1236,7 +1244,8 @@ TEST_LIST {
   TEST_ENTRY(glmc_vec3_sqrt)
 
   /* vec4 */
-  
+  /* Macros */
+
   TEST_ENTRY(MACRO_GLM_VEC4_ONE_INIT)
   TEST_ENTRY(MACRO_GLM_VEC4_ZERO_INIT)
   TEST_ENTRY(MACRO_GLM_VEC4_ONE)