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+# 🎥 OpenGL Mathematics (glm) for `C`
+
+The original glm library is for C++ only (templates, namespaces, classes...), this library targeted to C99 but currently you can use it for C89 safely by language extensions e.g `__register`
+
+
+<table>
+  <tbody>
+    <tr>
+      <td>
+        <div>Like some other graphics libraries (especially OpenGL) this library use Column-Major layout to keep matrices in the memory. </div>
+        <div>&nbsp;</div>
+        <div>In the future the library may support an option to use row-major layout, CURRENTLY if you need to row-major layout you will need to transpose it. </div>
+      </td>
+      <td>
+        <img src="https://upload.wikimedia.org/wikipedia/commons/3/3f/Matrix_Columns.svg" width="300px" />
+      </td>
+    </tr>
+  </tbody>
+</table>
+
+This library is header only so you dont need link to application. All functions are marked inline (always_inline) so compiler probably will inline all these functions
+
+Most of math functions are optimized manualy with SSE2 if available, if not? Dont worry there are non-sse versions of all operations
+
+Why manual? Because this will decrease *compile time* and some operations are faster than compiler optimization. 
+
+This library offers:
+
+- Simple usage
+- Small memory usage
+- Fast compiling time
+- The codes are small and more readable than C++ templates, metafuncs
+- Optimized operations with SIMD and non-SIMD
+- Small code size
+- All operations are inline (if compiler will do), no function call overhead
+- Chain matrix multiplication (square only)
+
+You can pass matrices and vectors as array to functions rather than get address. 
+
+```C
+  mat4 m = {
+    1, 0, 0, 0,
+    0, 1, 0, 0,
+    0, 0, 1, 0,
+    0, 0, 0, 1
+  };
+
+  glm_translate(m, (vec3){1.0f, 0.0f, 0.0f});
+```
+
+##License
+MIT. check the LICENSE file
+
+##Install
+Import the library to your include folder, thats it!
+
+##Notes
+
+- This library uses float types only, does not support Integers, Double... yet