C++ library for OpenGL GLSL type-based mathematics

 OpenGL Mathematics (GLM) is a header only C++ mathematics library
 for graphics software based on the OpenGL Shading Language (GLSL)
 specification.
 .
 GLM provides classes and functions designed and implemented with the
 same naming conventions and functionality than GLSL so that anyone who
 knows GLSL, can use GLM as well in C++.
 .
 This project isn't limited to GLSL features. An extension system, based
 on the GLSL extension conventions, provides extended capabilities: matrix
 transformations, quaternions, data packing, random numbers, noise, etc...
 .
 This library works perfectly with OpenGL but it also ensures
 interoperability with other third party libraries and SDK. It is a
 good candidate for software rendering (raytracing / rasterisation),
 image processing, physics simulations and any development context that
 requires a simple and convenient mathematics library.