5 #include "../detail/type_mat4x4.hpp" 
   15         typedef mat<4, 4, float, defaultp>                      
mat4x4;
 
   20         typedef mat<4, 4, float, defaultp>                      
mat4;
 
mat< 4, 4, float, defaultp > mat4x4
4 columns of 4 components matrix of single-precision floating-point numbers. 
mat< 4, 4, float, defaultp > mat4
4 columns of 4 components matrix of single-precision floating-point numbers.