doc/api/a00188_source.html

 #pragma once
 #include "../detail/type_mat4x4.hpp"

 namespace glm
 {

     typedef mat<4, 4, float, defaultp>          mat4x4;

     typedef mat<4, 4, float, defaultp>          mat4;

 }//namespace glm
glm::mat4
mat< 4, 4, float, defaultp > mat4
4 columns of 4 components matrix of single-precision floating-point numbers.
Definition: matrix_float4x4.hpp:20

glm
Definition: common.hpp:20

glm::mat4x4
mat< 4, 4, float, defaultp > mat4x4
4 columns of 4 components matrix of single-precision floating-point numbers.
Definition: matrix_float4x4.hpp:15