message: Add some missing typedefs
diff: @@ -95,16 +95,25 @@ typedef quaternion<float> quat;
  typedef matrix<2, 2, float> mat2f;
  typedef matrix<2, 2, double> mat2d;
  typedef matrix<2, 2, float> mat2;
  +typedef matrix<2, 2, float> mat2x2f;
  +typedef matrix<2, 2, double> mat2x2d;
  +typedef matrix<2, 2, float> mat2x2;
  typedef matrix<3, 3, float> mat3f;
  typedef matrix<3, 3, double> mat3d;
  typedef matrix<3, 3, float> mat3;
  +typedef matrix<3, 3, float> mat3x3f;
  +typedef matrix<3, 3, double> mat3x3d;
  +typedef matrix<3, 3, float> mat3x3;
  typedef matrix<4, 4, float> mat4f;
  typedef matrix<4, 4, double> mat4d;
  typedef matrix<4, 4, float> mat4;
  +typedef matrix<4, 4, float> mat4x4f;
  +typedef matrix<4, 4, double> mat4x4d;
  +typedef matrix<4, 4, float> mat4x4;
  typedef basic_plane<3, int> plane3i;
  