530 #define M(row,col)  m[col*4+row]  in gl_Frustum()  macro
531    M(0,0) = x;     M(0,1) = 0.0F;  M(0,2) = a;      M(0,3) = 0.0F;  in gl_Frustum()
532    M(1,0) = 0.0F;  M(1,1) = y;     M(1,2) = b;      M(1,3) = 0.0F;  in gl_Frustum()
533    M(2,0) = 0.0F;  M(2,1) = 0.0F;  M(2,2) = c;      M(2,3) = d;  in gl_Frustum()
534    M(3,0) = 0.0F;  M(3,1) = 0.0F;  M(3,2) = -1.0F;  M(3,3) = 0.0F;  in gl_Frustum()
535 #undef M  in gl_Frustum()
569 #define M(row,col)  m[col*4+row]  in gl_Ortho()  macro
570    M(0,0) = x;     M(0,1) = 0.0F;  M(0,2) = 0.0F;  M(0,3) = tx;  in gl_Ortho()
571    M(1,0) = 0.0F;  M(1,1) = y;     M(1,2) = 0.0F;  M(1,3) = ty;  in gl_Ortho()
572    M(2,0) = 0.0F;  M(2,1) = 0.0F;  M(2,2) = z;     M(2,3) = tz;  in gl_Ortho()
573    M(3,0) = 0.0F;  M(3,1) = 0.0F;  M(3,2) = 0.0F;  M(3,3) = 1.0F;  in gl_Ortho()
574 #undef M  in gl_Ortho()
755 #define M(row,col)  m[col*4+row]  in gl_LoadMatrixf()  macro
756             c = M(2,2);  in gl_LoadMatrixf()
757             d = M(2,3);  in gl_LoadMatrixf()
758 #undef M  in gl_LoadMatrixf()
836 #define M(row,col)  m[col*4+row]  in gl_rotation_matrix()  macro
902    M(0,0) = (one_c * xx) + c;  in gl_rotation_matrix()
903    M(0,1) = (one_c * xy) - zs;  in gl_rotation_matrix()
904    M(0,2) = (one_c * zx) + ys;  in gl_rotation_matrix()
905    M(0,3) = 0.0F;  in gl_rotation_matrix()
907    M(1,0) = (one_c * xy) + zs;  in gl_rotation_matrix()
908    M(1,1) = (one_c * yy) + c;  in gl_rotation_matrix()
909    M(1,2) = (one_c * yz) - xs;  in gl_rotation_matrix()
910    M(1,3) = 0.0F;  in gl_rotation_matrix()
912    M(2,0) = (one_c * zx) - ys;  in gl_rotation_matrix()
913    M(2,1) = (one_c * yz) + xs;  in gl_rotation_matrix()
914    M(2,2) = (one_c * zz) + c;  in gl_rotation_matrix()
915    M(2,3) = 0.0F;  in gl_rotation_matrix()
917    M(3,0) = 0.0F;  in gl_rotation_matrix()
918    M(3,1) = 0.0F;  in gl_rotation_matrix()
919    M(3,2) = 0.0F;  in gl_rotation_matrix()
920    M(3,3) = 1.0F;  in gl_rotation_matrix()
922 #undef M  in gl_rotation_matrix()