+ out->m[0][0] = in[0][0];
+ out->m[1][0] = in[0][1];
+ out->m[2][0] = in[0][2];
+ out->m[3][0] = in[0][3];
+ out->m[0][1] = in[1][0];
+ out->m[1][1] = in[1][1];
+ out->m[2][1] = in[1][2];
+ out->m[3][1] = in[1][3];
+ out->m[0][2] = in[2][0];
+ out->m[1][2] = in[2][1];
+ out->m[2][2] = in[2][2];
+ out->m[3][2] = in[2][3];
+ out->m[0][3] = in[3][0];
+ out->m[1][3] = in[3][1];
+ out->m[2][3] = in[3][2];
+ out->m[3][3] = in[3][3];