Function matrix3x3to4x4
Converts 3x3 matrix to 4x4 matrix. 4x4 matrix defaults to identity
Example
Matrix3f m1 = matrixf(
1, 0, 0,
0, 1, 0,
0, 0, 1
);
Matrix4f m2 = matrix3x3to4x4(m1);
assert(m2 == matrixf(
1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1)
);