// Multiply the matrix by another one and return the result in a separate matrix.
public static Perspective operator *(Perspective a, Affine b)
{
Perspective temp = a;
temp.multiply(b);
return(temp);
}
// Multiply inverse of "m" by "this" and assign the result to "this"
Perspective premultiply_inv(Affine m)
{
Perspective t = new Perspective(m);
t.invert();
Set(t.multiply(this));
return(this);
}
//------------------------------------------------------------------------
Perspective premultiply_inv(Perspective m)
{
Perspective t = m;
t.invert();
Set(t.multiply(this));
return(this);
}