InvertPRMatrix(Matrix4x4 &,const Matrix4x4 &) definition InvertPRSMatrix(Matrix4x4 &,const Matrix4x4 &) definition NormalizePRSMatrix(Matrix4x4 &,Point &,const Matrix4x4 &) definition IceMaths Matrix4x4 true false pass by reference pass by reference pass by reference pass by reference pass by reference pass by reference Point true false pass by reference