Normal classes: Vector4dC 4D Vector Matrix4dC 4 by 4 matrix of real values. VectorMatrix4dC 4D Vector matrix. Point4dC Point in 4D space. Normal functions: MulAdd(const TFMatrixC &,const TFVectorC &,const TFVectorC &,TFVectorC &) Mul(const TFMatrixC &,const TFVectorC &,TFVectorC &)