58     B2DVector& B2DVector::operator=( const B2DTuple& rVec )  in operator =()  argument
60         mfX = rVec.getX();  in operator =()
61         mfY = rVec.getY();  in operator =()
79     double B2DVector::scalar( const B2DVector& rVec ) const  in scalar()
81         return((mfX * rVec.mfX) + (mfY * rVec.mfY));  in scalar()
84     double B2DVector::cross( const B2DVector& rVec ) const  in cross()
86         return(mfX * rVec.getY() - mfY * rVec.getX());  in cross()
89     double B2DVector::angle( const B2DVector& rVec ) const  in angle()
91         return atan2(mfX * rVec.getY() - mfY * rVec.getX(),  in angle()
92             mfX * rVec.getX() + mfY * rVec.getY());  in angle()
173     B2DVector getNormalizedPerpendicular( const B2DVector& rVec )  in getNormalizedPerpendicular()  argument
175         B2DVector aPerpendicular(rVec);  in getNormalizedPerpendicular()
183     B2DVector operator*( const B2DHomMatrix& rMat, const B2DVector& rVec )  in operator *()  argument
185         B2DVector aRes( rVec );  in operator *()