60     DXFVector & operator += (const DXFVector & rV);
61     DXFVector   operator +  (const DXFVector & rV) const;
62     DXFVector   operator -  (const DXFVector & rV) const;
65     DXFVector   operator *  (const DXFVector & rV) const;
68     double SProd(const DXFVector & rV) const;
81     bool operator == (const DXFVector & rV) const;
161 inline DXFVector & DXFVector::operator += (const DXFVector & rV)  in operator +=()  argument
163     fx+=rV.fx; fy+=rV.fy; fz+=rV.fz;  in operator +=()
168 inline DXFVector DXFVector::operator + (const DXFVector & rV) const  in operator +()
170     return DXFVector(fx+rV.fx, fy+rV.fy, fz+rV.fz);  in operator +()
174 inline DXFVector DXFVector::operator - (const DXFVector & rV) const  in operator -()
176     return DXFVector(fx-rV.fx, fy-rV.fy, fz-rV.fz);  in operator -()
180 inline DXFVector DXFVector::operator *  (const DXFVector & rV) const  in operator *()
183         fy * rV.fz - fz * rV.fy,  in operator *()
184         fz * rV.fx - fx * rV.fz,  in operator *()
185         fx * rV.fy - fy * rV.fx  in operator *()
190 inline double DXFVector::SProd(const DXFVector & rV) const  in SProd()
192     return fx*rV.fx + fy*rV.fy + fz*rV.fz;  in SProd()
209 inline bool DXFVector::operator == (const DXFVector & rV) const  in operator ==()
211     if (fx==rV.fx && fy==rV.fy && fz==rV.fz) return true;  in operator ==()