3642     CvDirection Direction_img;  in _cvLine_OpenParIntersection()  local
3644     _cvCalcVectorImage(&Direction_img,pDirection, InversParabola);  in _cvLine_OpenParIntersection()
3646     float c2 = pEdge2->parabola->a*Direction_img.x;  in _cvLine_OpenParIntersection()
3647     float c1 = -Direction_img.y;  in _cvLine_OpenParIntersection()
3648     float c0 = Direction_img.y* RayPoint1_img.x - Direction_img.x*RayPoint1_img.y;  in _cvLine_OpenParIntersection()
3655     int sign_x = SIGN(Direction_img.x);  in _cvLine_OpenParIntersection()
3656     int sign_y = SIGN(Direction_img.y);  in _cvLine_OpenParIntersection()
3751     CvDirection Direction_img;  in _cvLine_CloseParIntersection()  local
3753     _cvCalcVectorImage(&Direction_img,pDirection, InversParabola);  in _cvLine_CloseParIntersection()
3755     float c2 = pEdge2->parabola->a*Direction_img.x;  in _cvLine_CloseParIntersection()
3756     float c1 = -Direction_img.y;  in _cvLine_CloseParIntersection()
3757     float c0 = Direction_img.y* RayPoint1_img.x - Direction_img.x*RayPoint1_img.y;  in _cvLine_CloseParIntersection()
3767     int sign_x = SIGN(Direction_img.x);  in _cvLine_CloseParIntersection()
3768     int sign_y = SIGN(Direction_img.y);  in _cvLine_CloseParIntersection()
3894     CvDirection Direction_img;  in _cvPar_OpenLineIntersection()  local
3895     _cvCalcVectorImage(&Direction_img,pDirection, InversParabola);  in _cvPar_OpenLineIntersection()
3904     float c2 = pEdge1->parabola->a*Direction_img.x;  in _cvPar_OpenLineIntersection()
3905     float c1 = -Direction_img.y;  in _cvPar_OpenLineIntersection()
3906     float c0 = Direction_img.y* RayPoint1_img.x - Direction_img.x*RayPoint1_img.y;  in _cvPar_OpenLineIntersection()
3913     int sign_x = SIGN(Direction_img.x);  in _cvPar_OpenLineIntersection()
3914     int sign_y = SIGN(Direction_img.y);  in _cvPar_OpenLineIntersection()
3979     CvDirection Direction_img;  in _cvPar_CloseLineIntersection()  local
4000     _cvCalcVectorImage(&Direction_img,pDirection, InversParabola);  in _cvPar_CloseLineIntersection()
4002     float c2 = pEdge1->parabola->a*Direction_img.x;  in _cvPar_CloseLineIntersection()
4003     float c1 = -Direction_img.y;  in _cvPar_CloseLineIntersection()
4004     float c0 = Direction_img.y* RayPoint1_img.x - Direction_img.x*RayPoint1_img.y;  in _cvPar_CloseLineIntersection()
4135     CvDirection Direction_img;  in _cvPar_OpenParIntersection()  local
4136     _cvCalcVectorImage(&Direction_img,&Direction, InversParabola2);  in _cvPar_OpenParIntersection()
4141     float c2 = a2*Direction_img.x;  in _cvPar_OpenParIntersection()
4142     float c1 = -Direction_img.y;  in _cvPar_OpenParIntersection()
4143     float c0 = Direction_img.y* Point_img.x - Direction_img.x*Point_img.y;  in _cvPar_OpenParIntersection()
4275     CvDirection Direction_img;  in _cvPar_CloseParIntersection()  local
4276     _cvCalcVectorImage(&Direction_img,&Direction, InversParabola2);  in _cvPar_CloseParIntersection()
4281     float c2 = a2*Direction_img.x;  in _cvPar_CloseParIntersection()
4282     float c1 = -Direction_img.y;  in _cvPar_CloseParIntersection()
4283     float c0 = Direction_img.y* Point_img.x - Direction_img.x*Point_img.y;  in _cvPar_CloseParIntersection()