Lines Matching refs:p_start
764 void icvGetCoefForPiece( CvPoint2D64d p_start,CvPoint2D64d p_end,
771 det = p_start.x*p_end.y+p_end.x+p_start.y-p_end.y-p_start.y*p_end.x-p_start.x;
778 detA = p_start.y - p_end.y;
779 detB = p_end.x - p_start.x;
780 detC = p_start.x*p_end.y - p_end.x*p_start.y;
1053 void icvGetCrossPieceDirect( CvPoint2D64d p_start,CvPoint2D64d p_end,
1058 if( (a*p_start.x + b*p_start.y + c) * (a*p_end.x + b*p_end.y + c) <= 0 )
1063 det = a * (p_end.x - p_start.x) + b * (p_end.y - p_start.y);
1067 if( fabs(a*p_start.x + b*p_start.y + c) < EPS64D )
1079 detxc = b*(p_end.y*p_start.x - p_start.y*p_end.x) + c*(p_start.x - p_end.x);
1080 detyc = a*(p_end.x*p_start.y - p_start.x*p_end.y) + c*(p_start.y - p_end.y);
