2650     float radius1,radius2,dist1,dist2;  in _cvJoinChains()  local
2690         dist1=dist2=-1;  in _cvJoinChains()
2703                 dist1 = _cvCalcEdgeIntersection(pEdge1, pEdge_left, &Point1,radius1);  in _cvJoinChains()
2705                 dist1 = _cvCalcEdgeIntersection(pEdge2, pEdge_left, &Point1,radius1);  in _cvJoinChains()
2707             if(dist1>=0)  in _cvJoinChains()
2733         if(dist1<0&&dist2<0)  in _cvJoinChains()
2772         if(fabs(dist1 - dist2)<dist_eps)  in _cvJoinChains()
2832         if((dist1<dist2&&dist1>=0)||(dist1>=0&&dist2<0))  in _cvJoinChains()
2881         if((dist1>dist2&&dist2>=0)||(dist1<0&&dist2>=0))  in _cvJoinChains()
3085     float radius1, radius2,dist1, dist2;  in _cvFindOppositSiteCW()  local
3094         dist1=dist2=-1;  in _cvFindOppositSiteCW()
3098             dist1 = _cvCalcEdgeIntersection(pEdge, pEdge_left, &Point1,radius1);  in _cvFindOppositSiteCW()
3099             if(dist1>=0)  in _cvFindOppositSiteCW()
3105         if(dist2>=0 && dist1 >= dist2)  in _cvFindOppositSiteCW()
3112         if(dist1<0)  in _cvFindOppositSiteCW()
3140     double dist1, dist2;  in _cvFindOppositSiteCCW()  local
3150         dist1=dist2=-1;  in _cvFindOppositSiteCCW()
3154             dist1 = _cvCalcEdgeIntersection(pEdge, pEdge_right, &Point1,radius2);  in _cvFindOppositSiteCCW()
3155             if(dist1>=0)  in _cvFindOppositSiteCCW()
3161         if(dist2>=0 && dist1 > dist2)  in _cvFindOppositSiteCCW()
3168         if(dist1<0)  in _cvFindOppositSiteCCW()
3211     float radius1,radius2,dist1,dist2;  in _cvMergeVD()  local
3235         dist1=dist2=-1;  in _cvMergeVD()
3244             dist1 = _cvCalcEdgeIntersection(pEdge1, pEdge_left, &Point1,radius1);  in _cvMergeVD()
3245             if(dist1>=0)  in _cvMergeVD()
3263         if(dist1<0&&dist2<0)  in _cvMergeVD()
3266         if(fabs(dist1 - dist2)<dist_eps)  in _cvMergeVD()
3295         if((dist1<dist2&&dist1>=0)||(dist1>=0&&dist2<0))  in _cvMergeVD()
3317         if((dist1>dist2&&dist2>=0)||(dist1<0&&dist2>=0))  in _cvMergeVD()