146     CvQuadEdge2D *quadedge = (CvQuadEdge2D *) (edge & ~3);  in cvSubdiv2DSetEdgePoints()  local
152     if( !quadedge )  in cvSubdiv2DSetEdgePoints()
155     quadedge->pt[edge & 3] = org_pt;  in cvSubdiv2DSetEdgePoints()
156     quadedge->pt[(edge + 2) & 3] = dst_pt;  in cvSubdiv2DSetEdgePoints()
166     CvQuadEdge2D *quadedge = (CvQuadEdge2D *) (edge & ~3);  in cvSubdiv2DDeleteEdge()  local
172     if( !subdiv || !quadedge )  in cvSubdiv2DDeleteEdge()
182     cvSetRemoveByPtr( (CvSet*)(subdiv->edges), quadedge );  in cvSubdiv2DDeleteEdge()
592         CvQuadEdge2D *quadedge = (CvQuadEdge2D *) reader.ptr;  in cvClearSubdivVoronoi2D()  local
594         quadedge->pt[1] = quadedge->pt[3] = 0;  in cvClearSubdivVoronoi2D()
657         CvQuadEdge2D *quadedge = (CvQuadEdge2D *) (reader.ptr);  in cvCalcSubdivVoronoi2D()  local
659         if( CV_IS_SET_ELEM( quadedge ))  in cvCalcSubdivVoronoi2D()
661             CvSubdiv2DEdge edge0 = (CvSubdiv2DEdge) quadedge, edge1, edge2;  in cvCalcSubdivVoronoi2D()
666             if( !quadedge->pt[3] )  in cvCalcSubdivVoronoi2D()
680                     quadedge->pt[3] =  in cvCalcSubdivVoronoi2D()
686             if( !quadedge->pt[1] )  in cvCalcSubdivVoronoi2D()
701                     quadedge->pt[1] =  in cvCalcSubdivVoronoi2D()