71     int check_slice( CvPoint StartPt, CvPoint EndPt,
166 int CV_ApproxPolyTest::check_slice( CvPoint StartPt, CvPoint EndPt,  in check_slice()  argument
194     dx = (double)StartPt.x - (double)EndPt.x;  in check_slice()
195     dy = (double)StartPt.y - (double)EndPt.y;  in check_slice()
218 … else dist = sqrt( (double)(EndPt.y - Pt.y)*(EndPt.y - Pt.y) + (EndPt.x - Pt.x)*(EndPt.x - Pt.x) );  in check_slice()
235     CvPoint StartPt, EndPt;  in check()  local
253         CV_READ_SEQ_ELEM( EndPt, SrcReader );  in check()
255         if( StartPt.x == EndPt.x && StartPt.y == EndPt.y ) break;  in check()
262         EndPt.x = StartPt.x;  in check()
263         EndPt.y = StartPt.y;  in check()
267         TotalErrors += check_slice( StartPt, EndPt, &SrcReader, Eps, &j, Count );  in check()