Lines Matching refs:dy0
658 double dx0, dy0; in cvConvexityDefects() local
671 dy0 = (double)hull_next->y - (double)hull_cur->y; in cvConvexityDefects()
672 assert( dx0 != 0 || dy0 != 0 ); in cvConvexityDefects()
673 scale = 1./sqrt(dx0*dx0 + dy0*dy0); in cvConvexityDefects()
694 double dist = fabs(-dy0*dx + dx0*dy) * scale; in cvConvexityDefects()
770 int dy0 = cur_pt->y - prev_pt->y; in cvCheckContourConvexity() local
784 dxdy0 = dx * dy0; in cvCheckContourConvexity()
800 dy0 = dy; in cvCheckContourConvexity()
811 float dy0 = cur_pt->y - prev_pt->y; in cvCheckContourConvexity() local
825 dxdy0 = dx * dy0; in cvCheckContourConvexity()
841 dy0 = dy; in cvCheckContourConvexity()