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