Lines Matching defs:dx0
658 double dx0, dy0;
670 dx0 = (double)hull_next->x - (double)hull_cur->x;
672 assert( dx0 != 0 || dy0 != 0 );
673 scale = 1./sqrt(dx0*dx0 + dy0*dy0);
694 double dist = fabs(-dy0*dx + dx0*dy) * scale;
769 int dx0 = cur_pt->x - prev_pt->x;
785 dydx0 = dy * dx0;
788 /*orient = -dy0 * dx + dx0 * dy;
799 dx0 = dx;
810 float dx0 = cur_pt->x - prev_pt->x;
826 dydx0 = dy * dx0;
829 /*orient = -dy0 * dx + dx0 * dy;
840 dx0 = dx;
