art_warn ("*** bottoms (%.16f, %.16f) of %08x and (%.16f, %.16f) of %08x out of order\n",
last->x[1], last->y1, (unsigned long)last,
seg->x[1], seg->y1, (unsigned long)seg);
art_warn ("*** bottoms (%.16f, %.16f) of %08x and (%.16f, %.16f) of %08x out of order\n",
last->x[1], last->y1, (unsigned long)last,
seg->x[1], seg->y1, (unsigned long)seg);