Lines Matching refs:dx
75 int x, y, t, dx, dy, incx, incy, pdx, pdy, ddx, ddy, es, el, err;
78 dx = xend - xstart;
82 incx = dx > 0 ? 1 : (dx < 0) ? -1 : 0;
84 if (dx < 0)
85 dx = -dx;
90 if (dx > dy) {
97 el = dx; /* Fehlerschritte schnell, langsam */
104 es = dx;