Lines Matching defs:yd
71 int xd, yd;85 yd = dy / DX;87 numdots = abs (yd);89 motincr = DX * sgn (yd);98 if (yd == 0) {109 if (abs (xd) > abs (yd)) {110 val = slope = (float) xd/yd;116 perpincr = DX * sgn (yd);119 val = slope = (float) yd/xd;120 numdots = abs (yd);124 motincr = DX * sgn (yd);