Lines Matching refs:dy
67 drawline(dx, dy, s) /* draw line from here to dx, dy using s */68 int dx, dy;85 yd = dy / DX;94 vgoto(ovpos + dy);144 vgoto(ovpos + dy);236 float dx, dy;239 dy = y2 - y1;240 return sqrt(dx*dx + dy*dy) + 0.5;