Lines Matching refs:dy0
470 double dy0 = out_corners[last_row].y - out_corners[0].y;
471 if( dy0 < 0 )
508 float prevt = 0, dx0 = b.x - a.x, dy0 = b.y - a.y;
509 if( fabs(dx0) + fabs(dy0) < FLT_EPSILON )
515 float t = ((c.x - a.x)*dx0 + (c.y - a.y)*dy0)/(dx0*dx0 + dy0*dy0);
