public override int GetHashCode(CEdge cedge)
{
CPoint frcpt;
CPoint tocpt;
CCmpMethods.GetCpts(cedge, true, out frcpt, out tocpt);
var x1 = Convert.ToInt64(frcpt.X * CConstants.dblRationVerySmallFclipper);
var y1 = Convert.ToInt64(frcpt.Y * CConstants.dblRationVerySmallFclipper);
var x2 = Convert.ToInt64(tocpt.X * CConstants.dblRationVerySmallFclipper);
var y2 = Convert.ToInt64(tocpt.Y * CConstants.dblRationVerySmallFclipper);
return(Tuple.Create(x1, y1, x2, y2).GetHashCode());
}
