public override int GetHashCode()
{
JenkinsHash hash = new JenkinsHash();
hash.Mixin(VectorHelper.GetX(p0).GetHashCode());
hash.Mixin(VectorHelper.GetY(p0).GetHashCode());
hash.Mixin(VectorHelper.GetX(p1).GetHashCode());
hash.Mixin(VectorHelper.GetY(p1).GetHashCode());
hash.Mixin(VectorHelper.GetX(p2).GetHashCode());
hash.Mixin(VectorHelper.GetY(p2).GetHashCode());
hash.Mixin(VectorHelper.GetX(p3).GetHashCode());
hash.Mixin(VectorHelper.GetY(p3).GetHashCode());
return(hash.GetValue());
}