public bool equals(TDNode other)
{
bool test = false;
if (other == null && p == null && s == null && t == null)
{
return(true);
}
else if (other == null)
{
return(false);
}
else
{
if (p != null && other.p != null && p.equals(other.p))
{
test = true;
}
if (s != null && other.s != null && s.equals(other.s))
{
test = true;
}
if (t != null && other.t != null && t.equals(other.t))
{
test = true;
}
if (type != other.getType())
{
test = false;
}
return(test);
}
}
public bool equals(TrapezoidFace other)
{
return(other == null?isEmpty() : ((top == null ? other.top == null : top.equals(other.top)) &&
(bottom == null ? other.bottom == null : bottom.equals(other.bottom)) &&
(leftp == null ? other.leftp == null : leftp.equals(other.leftp)) &&
(rightp == null ? other.rightp == null : rightp.equals(other.rightp)) &&
upperLeft == other.upperLeft &&
lowerLeft == other.lowerLeft &&
upperRight == other.upperRight &&
lowerRight == other.lowerRight));
}