polynomial operator *(const polynomial &p1, const polynomial &p2)
{
polynomial p3;
Iterator<polyterm> poly1, poly2;
Node<polyterm> newTerm;
poly1=p1.Begin();
while(poly1.GetNode()!=NULL)
{
poly2 = p2.Begin();
while(poly2.GetNode()!=NULL)
{
newTerm = *poly1.GetNode()* *poly2.GetNode();
p3.InsertSorted(new Node<polyterm>(newTerm));
poly2.Next();
}
poly1.Next();
}
return p3;
}
polynomial operator -(const polynomial &p1)
{
polynomial negated;
Iterator<polyterm> P = p1.Begin();
while(P.GetNode() != NULL)
{
Node<polyterm> negTerm = -(*P.GetNode());
negated.Append(negTerm.Copy());
P.Next();
}
return negated;
}