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// emacs edit mode for this file is -*- C++ -*-
// $Id$
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// #pragma implementation

#include "class.h"

template <class T>
Substitution<T>& Substitution<T>::operator= ( const Substitution<T>& f )
{
    if ( this != &f ) {
	_factor = f._factor;
	_exp = f._exp;
    }
    return *this;
}

template <class T>
Substitution<T>& Substitution<T>::operator= ( const T & f )
{
    _factor = f;
    _exp = 1;
    return *this;
}

template <class T>
int operator== ( const Substitution<T> &f1, const Substitution<T> &f2 )
{
    return (f1.exp() == f2.exp()) && (f1.factor() == f2.factor());
}

#ifndef NOSTREAMIO
template <class T>
void Substitution<T>::print ( OSTREAM& s ) const
{
	s << "(" << factor() << ")^" << exp();
}
#endif