// gcd.cc --- Implement a gcd algorithm for a general// polynomial type.  Also, implement a gcd for polynomials with real// coefficients, truncating coefficients as necessary to avoid// roundoff problems.//// Copyright 2004 by Todd K. Moon// Permission is granted to use this program/data// for educational/research only#include <math.h>#include "polynomialT.h"// Function definition: gcdtemplate <class T> voidgcd(const polynomialT<T> &a, const polynomialT<T> &b, polynomialT<T> &g,	polynomialT<T> &s, polynomialT<T> &t, int rdeg){   // fill in the blanks ...}