/*  srosubsf.cpp  by K.Tsuru  */
// function ID = 707
/********************
SRational class
*********************/
#ifndef SN_H
#include "sn.h"
#endif
SRational& SRational::operator=(const SRational& a){
    if(this != &a){ //considering the case a = a
        num = a.num;    den = a.den;// a.den != 0 has been checked.
        reduceDone = a.reduceDone;
    }
    return *this;
}