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#include <iostream> #include "function.h" // include definition of class Rational using namespace std; /*int gcd(int a, int b){ return (b == 0) ? a : gcd(b, a % b); }*/ Rational::Rational(int a, int b){ numerator=a; denominator=b; return; } void Rational::reduce(){ int w; if(gcd(numerator,denominator)!=1){ w=gcd(numerator,denominator); numerator /= w; denominator /= w; } if((numerator>0 && denominator<0) || (numerator<0 && denominator<0)){ numerator *= -1; denominator *= -1; } } void Rational::printRational () const{ cout<< numerator << "/" << denominator <<endl; return; } Rational Rational::multiplication( const Rational &d ) const{ int big,small; Rational x; x.numerator= numerator*d.numerator; x.denominator=denominator*d.denominator; x.reduce(); return x; } Rational Rational::addition( const Rational &d ) const{ int big,small; Rational x; x.numerator=numerator*d.denominator + d.numerator*denominator; x.denominator=denominator*d.denominator; x.reduce(); return x; }
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