First implemention of fraction

main
Micke Nordin 5 years ago
parent 6cba84bc5a
commit a5c5b1e955

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#include <iostream>
#include "fractions.hpp"
int main() {
int a = 7;
int b = 3;
int c = 1;
int d = 11;
fraction q(a,b);
fraction q2(c,d);
cout << a << "/" << b << '=' << q << endl;
cout << q << "+" << q2 << '=' << q + q2 << endl;
cout << q << "-" << q2 << '=' << q - q2 << endl;
cout << q << "*" << q2 << '=' << q * q2 << endl;
cout << q << "/" << q2 << '=' << q / q2 << endl;
return 0;
}

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#include <iostream>
using namespace std;
class fraction {
private:
int n, d;
int gcd (int a, int b) const {
if (a == 0) {
return b;
}
if (b == 0) {
return a;
}
if (a == b) {
return a;
}
if (a > b) {
return gcd(a-b, b);
}
return gcd(a, b-a);
}
public:
// Constructors
fraction(int a, int b) {
int hcf = gcd(a,b);
n = a / hcf;
d = b / hcf;
}
fraction(const fraction &q) {
int hcf = gcd(q.n,q.d);
n = q.n / hcf;
d = q.d / hcf;
}
// Operators
fraction operator+(const fraction &that) {
int numerator = this->n * that.d + that.n * this->d;
int denominator = this->d * that.d;
fraction q(numerator, denominator);
return q;
}
fraction operator-(const fraction &that) {
int numerator = this->n * that.d - that.n * this->d;
int denominator = this->d * that.d;
fraction q(numerator, denominator);
return q;
}
fraction operator*(const fraction &that) {
int numerator = this->n * that.n;
int denominator = this->d * that.d;
fraction q(numerator, denominator);
return q;
}
fraction operator/(const fraction &that) {
fraction a(this->n,this->d);
fraction b(that.d,that.n);
return a * b;
}
friend ostream &operator<<( ostream &os, const fraction &q ) {
if( q.d == q.n) {
os << 1;
} else {
os << q.n << '/' << q.d;
}
return os;
}
};

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