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| //Реализация
#include "rational.h"
#include <iostream>
#include <iomanip>
using namespace std;
Rational::Rational(int ch, int zn)
{
setRational(ch, zn);
}
Rational::Rational(Rational &arg)
{
setRational(arg.numer, arg.denom);
}
Rational::~Rational() {};
int Rational::nodR(int x, int y)
{
if (y == 0)
return x;
else
return nodR(y, x % y);
}
int Rational::nokR(int x, int y)
{
for (int i = 1; i > 0; i++)
if (i % x == 0 && i % y == 0)
return i;
return 1;
}
void Rational::setRational(int ch, int zn)
{
int nod;
if (ch >= zn)
nod = nodR(ch, zn);
else
nod = nodR(zn, ch);
if (!zn)
cout << "Деление на \"0\" невозможно." << endl;
else
if (ch < 0 && zn < 0)
{
numer = (ch / nod) * -1;
denom = (zn / nod) * -1;
}
else
{
numer = ch / nod;
denom = zn / nod;
}
}
void Rational::sumRational(Rational x, Rational y)
{
int nok = nokR(x.denom, y.denom);
setRational((x.numer * (nok / x.denom)) + (y.numer * (nok / y.denom)), nok);
}
void Rational::diffRational(Rational x, Rational y)
{
int nok = nokR(x.denom, y.denom);
setRational((x.numer * (nok / x.denom)) - (y.numer * (nok / y.denom)), nok);
}
void Rational::prodRational(Rational x, Rational y)
{
setRational(x.numer * y.numer, x.denom * y.denom);
}
void Rational::quoRational(Rational x, Rational y)
{
setRational(x.numer * y.denom, x.denom * y.numer);
}
void Rational::maxRational(Rational x, Rational y)
{
int nok = nokR(x.denom, y.denom);
setRational((x.numer * (nok / x.denom)) > (y.numer * (nok / y.denom)), nok);
}
/*
void Rational::minRational(Rational x, Rational y)
{
int nok = nokR(x.denom, y.denom);
setRational((x.numer * (nok / x.denom)) < (y.numer * (nok / y.denom)), nok);
}
*/
void Rational::printRational()
{
cout << numer << "/" << denom;
}
void Rational::printDoubleRational()
{
cout << setprecision(6) << setiosflags(ios::fixed | ios::showpoint)
<< (double)numer / (double)denom;
}
ostream &operator << (ostream &output, Rational &right)
{
right.printRational();
return output;
}
istream &operator >> (istream &input, Rational &right)
{
input >> right.numer;
cin.get();
input >> right.denom;
right.setRational(right.numer, right.denom);
return input;
}
Rational Rational::operator+(Rational &right)
{
Rational temp = *this;
temp.sumRational(temp, right);
return temp;
}
Rational Rational::operator-(Rational &right)
{
Rational temp = *this;
temp.diffRational(temp, right);
return temp;
}
Rational Rational::operator*(Rational &right)
{
Rational temp = *this;
temp.prodRational(temp, right);
return temp;
}
Rational Rational::operator/(Rational &right)
{
Rational temp = *this;
temp.quoRational(temp, right);
return temp;
}
/*
Rational Rational::operator >(Rational &)
{
Rational temp = *this;
temp.minRational(temp, right);
return temp;
}*/
Rational Rational::operator <(Rational &right)
{
Rational temp = *this;
temp.maxRational(temp, right);
return temp;
} |
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