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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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v_10_01
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1001096a
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1991-11-16
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779b
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46 lines
Listing 4
//
// rational.cpp
//
#include "rational.h"
rational rational::operator+(rational r)
{
rational result;
result.num = num * r.denom + r.num * denom;
result.denom = denom * r.denom;
return result;
}
rational rational::operator-(rational r)
{
rational result;
result.num = num * r.denom - r.num * denom;
result.denom = denom * r.denom;
return result;
}
rational rational::operator*(rational r)
{
rational result;
result.num = num * r.num;
result.denom = denom * r.denom;
return result;
}
rational rational::operator/(rational r)
{
rational result;
result.num = num * r.denom;
result.denom = denom * r.num;
return result;
}
void rational::put(FILE *f)
{
fprintf(f, "(%ld/%ld)", num, denom);
}