pex6_7.cpp

来自「数据结构C++代码,经典代码,受益多多,希望大家多多支持」· C++ 代码 · 共 25 行

#include <iostream.h>
#pragma hdrstop

#include "rational.h"

void main(void)
{
	const double pi = 3.14159265359;
	
	// output Rational difference between pi and 22/7
	cout << "Rational(pi) - Rational(22,7) = "
		 << (Rational(pi) - Rational(22,7)) << endl;
		 
	// output floating point difference between pi and 22/7
	cout << "pi - float(Rational(22,7)) = "
		 <<  (pi - float(Rational(22,7))) << endl;
}

/*
<Run>

Rational(pi) - Rational(22,7) = -398317/315000000
pi - float(Rational(22,7)) = -0.00126449
*/