pex6_6.cpp

数据结构C++代码,经典代码,受益多多,希望大家多多支持

#include <iostream.h>
#pragma hdrstop

#include "wex6_9.h"

// evaluate the complex function z**3 -3z*z + 4z - 2
Complex f(Complex z)
{	
	return z*z*z - Complex(3.0)*z*z + Complex(4.0)*z - 2.0;
}

// note that if the Complex arithmetic operators are implemented
// as friends, the compiler will convert constants such as 3.0
// to Complex automatically. the Complex converters will not
// be necessary

void main(void)
{
	// complex number i = 0 +1i
	Complex i(0,1), z;
	// values for which f is computed
	Complex vals[] = { Complex(2,3), Complex(-1,1), Complex(1,1),
					   Complex(1,-1), Complex(1,0) };
	
	// verify that i*i = -1
	cout << "-i*i = " << (-i * i) << endl;
	
	// evaluate f(z), z=2+3i,...,1+0i
	for(int k=0;k < 5;k++)
		cout << f(vals[k]) << "  ";
	cout << endl;
}

/*
<Run>

-i*i = (1,0)
(-25,-15)  (-4,12)  (0,0)  (0,0)  (0,0)
*/