//【 3】 P314 10.1( txt )。 , ,
// double 。 , Complex,
// 。
//(1) 。
//(2) , 、
/* ( )
*
* Copyright (c) 2011,
* All rights reserved.
* : Complex.cpp
* : 114-3
* : 2012 4 2
* : V 1.0
*
* : , Complex,
* :(1) 。
(2) , 、
* :
*
*/
#include
using namespace std;
template
class Complex
{
public:
Complex( ){real = 0; imag = 0;}
Complex(numtype r, numtype i){real = r; imag = i;}
Complex complex_add(Complex &c2);
Complex complex_cut(Complex &c2);
Complex complex_mul(Complex &c2);
Complex complex_div(Complex &c2);
void display( );
private:
numtype real;
numtype imag;
};
template
Complex Complex::complex_add(Complex &c2)// ( <>)
{
Complex c;
c.real = real + c2.real;
c.imag = imag + c2.imag;
return c;
}
template
Complex Complex::complex_cut(Complex &c2)// ( <>)
{
Complex c;
c.real = real - c2.real;
c.imag = imag - c2.imag;
return c;
}
template
Complex Complex::complex_mul(Complex &c2)// ( <>)
{
Complex c;
c.real = real*c2.real - imag*c2.imag;
c.imag = real*c2.imag + imag*c2.real;
return c;
}
template
Complex Complex::complex_div(Complex &c2)// ( <>)
{
Complex c;
c.real = (real*c2.real + imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);
c.imag = (-real*c2.imag + imag*c2.real)/(c2.real*c2.real+c2.imag*c2.imag);
return c;
}
template
void Complex::display( )
{
cout << "(" << real << "," << imag << "i)" << endl;
}
int main( )
{
Complex c1(3, 4), c2(5, -10), c3;
c3 = c1.complex_add(c2);
cout << "c1+c2=";
c3.display( );
c3 = c1.complex_cut(c2);
cout << "c1-c2=";
c3.display( );
Complex c4(3.1, 4.4), c5(5.34, -10.21), c6;
c6=c4.complex_add(c5);
cout << "c4+c5=";
c6.display( );
Complex c7(3, 4), c8(5, -10), c9;
c9 = c7.complex_mul(c8);
cout << "c7×c8=";
c9.display( );
Complex c10(3.1, 4.4), c11(5.34, -10.21), c12;
c12=c10.complex_div(c11);
cout << "c10÷ c11=";
c12.display( );
system("pause");
return 0;
}
/*
,
, 。
*/