8-5.cs

来自「java基础方面的一些实例代码」· CS 代码 · 共 48 行

//程序8-5
using System;
public struct Complex 
{
	public double real;
	public double imaginary;
	public Complex(double rea, double img) //构造函数
	{
		real = rea;
		imaginary = img;
	}
	public static Complex operator - (Complex clx)
	{
		return new Complex (-clx.real,-clx.imaginary);
		// 下述语句等效于上一个语句
		//clx.real=-clx.real;
		//clx.imaginary=-clx.imaginary;
		//return clx;
	}
	public static Complex operator ++(Complex clx)
	{
		clx.real+=1;
		clx.imaginary+=1;
		return clx;  //等效于下列语句
		// return new Complex (clx.real,clx.imaginary);
	}
	public static bool operator true(Complex clx)
	{
		return (clx.real>0);
	}
	public static bool operator false(Complex clx)
	{
		return (clx.real<=0);
	}
}
public class Test
{
	public static void Main()
	{
		Complex CP=new Complex(2,3);
		CP=-CP;
		CP++;
		Console.WriteLine("Real= {0}\n"+"Imaginary= {1}",CP.real,CP.imaginary);
		if (CP)Console.WriteLine("The real part is positive.");
		else Console.WriteLine("The real part is not positive.");
	}
}