complex_main.cpp

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#include "Complex.h"

void main()
{
  double  d;
  Complex c1,c2(7.0,9.0),c3(c2),c4(8.0);
    //c3(c2)完全等价于c3=c2，均调用拷贝构造函数
    //但不完全等价于Complex c3;c3=c2;它执行赋值操作
    //c4(8.0)完全等价于c4=8.0，均调用（类型）转换构造函数
    //但不完全等价于Complex c4;c4=8.0;它执行赋值操作

  cout << "缺省构造得到的复数[1]为：" << c1 << endl;
  cout << "初始化构造得到的复数[2]为：" << c2 << endl;
  cout << "拷贝构造得到的复数[3]为：" << c3 << endl;
  cout << "（类型）转换构造得到的复数[4]为：" << c4 << endl;

  c1=c3;
  cout << "执行赋值语句c1=c3;后得到的复数为：" << c1 << endl;

  c4.setValue(-1.0,-1.0);
  cout << "执行赋值语句c4.setValue(-1.0,-1.0);后得到的复数为：" << c4 << endl;
  
  c3=-c1;
  cout << "执行赋值语句c3=-c1;后得到的复数为：" << c3 << endl;

  cout << "请输入第1个复数(实部，虚部)：";
  cin >> c1;
  cout << "请输入第2个复数(实部，虚部)：";
  cin >> c2;
  cout << "请输入1个双精度数：";
  cin >> d;

  c4=d;//先调用（类型）转换构造函数进行隐式类型转换，再赋值！
  cout << "执行赋值语句c4=d;后得到的复数为：" << c4 << endl;

  c3=c1+c2;
  cout << c1 << "+"  << c2 << "=" << c3 << endl;
  c3=c1-c2;
  cout << c1 << "-"  << c2 << "=" << c3 << endl;
  c3=c1*c2;
  cout << c1 << "*"  << c2 << "=" << c3 << endl;
  c3=c1/c2;
  cout << c1 << "/"  << c2 << "=" << c3 << endl;

  c3=c1+d;  //调用（类型）转换构造函数进行隐式类型转换
  cout << c1 << "+(" << d << ")=" << c3 << endl;
  c3=d+c1;  //调用（类型）转换构造函数进行隐式类型转换
  cout << d << "+"  << c1 << "=" << c3 << endl;
  c3=d-c1;  //调用（类型）转换构造函数进行隐式类型转换
  cout << d << "-"  << c1 << "=" << c3 << endl;

  c3=c1;  c3+=c2;
  cout << c1 << "+="  << c2 << "[" << c3 << "]" << endl;
  c3=c1;  c3-=c2;
  cout << c1 << "-="  << c2 << "[" << c3 << "]" << endl;
  c3=c1;  c3*=c2;
  cout << c1 << "*="  << c2 << "[" << c3 << "]" << endl;
  c3=c1;  c3/=c2;
  cout << c1 << "/="  << c2 << "[" << c3 << "]" << endl;

  c3=c1;
  if (c1==c1) cout << "c1==c1" << endl;
  if (c3==c1) cout << "c3和c1相等!" << endl;
  if (c1!=c2) cout << "c1!=c2" << endl;
  if (c1>=c2) cout << "c1>=c2" << endl;
  if (c1>c2) cout << "c1>c2" << endl;
  if (c2<=c1) cout << "c2<=c1" << endl;
  if (c2<c1) cout << "c2<c1" << endl;
}