operator重载之矩阵的运算—C++

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/*
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功能：矩阵的运算
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作者：wind
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日期：2013-11-29
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*/
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#include <iostream>
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#include <string>
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using namespace std;
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/************************************************************/
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class Reckle
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{
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public:
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  Reckle()
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  {
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    m_iA = 0;
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    m_iB = 0;
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    m_iC = 0;
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    m_iD = 0;
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  }
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  void set(double aA,double aB,double aC,double aD);
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  void get()const;
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  Reckle operator + (Reckle c1);
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  Reckle operator - (Reckle c1);
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  void display(Reckle c1);
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private:
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  double m_iA;
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  double m_iB;
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  double m_iC;
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  double m_iD;
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};
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/************************************************************/
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void Reckle::set(double aA,double aB,double aC,double aD)
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{
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  m_iA = aA;
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  m_iB = aB;
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  m_iC = aC;
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  m_iD = aD;
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}
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void Reckle::get()const
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{
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  cout<<"The result is:"<<endl;
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  cout<<"("<<m_iA<<","<<m_iB<<")"<<endl;
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  cout<<"("<<m_iC<<","<<m_iD<<")"<<endl;
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}
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Reckle Reckle::operator + (Reckle c1)
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{
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    Reckle c;
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  c.m_iA = m_iA + c1.m_iA;
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  c.m_iB = m_iB + c1.m_iB;
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  c.m_iC = m_iC + c1.m_iC;
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  c.m_iD = m_iD + c1.m_iD;
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  return c;
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}
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Reckle Reckle::operator - (Reckle c1)
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{
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  Reckle c;
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  c.m_iA = m_iA - c1.m_iA;
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  c.m_iB = m_iB - c1.m_iB;
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  c.m_iC = m_iC - c1.m_iC;
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  c.m_iD = m_iD - c1.m_iD;
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  return c;
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}
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void Reckle::display(Reckle c1)
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{
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  string n;
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  Reckle c;
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  cout<<"Please input the sign(-/+):";
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  cin>>n;
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  if  ("-" == n)
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  {
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    c = operator- (c1);
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    cout<<"The result is:"<<endl;
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    cout<<"("<<c.m_iA<<","<<c.m_iB<<")"<<endl;
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    cout<<"("<<c.m_iC<<","<<c.m_iD<<")"<<endl;
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  }
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  else if ("+" == n)
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  {
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    c = operator+ (c1);
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    cout<<"The result is:"<<endl;
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    cout<<"("<<c.m_iA<<","<<c.m_iB<<")"<<endl;
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    cout<<"("<<c.m_iC<<","<<c.m_iD<<")"<<endl;
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  }
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  else
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  {
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    cout<<"The operator is error";
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  }
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}
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/************************************************************/
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int main(void)
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{
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  Reckle c1,c2;
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  double x = 0;
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  double y = 0;
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  double z = 0;
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  double h = 0;
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  cout<<"请输入第一个矩阵(两行两列)："<<endl;
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  cin>>x>>y>>z>>h;
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  c1.set(x,y,z,h);
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  cout<<"请输入第二个矩阵(两行两列)："<<endl;
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  cin>>x>>y>>z>>h;
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  c2.set(x,y,z,h);
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    c1.display(c2);
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  system("pause");
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  return 0;
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}