ch21_2.cpp

本文档是C＋＋程序设计教程系列的部分辅助代码。

//**********************
//**    ch21_2.cpp    **
//**********************

#include <iostream.h>

double Div(double, double );

void main()
{
  try{
    cout <<"7.3/2.0=" <<Div(7.3, 2.0) <<endl;
    cout <<"7.3/0.0=" <<Div(7.3, 0.0) <<endl;
    cout <<"7.3/1.0=" <<Div(7.3, 1.0) <<endl;
  }
  catch(double)
  {
    cout <<"except of deviding zero.\n";
  }
  cout <<"That is ok. \n";
}

double Div(double a, double b)
{
  if(b==0.0)
    throw b;

  return a/b;
}