新手:关于异常的问题,一题老报错,不明白

[discory]

#include <iostream>

using namespace std;

//ClassDivideByZeroException to be used in eception

class DivideByZeroException
{
public:
DivideByZeroException()
:message("attempted to divide by zero"){}
const char *what() const{return message;}

private:
const char *message;
};

//Definition of function quotient.Demonstrates throwing
double quotient(int numerator, int denominator)
{
if (denominator = 0)
throw DivideByZeroException();

return static_cast <double> (numerator) / denominator;

}

//driver program
int main()
{
int number1, number2;
double result;

cout << "Enter tow integers(end-of-file to end):";

while (cin >> number1 >> number2)
{
//the try block wraps the code that way throw an
//exception and the code that should not execute
//if an exception occurs
try
{
result = quotient(number1, number2);
cout << "The quotient is: " << result << endl;
}
catch(DivideByZeroException ex)
{//exception handler
cout << "Exception occurred: " << ex.what() << '\n';
}
cout << "\nEnter two integers (end-of-file to end): ";
}

cout << endl;

//system("pause");
return 0; //terminate normally
}

这是小弟看书照书写的,但是运算结果不正常1.#INF,大家帮看看

[discory]

help一下啊

[dx30611]

晕
double quotient(int numerator, int denominator)
{
if (denominator == 0) //应该是双等号
throw DivideByZeroException();

return static_cast <double> (numerator) / denominator;

}

[discory]

o,呵呵,么注意,thx