#include <iostream>
#include <string>
//如果在工程中用到浮点数进行判断相除的时候,记得进行异常处理判断。
using namespace std;
double divide(double a,double b,int *valid)
{
double ret = 0;
double delta = 0.0000000000001;
if(!((-delta < b) && (b < delta)))
{
ret = a / b;
*valid = 1;
}
else
{
*valid = 0;
}
return ret;
}
int main(int argc, char *argv[])
{
int valid = 0;
double r = divide(1,5,&valid);
if( valid )
{
cout<<r<<endl;
}
else
{
cout<<"Divide by Zer0..."<<endl;
}
return 0;
}
C++--异常处理1
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转载自blog.csdn.net/huhuolianmeng/article/details/104097701
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