Re: Warning in g++ vs gcc

[Mathieu Malaterre]

Mathieu Malaterre wrote:
> Hello,
>
>     I must be missing something really simple but how does one work 
> around this :
>
> $ cat demo.c
> int main()
> {
>   int k = 375;
>   double a = 3.75;
>   k /= a;
>   return 1;
> }

As someone from gnu.gcc.help pointed out I can reproduce funny results with:


$ cat demo.c
int main()
{
  int k = 370;
  double a = 3.70;
  k /= a;
  return 1;
}

depending on compile option:
gcc -O0 demo.c returns 99
gcc -O1 demo.c returns 100

Someone to refresh my memory ?

Thanks
Mathieu