Re: Optimization Bug in g77

[Andrew Pinski <pinskia at physics dot uc dot edu>]

On Oct 26, 2004, at 3:01 PM, Steven E. Williamson wrote:

> Two other symptoms that I have noticed: if the -ffloat-store option is
> used, then the program always works correctly (does only 2 iterations).
> And, if the write statement immediately preceding the check for
> equal averages is un-commented, the program also works correctly.

There you said how to fix your problem -ffloat-store.  The point is that
gcc (and g77) is using the additional precision which you are not 
expecting
to be used.  I am going to assume you are on x86 where this problem 
comes
up all the time.

Thanks,
Andrew Pinski