[PPL-devel] IEEE inexact-flag not working on the Alpha (despite -mieee-with-inexact)?
Tim Prince
TimothyPrince at sbcglobal.net
Thu Sep 18 17:11:35 CEST 2008
Roberto Bagnara wrote:
> #include <fenv.h>
> #include <cstdio>
>
> int main() {
> float x = 2;
> float y = 3;
> feclearexcept(FE_INEXACT);
> x = x / y;
> printf("%d %.1000g\n", fetestexcept(FE_INEXACT) != 0, x);
> }
Is this a way of testing whether the division is performed at compile
time? Do you call it a bug if constant propagation occurs when you don't
take action to prevent it?
More information about the PPL-devel
mailing list