[PPL-devel] IEEE inexact-flag not working on the Alpha (despite -mieee-with-inexact)?
Andreas Schwab
schwab at suse.de
Thu Sep 18 14:09:54 CEST 2008
Roberto Bagnara <bagnara at cs.unipr.it> writes:
> $ cat sf.cc
> #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);
You need to enable the FENV_ACCESS pragma (which is not yet implemented)
to get defined behaviour.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab at suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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