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Re: fetestexcept

From: Andreas Jaeger
Subject: Re: fetestexcept
Date: Sun, 05 May 2002 17:05:41 +0200
User-agent: Gnus/5.090007 (Oort Gnus v0.07) XEmacs/21.4 (Artificial Intelligence, i386-suse-linux)

Jos van den Oever <address@hidden> writes:

> Hello glibc team,
> I've also sent this report with glibcbug. If that arrived (I'm not sure of 
> that) just ignore this email.

We received it.

> I'm using fenv.h to catch floating point exceptions. To identify them, I use 
> fetestexcept. However this function always gives me 0.

Either use a signal handler - or the fe* functions.  Compare your
program with glibc's test program in math/test-fenv.c,

 Andreas Jaeger
  SuSE Labs address@hidden
   private address@hidden

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