Re: build failure (alpha-current): floating point exception 8

[David Laight <david%l8s.co.uk@localhost>]

On Tue, Mar 03, 2009 at 07:25:06PM +0100, Martin Husemann wrote:
> On Tue, Mar 03, 2009 at 05:45:34PM +0000, Christos Zoulas wrote:
> > -   if (ep == s || r == HUGE_VAL || errno == ERANGE)
> > +   if (ep == s || memcmp(&r, &hv, sizeof(hv)) == 0 || errno == ERANGE)
> 
> Uhm, aren't there "don't care" bits in infinity, so we can't rely on memcmp
> here?

I can't remember either, bit infinity has a sign bit and either
infinity or NaN has a lot of spare bits.

        David

-- 
David Laight: david%l8s.co.uk@localhost