Re: [Fwd: Re: gnuplot numerical errors on Intel MacBook]

[Ethan M. <merritt@u.washington.edu>]

On Thursday 28 September 2006 03:26 pm, Daniel J Sebald wrote:
> Ethan Merritt wrote:
> > ISO/IEC C99 (including Annex F, "IEC 60559 floating-point
> > arithmetic") and
> > POSIX 2001 (IEEE Std 1003.1:2001)
> >
> > require lgamma() to provide signgam as an extern int
>
> I don't necessarily read it that way.  The language is not clear.

Those were two separate statements.

(1) C99 and POSIX 2001 standard require it.

(2) The rationale is given in the associated C99 doc I quoted.



-- 
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle WA