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

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

On Thursday 28 September 2006 02:44 am, Daniel J Sebald wrote:
> /*
> Order of preference and why:
>
>   tgamma() - It's the true gamma, perfect.
>   gamma() - If there is a gamma() in the library and no tgamma()
> there is a slim chance (now... who knows in the future?) that it is
> the true gamma.  At run time we will check if it is true gamma or log
> gamma.  If it is log gamma, it won't be used because signgam is not
> thread safe.
>   lgamma_r() - This is thread safe and will work.  Tempted to put
> this at higher priority than gamma() but OK here for now. lngamma() -
> Gnuplot's version of log gamma as last resort.  sgngam is local to
> this code so is thread safe.

No run-time changes of mind, please.
Get it worked out correctly when the program is built and
then run with it.


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