Re: gnuplot numerical errors on Intel MacBook

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

On Saturday 23 September 2006 11:12 pm, CM wrote:
> Also please look in the file config.h created while preparing
> > the cvs distribution and tell us whether HAVE_LGAMMA is defined or
> > commented out.
> 
> HAVE_LGAMMA is defined to be 1, not commented out.

Hmm. Well, you can probably get a working gamma function by 
replacing this line with
  #undef HAVE_LGAMMA
  #undef HAVE_GAMMA
and then rebuilding the program. (Do not re-run ./configure)

Unfortunately, that won't help us figure out what is
going wrong with the normal configure+build process.

I've CC'ed this to Per Persson, who is our Mac expert.
This is a PPC MacBook?
 
> Has anyone seen numerical errors on the MacBook line of computers?  I have
> tried both gnuplot 4.0 and 4.1 (compiled from source, not the mac package),
> and in each case the result of

> plot gamma(x)

> is very, very wrong.  Has anyone else seen this?  I searched the archives
> for this list and didn't see anything relevant.



-- 
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle 98195-7742