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Re: Patch to define GSL_SF_FACT_NMAX and GSL_SF_DOUBLEFACT_NMAX

From: Brian Gough <bjg at network-theory dot co dot uk>
To: "Jonathan G. Underwood" <j dot underwood at open dot ac dot uk>
Cc: gsl-discuss at sources dot redhat dot com
Date: Wed, 12 Oct 2005 18:10:40 +0100
Subject: Re: Patch to define GSL_SF_FACT_NMAX and GSL_SF_DOUBLEFACT_NMAX
References: <434A3EE2.3010202@open.ac.uk>

Jonathan G. Underwood writes:
 > The attached patch exports the following two macros:
 > 
 > GSL_SF_FACT_NMAX
 > GSL_SF_DOUBLEFACT_NMAX
 > 
 > which define the maximum values of n such that gsl_sf_fact(n) and
 > gsl_sf_doublefact(n) do not over flow. 

Thanks, this seems sensible.  

 > related to the gamma function. Also, this patch adds an #undef 
 > LogRootTwoPi_ for gamma.c, as it was never meant to be exported 
 > (cosmetic). 

The LogRootTwoPi_ definition is local to the file, so that one's ok.

-- 
Brian Gough

Network Theory Ltd,
Publishing Free Software Manuals --- http://www.network-theory.co.uk/

References:
- Patch to define GSL_SF_FACT_NMAX and GSL_SF_DOUBLEFACT_NMAX
  - From: Jonathan G. Underwood

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