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Re: [Bug-gsl] Compilation failure on AIX

From: Brian Gough
Subject: Re: [Bug-gsl] Compilation failure on AIX
Date: Sat, 27 Jun 2009 12:00:03 +0100
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI)

At Thu, 25 Jun 2009 17:01:07 -0700,
Xiao, Haiyan wrote:
>  FAIL: gsl_sf_hyperg_1F1_e(-100.5, -80.1, 10, &r) [1814]
>   expected: 3.5514545173052204e+05
>   obtained: 3.5514619835715578e+05 +/- 4.6654724705419976e-07
> (rel=1.31368e-12)
>   fracdiff: 1.0511550201260663e-06
>  tolerance: 4.5474735088646412e-13
>   value/expected not consistent within reported error
>   value not within tolerance of expected value
>  Would you please tell me how to deal with this problem?

You could recompile that directory without optimisation (cd specfunc;
make clean; make CFLAGS="-g"; make check) or using a different
compiler and see if the problem goes away.  Otherwise the only thing
to do is step through the code and see why the result has such a large

Brian Gough
(GSL Maintainer)

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