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[Bug-gsl] bug on gsl_sf_hyperg_1F1

From: Weibin Li
Subject: [Bug-gsl] bug on gsl_sf_hyperg_1F1
Date: Wed, 12 Nov 2014 11:36:03 +0000

There seems a bug in the function “gsl_sf_hyperg_1F1" in version 1.16.

See the attached test program, in which the generated value is correct when 
ri=1000 while is wrong when ri is large (ri=4000 in the program).
The result was compared with Mathematica. 

When I tried version 1.9, which somehow gives the correct result.
However I am not sure how this happens in
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Attachment: gsl_hyperg.c
Description: Binary data

 other versions.

I used a Macbook pro with Yosemite.




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