bugGNU Scientific Library - Bugs: bug #32306, sign error in gsl_sf_hyperg_2F1


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bug #32306: sign error in gsl_sf_hyperg_2F1

Submitted by:  -Deleted Account- <bjg>
Submitted on:  Mon 31 Jan 2011 04:47:44 PM UTC  
Category: Accuracy problemSeverity: 3 - Normal
Operating System: Status: Confirmed
Assigned to: NoneOpen/Closed: Open
Release: 1.14

Mon 31 Jan 2011 04:47:44 PM UTC, original submission:

There's a sign error discontinuity in gsl_sf_hyperg_2F1(-0.5,1.5,1,x) for x~=~0.5

bjg@nc:~/tmp$ ./a.out
0.5 -0.539352 8.64471e-15
0.5 0.539353 6.22896e-14

-Deleted Account- <bjg>


Attached Files
file #22573:  hyp.c added by bjg (354B - text/x-csrc - test program)


Depends on the following items: None found

Items that depend on this one: None found


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  • -unavailable- added by bjg

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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Mon 31 Jan 2011 04:47:44 PM UTCbjgAttached File-=>Added hyp.c, #22573
      Carbon-Copy-=>Added -unavailable-

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