bugGNU Scientific Library - Bugs: bug #47401, Bessel K0/K1

 
 

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bug #47401: Bessel K0/K1

Submitted by:  Patrick Alken <psa>
Submitted on:  Sun 13 Mar 2016 07:46:50 PM UTC  
 
Category: Runtime errorSeverity: 3 - Normal
Operating System: Status: Fixed
Assigned to: NoneOpen/Closed: Closed
Release: 

Sun 13 Mar 2016 07:49:34 PM UTC, comment #2:

Fixed in commit 6213d33148b58ad317f4ed286328ee549574275f

Patrick Alken <psa>
Project Administrator
Sun 13 Mar 2016 07:47:38 PM UTC, comment #1:

from pavel =at= holoborodko =dot= com

Patrick Alken <psa>
Project Administrator
Sun 13 Mar 2016 07:46:50 PM UTC, original submission:

I am sending you my findings about bessel_k0/bessel_k1
functions. Both suffer from cancellation near x=2, which is easily fixable.

I include PDF with description and patch for bessel_k0.c
The bessel_k1.c can be changed the same way.

Patrick Alken <psa>
Project Administrator

 

Attached Files
file #36623:  bessel_k0.patch added by psa (3KiB - text/x-patch)
file #36624:  GSL-K01.pdf added by psa (301KiB - application/pdf)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -unavailable- added by psa (Submitted the item)
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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Sun 13 Mar 2016 07:49:34 PM UTCpsaStatusNone=>Fixed
      Open/ClosedOpen=>Closed
    Sun 13 Mar 2016 07:46:50 PM UTCpsaAttached File-=>Added bessel_k0.patch, #36623
      Attached File-=>Added GSL-K01.pdf, #36624

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