bugGNU Scientific Library - Bugs: bug #53903, Test failure with...

 
 

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bug #53903: Test failure with gsl_sf_synchrotron_1_e on x86

Submitter:  Patrick Alken <psa>
Submitted:  Mon 14 May 2018 09:38:11 PM UTC
   
 
Category:  Runtime error Severity:  3 - Normal
Operating System:  Status:  None
Assigned to:  None Open/Closed:  Open
Release: 

Mon 14 May 2018 09:38:11 PM UTC, original submission:  

from awilfox =at= adelielinux =dot= org

gsl-2.4 fails its test suite on x86, when configured to build for
Pentium MMX:

FAIL: test
==========

FAIL: gsl_sf_synchrotron_1_e(0.01, &r) [54784666]
  expected: 4.4497250411421063e-01
  obtained: -1.8137993642342178e-02 ± 1.2082330897339797e-17
(rel=6.66134e-16)
  fracdiff: 1.0849884121238955e+00
 tolerance: 4.4408920985006262e-16
  value/expected not consistent within reported error
  value not within tolerance of expected value
  -1.813799364234217754e-02  1.208233089733979683e-17
FAIL: Synchrotron Functions [54784674]



Environment:

libc: musl libc (i386) Version 1.1.19

gcc: gcc (Adelie 6.4.0) 6.4.0

ld: GNU ld (GNU Binutils) 2.30

CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz

uname -a: Linux zach 4.7.0-zach #1 SMP Sat Jul 30 20:37:18 CDT 2016 i686
GNU/Linux

CFLAGS: -O2 -march=pentium-mmx -mtune=pentium-m -fno-omit-frame-pointer

Patrick Alken <psa>
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