Opened 6 years ago

Closed 6 years ago

#20298 closed defect (fixed)

Ubuntu 16.04 numerical noise

Reported by: vbraun Owned by:
Priority: major Milestone: sage-7.2
Component: numerical Keywords:
Cc: fbissey Merged in:
Authors: Volker Braun Reviewers: François Bissey
Report Upstream: N/A Work issues:
Branch: bbc9778 (Commits, GitHub, GitLab) Commit: bbc9778cb56602ab67014a97b6a2673edf40bbde
Dependencies: Stopgaps:

Status badges

Description

On the Ubuntu 16.04 32-bit buildbot: 

sage -t --long src/sage/rings/complex_double.pyx
**********************************************************************
File "src/sage/rings/complex_double.pyx", line 1616, in sage.rings.complex_double.ComplexDoubleElement._pow_
Failed example:
    a._pow_(b)
Expected:
    -0.163450932107355 + 0.09600498360894891*I
Got:
    -0.16345093210735498 + 0.09600498360894887*I
**********************************************************************
File "src/sage/rings/complex_double.pyx", line 1632, in sage.rings.complex_double.ComplexDoubleElement.__pow__
Failed example:
    c = a^b; c # indirect doctest
Expected:
    -0.163450932107355 + 0.09600498360894891*I
Got:
    -0.16345093210735498 + 0.09600498360894887*I
**********************************************************************
2 items had failures:
   1 of   9 in sage.rings.complex_double.ComplexDoubleElement.__pow__
   1 of   3 in sage.rings.complex_double.ComplexDoubleElement._pow_
    [328 tests, 2 failures, 0.23 s]

Change History (5)

comment:1 Changed 6 years ago by vbraun

  • Branch set to u/vbraun/ubuntu_16_04_numerical_noise

comment:2 Changed 6 years ago by vbraun

  • Authors set to Volker Braun
  • Commit set to bbc9778cb56602ab67014a97b6a2673edf40bbde
  • Status changed from new to needs_review

New commits:

​bbc9778Add rel tol to fight numerical noise

comment:3 Changed 6 years ago by vbraun

  • Cc fbissey added

comment:4 Changed 6 years ago by fbissey

  • Reviewers set to François Bissey
  • Status changed from needs_review to positive_review

Is this after the ecl update? It certainly looks like some results I patched. In any case the fix is good.

comment:5 Changed 6 years ago by vbraun

  • Branch changed from u/vbraun/ubuntu_16_04_numerical_noise to bbc9778cb56602ab67014a97b6a2673edf40bbde
  • Resolution set to fixed
  • Status changed from positive_review to closed
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