#19811: Upgrade arb to version 2.8.1
-------------------------------------+-------------------------------------
       Reporter:  jdemeyer           |        Owner:
           Type:  enhancement        |       Status:  needs_work
       Priority:  major              |    Milestone:  sage-7.0
      Component:  packages:          |   Resolution:
  standard                           |    Merged in:
       Keywords:                     |    Reviewers:  Volker Braun
        Authors:  Jeroen Demeyer,    |  Work issues:
  Fredrik Johansson                  |       Commit:
Report Upstream:  N/A                |  5993a349782810afb5307e9edd07a0808a20521c
         Branch:                     |     Stopgaps:
  u/fredrik.johansson/upgrade_arb    |
   Dependencies:                     |
-------------------------------------+-------------------------------------
Changes (by vbraun):

 * status:  positive_review => needs_work


Comment:

 On OSX:
 {{{
 sage -t --long src/sage/rings/real_arb.pyx
 **********************************************************************
 File "src/sage/rings/real_arb.pyx", line 462, in
 sage.rings.real_arb.RealBallField._element_constructor_
 Failed example:
     RBF(4*zeta(3))
 Expected:
     [4.808227612638377 +/- 9.50e-16]
 Got:
     [4.808227612638377 +/- 9.42e-16]
 **********************************************************************
 1 item had failures:
    1 of   7 in sage.rings.real_arb.RealBallField._element_constructor_
     [459 tests, 1 failure, 0.38 s]

 sage -t --long src/sage/rings/real_mpfi.pyx
 **********************************************************************
 File "src/sage/rings/real_mpfi.pyx", line 5110, in
 sage.rings.real_mpfi.RealIntervalFieldElement.zeta
 Failed example:
     zeta(RIF(3))
 Expected:
     1.202056903159595?
 Got:
     1.202056903159594?
 **********************************************************************
 1 item had failures:
    1 of   4 in sage.rings.real_mpfi.RealIntervalFieldElement.zeta
     [904 tests, 1 failure, 10.16 s]
 }}}

--
Ticket URL: <http://trac.sagemath.org/ticket/19811#comment:19>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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