#18076: Be nicer with numpy
-------------------------------------+-------------------------------------
       Reporter:  vdelecroix         |        Owner:  vdelecroix
           Type:  enhancement        |       Status:  needs_work
       Priority:  major              |    Milestone:  sage-6.6
      Component:  interfaces         |   Resolution:
       Keywords:  sd66               |    Merged in:
        Authors:  Vincent            |    Reviewers:  Jeroen Demeyer
  Delecroix, Jeroen Demeyer          |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:  u/jdemeyer/18076   |  c3e467149631917bb5ea7d753ef5a18333dd29ac
   Dependencies:  #18121             |     Stopgaps:
-------------------------------------+-------------------------------------

Comment (by vdelecroix):

 Replying to [comment:20 jdemeyer]:
 > This looks wrong to me:
 > {{{
 > sage: numpy.int8('12') + 1/3
 > 12.333333333333334
 > }}}
 > Why is the answer a float???

 This is because the addition is handled by numpy and not by the rational.
 Simlarly
 {{{
 sage: import numpy
 sage: numpy.int64('1') + 1
 2
 sage: parent(_)
 <type 'numpy.int64'>
 }}}
 There is a comment somewhere that this can be an upstream request.

--
Ticket URL: <http://trac.sagemath.org/ticket/18076#comment:21>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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