#17321: Pynac RuntimeError: comparing typeid's
----------------------------------+------------------------
       Reporter:  vbraun          |        Owner:
           Type:  defect          |       Status:  new
       Priority:  major           |    Milestone:  sage-6.7
      Component:  symbolics       |   Resolution:
       Keywords:                  |    Merged in:
        Authors:                  |    Reviewers:
Report Upstream:  N/A             |  Work issues:
         Branch:                  |       Commit:
   Dependencies:  #18362, #12967  |     Stopgaps:
----------------------------------+------------------------
Changes (by rws):

 * dependencies:  pynac-0.3.7 => #18362, #12967
 * upstream:  Fixed upstream, in a later stable release. => N/A


Old description:

> Series times variable raises the following exception:
> {{{
> sage: ex = sin(x).series(x==0, 3) * x
> sage: str(ex)
> ---------------------------------------------------------------------------
> RuntimeError                              Traceback (most recent call
> last)
> <ipython-input-5-c277618b0823> in <module>()
> ----> 1 str(ex)
>
> /mnt/disk/home/release/Sage/local/lib/python2.7/site-
> packages/sage/structure/sage_object.so in
> sage.structure.sage_object.SageObject.__repr__
> (build/cythonized/sage/structure/sage_object.c:1962)()
>
> /mnt/disk/home/release/Sage/local/lib/python2.7/site-
> packages/sage/symbolic/expression.so in
> sage.symbolic.expression.Expression._repr_
> (build/cythonized/sage/symbolic/expression.cpp:4749)()
>
> /mnt/disk/home/release/Sage/local/lib/python2.7/site-
> packages/sage/symbolic/ring.so in
> sage.symbolic.ring.SymbolicRing._repr_element_
> (build/cythonized/sage/symbolic/ring.cpp:8462)()
>
> RuntimeError: comparing typeid's
> }}}
> https://github.com/pynac/pynac/issues/22

New description:

 Series times variable raises the following exception:
 {{{
 sage: ex = sin(x).series(x==0, 3) * x
 sage: str(ex)
 ---------------------------------------------------------------------------
 RuntimeError                              Traceback (most recent call
 last)
 <ipython-input-5-c277618b0823> in <module>()
 ----> 1 str(ex)

 /mnt/disk/home/release/Sage/local/lib/python2.7/site-
 packages/sage/structure/sage_object.so in
 sage.structure.sage_object.SageObject.__repr__
 (build/cythonized/sage/structure/sage_object.c:1962)()

 /mnt/disk/home/release/Sage/local/lib/python2.7/site-
 packages/sage/symbolic/expression.so in
 sage.symbolic.expression.Expression._repr_
 (build/cythonized/sage/symbolic/expression.cpp:4749)()

 /mnt/disk/home/release/Sage/local/lib/python2.7/site-
 packages/sage/symbolic/ring.so in
 sage.symbolic.ring.SymbolicRing._repr_element_
 (build/cythonized/sage/symbolic/ring.cpp:8462)()

 RuntimeError: comparing typeid's
 }}}
 https://github.com/pynac/pynac/issues/22
 https://github.com/pynac/pynac/issues/32
 https://github.com/pynac/pynac/issues/33

--

--
Ticket URL: <http://trac.sagemath.org/ticket/17321#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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