#20185: Upgrade to SymPy-1.0
-------------------------------------+-------------------------------------
Reporter: rws | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-7.1
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers:
Authors: Ralf Stephan | Work issues:
Report Upstream: N/A | Commit:
Branch: | 03912520043631024635c3d6d09b86743b6c411e
u/rws/upgrade_to_sympy_1_0 | Stopgaps:
Dependencies: |
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Comment (by rws):
This is SymPy-0.7.6.1:
{{{
sage: parent(u)
<class 'sympy.core.function.UndefinedFunction'>
sage: cm = sage.structure.element.get_coercion_model()
sage: steps,res = cm.analyse(ZZ, parent(u))
sage: steps
['Will try _r_action and _l_action']
}}}
This is 1.0:
{{{
sage: parent(u)
<class 'sympy.core.function.UndefinedFunction'>
sage: cm = sage.structure.element.get_coercion_model()
sage: steps,res = cm.analyse(ZZ, parent(u))
sage: steps
['Right operand is not Sage element, will try _sage_.',
'Will try _r_action and _l_action']
Conversion map:
From: Integer Ring
To: Symbolic Ring, None))
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/20185#comment:18>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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