#18630: Expression.is_positive/negative incomplete
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Reporter: rws | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.8
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: Fixed upstream, but not in a | Work issues:
stable release. | Commit:
Branch: | Stopgaps:
Dependencies: pynac-0.3.9.1 |
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Comment (by rws):
While products are okay already, sums with negative terms are not and will
not be for some time. Correct handling depends on
https://github.com/pynac/pynac/issues/67 and
https://github.com/pynac/pynac/issues/68 and affects #12588 too, for
example.
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Ticket URL: <http://trac.sagemath.org/ticket/18630#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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