#7119: [with patch, needs review] Redundant minus sign in PolyDict polynomial
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Reporter: klee | Owner: klee
Type: defect | Status: needs_review
Priority: minor | Milestone: sage-4.1.3
Component: basic arithmetic | Keywords:
Work_issues: | Author: Kwankyu Lee
Reviewer: | Merged:
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Comment(by klee):
The present bug results from the class PolyDict in sage/rings/polynomial/
polydict.pyx rests upon "zero" optional parameter, which defaults to
integer 0, to decide the characteristic of the parent ring when its
object is printed. On the other hand, f.lt() does not set the "zero"
parameter in sage/rings/polynomial/multi_polynomial_element.py.
I think patching the polydict.pyx so as not to rely on the "zero" paramter
might be better way to correct the bug. But this is out of my reach.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7119#comment:4>
Sage <http://www.sagemath.org>
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