#10173: asking if polynomial element in list gives error
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Reporter: mariah | Owner: malb
Type: PLEASE CHANGE | Status: positive_review
Priority: minor | Milestone: sage-4.6.1
Component: commutative algebra | Keywords:
Author: Mariah Lenox | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by gbe):
* status: needs_review => positive_review
Comment:
Patch applies cleanly, and doctest passes both before and after
application.
Running
{{{
sage: R = BooleanPolynomialRing(256,'x')
sage: LR = [R.gen(i) for i in range(256)]
sage: S = PolynomialRing(GF(2),256,'y')
sage: S.gen(8) in LR
}}}
now returns false as expected.
Running
{{{
sage: R = BooleanPolynomialRing(256,'x')
sage: S = PolynomialRing(GF(2),256,'y')
sage: R(S.gen(8))
}}}
still blows up, but with a TypeError instead of a ValueError now. This is
the correct behavior (I believe) for
{{{
R(S.gen(8)
}}}
in this situation.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10173#comment:5>
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