#11019: BooleanPolynomial.lex_lead() shouldn't crash on zero
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Reporter: malb | Owner: malb
Type: defect | Status: new
Priority: major | Milestone: sage-4.7
Component: commutative algebra | Keywords: polybori, sigsegv
Author: Martin Albrecht | Upstream: None of the above - read
trac for reasoning.
Reviewer: | Merged:
Work_issues: |
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This is bad:
{{{
#!python
sage: B.<a,b,c> = BooleanPolynomialRing()
sage: B(0).lex_lead()
terminate called after throwing an instance of
'polybori::PBoRiGenericError<7u>'
what(): Illegal operation on zero diagram or (sub-)polynomial.
/home/malb/Sage/current/local/bin/sage-sage: line 300: 10210 Aborted
sage-ipython "$@" -i
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11019>
Sage <http://www.sagemath.org>
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