#19500: PolynomialRing: Strange errors with invalid term order
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Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.10
Component: basic arithmetic | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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All these should be `ValueError`:
{{{
sage: PolynomialRing(QQ, 'x', 3, order='lex(3),degrevlex(0)')
...
AssertionError
}}}
{{{
sage: PolynomialRing(QQ, 'x', 3, order='lex(3),degrevlex(1)')
...
TypeError: Term order length does not match the number of generators
}}}
{{{
sage: PolynomialRing(QQ, 'x', 3, order='foo')
...
TypeError: Unknown term order 'foo'
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/19500>
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