#17224: Fix pickling of NC rings with weighted term order
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Reporter: tscrim | Owner: tscrim
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: pickling | Resolution:
Keywords: | Merged in:
Authors: Travis Scrimshaw | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/pickling/term_order_NC_plural-17224|
13a552e4bc9fca71db81f6d2bd1a766f8d782e8f
Dependencies: | Stopgaps:
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Changes (by tscrim):
* status: new => needs_review
* commit: => 13a552e4bc9fca71db81f6d2bd1a766f8d782e8f
* cc: mmarco, jhpalmieri (added)
* branch: => public/pickling/term_order_NC_plural-17224
Old description:
> The term order is pickled by the name rather than the object `TermOrder`.
> This causes problems for term orders which need additional arguments.
New description:
The term order is pickled by the name rather than the object `TermOrder`.
This causes problems for term orders which need additional arguments.
{{{
sage: from sage.rings.polynomial.term_order import TermOrder
sage: F.<x,y> = FreeAlgebra(QQ)
sage: g = F.g_algebra({y*x:-x*y}, order=TermOrder('wdegrevlex', [1,2]))
sage: loads(dumps(g)) # Boom
}}}
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Comment:
1 hour of my life for 2 lines... Needs review.
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New commits:
||[http://git.sagemath.org/sage.git/commit/?id=13a552e4bc9fca71db81f6d2bd1a766f8d782e8f
13a552e]||{{{Fix for pickling NC rings with weighted term order.}}}||
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Ticket URL: <http://trac.sagemath.org/ticket/17224#comment:1>
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