#13359: [Performance] Expression::__nonzero__ shouldn't call variables() unless
it
is necessary
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Reporter: tkluck | Owner: tbd
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.3
Component: performance | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Mike Hansen
Authors: Timo Kluck | Merged in:
Dependencies: | Stopgaps:
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Comment (by tkluck):
Good suggestion, here's a patch.
This is a minor point in the sense that it doesn't affect the algorithm's
complexity, but you're right that it's probably cheaper.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13359#comment:3>
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