#8289: Clean up WordMorphism.__call__
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Reporter: slabbe | Owner: slabbe
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.3.3
Component: combinatorics | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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`WordMorphism.__call__` is doing a conversion of the input into the domain
which is not necessary. Basicly, all what is needed is that the input be
iterable. Here are some timing improvements :
BEFORE:
{{{
sage: m = WordMorphism('a->aab,b->ba')
sage: %timeit w = m('a'*100)
1000 loops, best of 3: 343 µs per loop
}}}
AFTER:
{{{
sage: m = WordMorphism('a->aab,b->ba')
sage: %timeit w = m('a'*100)
1000 loops, best of 3: 242 µs per loop
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8289>
Sage <http://www.sagemath.org>
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