#20375: faster is_one for integer matrices
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Reporter: vdelecroix | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-7.2
Component: linear algebra | Keywords:
Merged in: | Authors: Vincent Delecroix
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Using `fmpz_mat_is_one` directly from FLINT the code gets faster
Before
{{{
sage: m = matrix(2, [1,0,0,1])
sage: %timeit m.is_one()
1000000 loops, best of 3: 638 ns per loop
}}}
After
{{{
sage: %timeit m.is_one()
1000000 loops, best of 3: 137 ns per loop
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/20375>
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