#18358: a cython function that produces long given python input
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Reporter: | Owner:
vdelecroix | Status: positive_review
Type: | Milestone: sage-duplicate/invalid/wontfix
enhancement | Resolution:
Priority: major | Merged in:
Component: coercion | Reviewers:
Keywords: | Work issues:
Authors: Vincent | Commit:
Delecroix | Stopgaps:
Report Upstream: N/A |
Branch: |
Dependencies: |
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Comment (by jdemeyer):
For Python `int`s, there will not be much difference (calling
`PyNumber_Index(x)` on an `int` just returns `x`, so the only overhead is
a function call and some reference counting).
For `Integer`, there is a larger gain. It's just annoying that Python
doesn't allow defining a fast conversion `ArbitraryType` -> C `long`.
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Ticket URL: <http://trac.sagemath.org/ticket/18358#comment:5>
Sage <http://www.sagemath.org>
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