#18358: a cython function that produces long given python input
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Reporter: vdelecroix | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.7
Component: coercion | Resolution:
Keywords: | Merged in:
Authors: Vincent Delecroix | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by nbruin):
Replying to [comment:5 jdemeyer]:
> For `Integer`, there is a larger gain. It's just annoying that Python
doesn't allow defining a fast conversion `ArbitraryType` -> C `long`.
It does! It's called `tp_hash` :-). It's of course already taken for other
purposes. We'd need an extra slot. Something along the lines of the
conversion macro suggested in comment:4 would probably be the best we can
do without it.
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Ticket URL: <http://trac.sagemath.org/ticket/18358#comment:7>
Sage <http://www.sagemath.org>
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