#18358: a cython function that produces long given python input
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Reporter: vdelecroix | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.7
Component: coercion | Keywords:
Merged in: | Authors: Vincent Delecroix
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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I met twice the same problem which is the nedd for a standalone function
that given a python objects return an associated long (if it makes sense).
The following is not safe
{{{
cdef long f(x):
return x
}}}
since `f(2/3)` would return `0` (see e.g. #18278). Moreover, one could
expect something that would be very fast for both Python int and Sage
integers (see #18346).
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Ticket URL: <http://trac.sagemath.org/ticket/18358>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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