#19310: Pynac hashes are restricted to 32 bits
----------------------------------+----------------------------
Reporter: jdemeyer | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.9
Component: packages: standard | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
----------------------------------+----------------------------
`src/sage/symbolic/expression.pyx` claims
{{{
The hash of an object in Python or its coerced version into
the symbolic ring is the same::
}}}
This is unfortunately not true since Pynac uses the 32-bit `unsigned` data
type for hashes:
{{{
sage: hash(ZZ(2^32))
4294967296
sage: hash(SR(2^32))
0
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/19310>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/sage-trac.
For more options, visit https://groups.google.com/d/optout.
