#13386: comparison of Sage integer with Numpy integer
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Reporter: vdelecroix | Owner: vdelecroix
Type: defect | Status: needs_info
Priority: major | Milestone: sage-5.7
Component: basic arithmetic | Resolution:
Keywords: integer, numpy, comparison | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Vincent Delecroix | Merged in:
Dependencies: #11714 | Stopgaps:
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Comment (by whuss):
I just added a patch, which avoids the loading of numpy during startup.
Unfortunately comparison with numpy types fail for all rings:
{{{
sage: import numpy
sage: QQ(1) == numpy.int32(1)
False
sage: QQbar(1) == numpy.int32(1)
False
sage: AA(1) == numpy.int32(1)
False
sage: RR(1) == numpy.int32(1)
False
sage: RDF(1) == numpy.int32(1)
False
sage: import numpy
sage: QQ(1) == numpy.int32(1)
False
sage: QQbar(1) == numpy.int32(1)
False
sage: AA(1) == numpy.int32(1)
False
sage: RR(1) == numpy.int32(1)
False
sage: RDF(1) == numpy.int32(1)
False
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13386#comment:5>
Sage <http://www.sagemath.org>
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