#8426: polynomial * constant does not work if constant is a numpy type
-----------------------+----------------------------------------------------
Reporter: jason | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-4.3.4
Component: algebra | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
-----------------------+----------------------------------------------------
This should work:
{{{
import numpy
R.<x>=RR[]
x*numpy.float32('23.0')
}}}
Instead, I get:
{{{
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/home/jason/tmp/<ipython console> in <module>()
/home/jason/sage/local/lib/python2.6/site-
packages/sage/structure/element.so in
sage.structure.element.RingElement.__mul__
(sage/structure/element.c:11337)()
/home/jason/sage/local/lib/python2.6/site-
packages/sage/structure/coerce.so in
sage.structure.coerce.CoercionModel_cache_maps.bin_op
(sage/structure/coerce.c:6994)()
TypeError: unsupported operand parent(s) for '*': 'Univariate Polynomial
Ring in x over Real Field with 53 bits of precision' and '<type
'numpy.float32'>'
}}}
Note that this does work:
{{{
sage: numpy.float32('23.0')*x
23.0000000000000*x
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8426>
Sage <http://www.sagemath.org>
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