#9633: binomial does not accept float
--------------------------------+-------------------------------------------
Reporter: Henryk.Trappmann | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone:
Component: basic arithmetic | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
--------------------------------+-------------------------------------------
{{{
sage: binomial(0.5r,5)
---------------------------------------------------------------------------
AttributeError Traceback (most recent call
last)
/home/bo198214/projects/<ipython console> in <module>()
/opt/sage-4.5-linux-32bit-ubuntu_10.04_lts-i686-Linux/local/lib/
python2.6/site-packages/sage/rings/arith.pyc in binomial(x, m)
2887 if isinstance(x, (float, sage.rings.real_mpfr.RealNumber,
2888 sage.rings.real_mpfr.RealLiteral)):
-> 2889 P = x.parent()
2890 if m < 0:
2891 return P(0)
AttributeError: 'float' object has no attribute 'parent'
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9633>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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