#6870: [with third patch, needs review] Bug in binomial
------------------------------+---------------------------------------------
Reporter: hgranath | Owner: somebody
Type: defect | Status: new
Priority: minor | Milestone: sage-4.1.2
Component: basic arithmetic | Keywords: binomial
Reviewer: | Author:
Merged: |
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Comment(by kcrisman):
Unfortunately my Sage upgrade croaked, so I can't check it immediately.
I will try to do so as soon as possible.
However, what does this patch do with this?
{{{
sage: binomial(SR(3/2),SR(1/1))?
}}}
Trying x-m won't work on this. Note that
{{{
sage: type(SR(1/1).pyobject())
<type 'sage.rings.rational.Rational'>
}}}
which means you may still want a m=ZZ(m) or rational check once you have
discovered you aren't in the n+1 case. I may have that wrong, though,
since I can't actually try the patch out.
As for a trivial point, there is a misspelling of "coerce" as well.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6870#comment:11>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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