#12449: Improve the way that sage evaluates symbolic functions on basic types
---------------------------------------------+------------------------------
Reporter: bober | Owner: bober
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.0
Component: symbolics | Keywords: gamma function
Work_issues: | Upstream: N/A
Reviewer: Burcin Erocal, Jonathan Bober | Author: Jonathan Bober,
Burcin Erocal
Merged: | Dependencies: #4498, #12507,
#9130
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Comment(by Snark):
Replying to [comment:17 jdemeyer]:
> On iras (ia64):
> {{{
> sage -t --long -force_lib devel/sage/sage/rings/arith.py
> **********************************************************************
> File
"/home/buildbot/build/sage/cleo-1/cleo_full/build/sage-5.0.beta8/devel
/sage-main/sage/rings/arith.py", line 3066:
> sage: abs(binomial(0.5r, 5) - 0.02734375) < 1e-17r
> Expected:
> True
> Got:
> False
> **********************************************************************
> }}}
Three remarks:
1. that test is also one that is failing on ARM ; and there's a trac
ticket about binomial's implementation being pretty wrong (#12448).
2. should that test use "#tol abs" instead of doing the computation
itself?
3. shouldn't it be even a "#tol rel" ?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12449#comment:18>
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