#11423: Make atan2(0,0) consistent
-------------------------+--------------------------------------------------
Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.1
Component: symbolics | Keywords: sd31
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
-------------------------+--------------------------------------------------
Changes (by vbraun):
* keywords: => sd31
Comment:
I made a patch to pynac yield the following. I'll try to push the patch
into the new pynac release at #9880.
{{{
sage: atan2(0,0)
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call
last)
/home/vbraun/opt/sage-4.7.1.alpha2/devel/sage-main/<ipython console> in
<module>()
/home/vbraun/Sage/sage/local/lib/python2.6/site-
packages/sage/symbolic/function.so in
sage.symbolic.function.GinacFunction.__call__
(sage/symbolic/function.cpp:6712)()
/home/vbraun/Sage/sage/local/lib/python2.6/site-
packages/sage/symbolic/function.so in
sage.symbolic.function.Function.__call__
(sage/symbolic/function.cpp:4650)()
RuntimeError: arctan2_eval(): arctan2(0,0) encountered
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11423#comment:2>
Sage <http://www.sagemath.org>
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