#8565: atan2(-pi,0) throws "divide by zero"
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Reporter: burcin | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone:
Component: symbolics | Keywords: pynac
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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From sage-devel:
{{{
the summary is:
-------------------
atan2(3,0) --> 1/2*pi
atan2(-3,0) --> -1/2*pi
atan2(pi,0) --> 1/2*pi
atan2(-pi,0) --> RuntimeError: power::eval(): division by zero
--------------------
}}}
sage-devel thread is here:
http://groups.google.com/group/sage-devel/t/317e6bfe11fabb4
also reported on sage-support:
http://groups.google.com/group/sage-support/t/02f3446e68381346
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8565>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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