#8775: Bug in conjugate of symbolic ring
-------------------------+--------------------------------------------------
Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: critical | Milestone: sage-4.4.1
Component: symbolics | Keywords:
Author: | Upstream: Not yet reported upstream; Will do
shortly.
Reviewer: | Merged:
Work_issues: |
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Changes (by kcrisman):
* upstream: N/A => Not yet reported upstream; Will do shortly.
Comment:
From Burcin Erocal on the same thread:
{{{
This is a bug in GiNaC:
ginsh - GiNaC Interactive Shell (ginac V1.5.7)
__, _______ Copyright (C) 1999-2010 Johannes Gutenberg University
Mainz,
(__) * | Germany. This is free software with ABSOLUTELY NO
WARRANTY.
._) i N a C | You are welcome to redistribute it under certain
conditions.
<-------------' For details type `warranty;'.
Type ?? for a list of help topics.
> sqrt(-3);
sqrt(-3)
> conjugate(sqrt(-3));
sqrt(-3)
For conjugation, power objects just compute the conjugate of the basis
and the exponent, and construct a new power object from these. Here is
the relevant function:
http://pynac.sagemath.org/hg/file/3ece9ba22005/ginac/power.cpp#l805
}}}
I'm changing this to "not yet reported upstream".
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8775#comment:1>
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