Updates:
Cc: asmeurer
Comment #4 on issue 1495 by smichr: minus problem
http://code.google.com/p/sympy/issues/detail?id=1495
This is a new fix to the issue that doesn't break anything and that fixes
the
infinite recursion encountered with
>>> var('a x')
>>> (x*(-2*a*x - 2*x**3)).could_extract_minus_sign()
There are some docstring updates, too. All is pushed to the quart branch at
http://github.com/smichr. The quart branch also contains all the updates to
the
quartic and poly routines. I wasn't sure where to post this since I already
posted
the patch for the quartic (but didn't push it to github).
So just to be clear: at the quart branch at github are the fixes to the
quartic
routine, some updated tests and a preliminary patch that fixes the infinite
recursion
problem above.
/c
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