Updates:
Cc: ondrej.certik asmeurer
Labels: NeedsBetterPatch
Comment #1 on issue 1585 by smichr: expression expanded indiscriminantly
http://code.google.com/p/sympy/issues/detail?id=1585
I've made changes to core Mul and simplify that try to preserve the
integrity of
expanded or joined expressions in terms of not separating things about
which nothing
is known about their sign. All tests pass except for 3 that are somewhat
obscure:
when I run them from the command line with the runtests script I get errors
from 3
tests but if I load those files in the interpreter and run them there is no
error
raised.
The errors are raised from solvers\tests\test_recurr.py
I really need someone else to help me with this. I have no idea why it's
giving this
behavior. If someone could just pull my "quart" branch from
http://github.com/smichr/sympy/commits/quart
and see if you get errors or not, that would be one way to help. But then
if someone
could figure out why the errors don't occur in the interpreter that would
be even better.
/c
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