Updates:
Summary: is_zero should default to None, not False
Comment #15 on issue 2052 by asmeu...@gmail.com: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
I agree it should default to None, rather than False. What are some good
ways
Updates:
Labels: CodeInImportedIntoMelange
Comment #16 on issue 2052 by pr...@goodok.ru: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
(No comment was entered for this change.)
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Comment #17 on issue 2052 by ronan.l...@gmail.com: is_zero should default
to None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
What is the GCI task supposed to be here?
In any case, this is not an issue with defaults. is_zero returns False
because evalf-ing the expressio
Updates:
Status: Invalid
Comment #18 on issue 2052 by asmeu...@gmail.com: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
Ah, OK. I guess it does return None for symbolic expressions. So this
isn't really an issue.
I actually don't
Updates:
Status: Accepted
Comment #19 on issue 2052 by smi...@gmail.com: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
The problem is that False is returned for a numerical expression (not a
Float) that is definitely is zero:
e = -
Updates:
Labels: -CodeInDifficulty-Easy CodeInDifficulty-Hard
Comment #20 on issue 2052 by smi...@gmail.com: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
In assumptions.py, something like the marked line should be added:
i
Comment #21 on issue 2052 by asmeu...@gmail.com: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
Maybe it will be useful to just add a HartToFix label.
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"sympy-issues"
Updates:
Labels: -CodeInDifficulty-Hard Evalf
Comment #22 on issue 2052 by smi...@gmail.com: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
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Updates:
Labels: -CodeInCategory-Code -CodeInImportedIntoMelange smichr
NeedsReview
Comment #24 on issue 2052 by smi...@gmail.com: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
e.is_zero is now None in https://github.com/sympy/sympy/pu
Updates:
Status: Fixed
Comment #25 on issue 2052 by smi...@gmail.com: is_zero should default to
None, not False
http://code.google.com/p/sympy/issues/detail?id=2052
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