Comment #5 on issue 1823 by smichr: integral.atoms(Symbol) should introspect
http://code.google.com/p/sympy/issues/detail?id=1823
<<<in response to comment 1, I posted by email but I guess google doesn't
xfer it to
the list and it got lost. >>>
sy...@googlecode.com wrote:
Comment #1 on issue 1823 by Vinzent.Steinberg: integral.atoms(Symbol)
should introspect
http://code.google.com/p/sympy/issues/detail?id=1823
if 'Integral' in str(type(expr)) and (
type(typ) not in (list, tuple, set) and
typ.is_Symbol or typ is Symbol or 'Symbol' in str(typ)):
I'm not sure if this is to much magic. And the checks seem quite
redundant, at least
"typ.is_Symbol" and "typ is Symbol". Why the str(...) checks?
oops...but there is still the hackish check for a string in a string because
when someone calls like this,
Integral(x).atoms(Symbol)
I need a way to know that "Symbol" was passed. I don't know how to do that.
isinstance(Symbol('x'), Symbol) is True, but
isinstance(Symbol, Symbol) is not True since Symbol is a class
branch repushed.
/c
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