On Dec 28, 2007 10:09 AM, kent-and <[EMAIL PROTECTED]> wrote:
>
>
> Hi, I would like to be able to switch between swiginac and sympy
> objects to be able to test both packages (for a while). I have a
> problem with multiplication with sympy objects.
>
>
> import swiginac
> import sympy
>
> x = swiginac.symbol("x")
> y = sympy.Symbol("y")
>
> class Foo:
>
> def __init__(self):
> self.field = 1.0
>
> def __mul__(self, other):
> print "Multiplication in Foo from right"
> self.field = self.field * other
>
> def __rmul__(self, other):
> print "Multiplication in Foo from left"
> self.field = other * self.field
>
> f = Foo()
>
> f*x # works
> x*f # works
>
> f*y # works
> y*f # does not work
>
>
> What should I do about this ?
Report it, as you just did. :) It's fixed and tested by this patch:
http://hg.sympy.org/sympy/rev/732fc3bf4162
Ondrej
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