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Newsgroups: comp.lang.python
Date: Mon, 26 Mar 2012 05:21:58 -0700 (PDT)
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Subject: Re: Puzzled by FiPy's use of "=="
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On Monday, 26 March 2012 09:16:07 UTC-3, Robert Kern  wrote:
> On 3/26/12 12:47 PM, Andr=E9 Roberge wrote:
> > In FiPy (a finite volume PDE solver), equations are "magically" set up =
as
> >
> > eqX =3D TransientTerm() =3D=3D ExplicitDiffusionTerm(coeff=3DD)
> >
> > and solved via
> >
> > eqX.solve(...)
> >
> > How can eqX be anything than True or False?...  This must be via a rede=
finition of "=3D=3D" but I can't see how that is done.  I did look at many =
of the source files, thinking that it must be via a redefinition of "__eq__=
" somewhere but with no luck.   Any pointers would be appreciated.
>=20
> It's in the root base class Term:
>=20
>    http://matforge.org/fipy/browser/trunk/fipy/terms/term.py#L374
>=20

I thought I looked at terms.py ... but I must have missed that.  Thanks!

> --=20
> Robert Kern
>=20
> "I have come to believe that the whole world is an enigma, a harmless eni=
gma
>   that is made terrible by our own mad attempt to interpret it as though =
it had
>   an underlying truth."
>    -- Umberto Eco