[petsc-users] petsc4py bool type

[Garth N. Wells]

On 26 April 2017 at 09:06, Lisandro Dalcin <dalcinl at gmail.com> wrote:
> On 25 April 2017 at 19:48, Garth N. Wells <gnw20 at cam.ac.uk> wrote:
>> I'm seeing some behaviour with bool types in petsc4py that I didn't
>> expect. In the Python interface, returned Booleans have type '<class
>> 'int'>', where I expected them to have type ' <class 'bool'>'. Below
>> program illustrates issue. Seems to be related to bint in cython. Am I
>> doing something wrong?
>
> Wow! Yes, you are right, this seems like a regression in Cython. In
> the past, a <bint> cast used to coerce values to the Python `bool`
> type. Damn, these casts are everywhere, it might take a while to fix
> all the code, unless I can find a hacky way to workaround the issue.
>

I've created an issue at https://bitbucket.org/petsc/petsc4py/issues/63/.

>From some quick testing, Cython maps int correctly via the bint cast,
but not PetscBool.

Garth

>
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> Lisandro Dalcin
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