dolfin team mailing list archive

[Kristian Oelgaard <k.b.oelgaard@xxxxxxxxxx>]

I got this e-mail twice, from Launchpad and DOLFIN. If I go to:

https://bugs.launchpad.net/dolfin/+bug/424411

I see the Marie is in the subscribers section and:

Andy, DOLFIN mailing list, FEniCS team and Johan Hake are in the also notified
section. I'm a member of both the DOLFIN mailing list and the FEniCS team, is
that why I got two, and did Johan Hake get three?

Kristian

Quoting Marie Rognes <meg@xxxxxxxxx>:

> Public bug reported:
>
>
> The representation of a form changes somewhat erratically when the same code
> is run multiple times
>
> Cf:
>
> { v_0 * <Function in <Function space of dimension 9 (<CG1 on a <triangle of
> degree 1>>)>> } * dx0
> { v_0 * w_0 } * dx0
>
> as output from:
>
> from dolfin import *
>
> for i in range(2):
>
>     mesh = UnitSquare(2, 2)
>     V_h = FunctionSpace(mesh, "CG", 1)
>     f = Function(V_h, "1.0")
>     u = TrialFunction(V_h)
>     v = TestFunction(V_h)
>     a = inner(grad(v), grad(u))*dx
>     l = dot(v, f)*dx
>     pde = VariationalProblem(a, l)
>     print pde.L.form_data.form
>
> ** Affects: dolfin
>      Importance: Undecided
>          Status: New
>
> --
> Inconsistency in form_data upon multiple runs
> https://bugs.launchpad.net/bugs/424411
> You received this bug notification because you are subscribed to DOLFIN.
>
> Status in DOLFIN: New
>
> Bug description:
>
> The representation of a form changes somewhat erratically when the same code
> is run multiple times
>
> Cf:
>
> { v_0 * <Function in <Function space of dimension 9 (<CG1 on a <triangle of
> degree 1>>)>> } * dx0
> { v_0 * w_0 } * dx0
>
> as output from:
>
> from dolfin import *
>
> for i in range(2):
>
>     mesh = UnitSquare(2, 2)
>     V_h = FunctionSpace(mesh, "CG", 1)
>     f = Function(V_h, "1.0")
>     u = TrialFunction(V_h)
>     v = TestFunction(V_h)
>     a = inner(grad(v), grad(u))*dx
>     l = dot(v, f)*dx
>     pde = VariationalProblem(a, l)
>     print pde.L.form_data.form
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