dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Wed, Sep 30, 2009 at 05:25:01PM +0100, Garth N. Wells wrote:
>
>
> DOLFIN wrote:
> > One or more new changesets pushed to the primary dolfin repository.
> > A short summary of the last three changesets is included below.
> >
> > changeset:   7190:f53c5b481d28
> > tag:         tip
> > user:        "Garth N. Wells <gnw20@xxxxxxxxx>"
> > date:        Wed Sep 30 17:07:18 2009 +0100
> > files:       dolfin/fem/Form.cpp dolfin/fem/Form.h dolfin/fem/UFC.cpp dolfin/function/SpecialFunctions.cpp dolfin/function/SpecialFunctions.h
> > description:
> > Prepare for probable removal of Function::Functon().
> >
> > Make appropriate class in SpecialFunctions subclasses of Expression.
> >
>
> DOLFIN can be compiled now without the constructor Function::Function(),
> but the demos can't. Need to think about how functions can be best
> initialised in the generated code.

Either we specify it at the time of construction:

  Function u(V);
  problem.solve(u);

or we let problem hold the function and return it by reference:

  Function&u = problem.solve();

I'll start with the first option since it's less magic.

--
Anders


> Garth
>
> >
> > changeset:   7189:3782f3222642
> > user:        "Garth N. Wells <gnw20@xxxxxxxxx>"
> > date:        Wed Sep 30 16:52:58 2009 +0100
> > files:       demo/pde/poisson/cpp/main.cpp dolfin/fem/Assembler.cpp dolfin/fem/Form.cpp dolfin/fem/Form.h dolfin/fem/SystemAssembler.cpp dolfin/fem/VariationalProblem.cpp dolfin/function/SpecialFunctions.h
> > description:
> > Return shared_ptr to FunctionSpaces from Form rather than references.
> >
> > This makes it possible to initialise Functions without fear that the function space will go out of scope. See VariationalProblem.
> >
> >
> > changeset:   7188:437ee8b12a41
> > user:        "Garth N. Wells <gnw20@xxxxxxxxx>"
> > date:        Wed Sep 30 16:04:46 2009 +0100
> > files:       demo/pde/poisson/cpp/main.cpp dolfin/function/Function.cpp dolfin/function/Function.h
> > description:
> > Remove some code.
> >
> > ----------------------------------------------------------------------
> > For more details, visit http://www.fenics.org/hg/dolfin
> > _______________________________________________
> > DOLFIN-dev mailing list
> > DOLFIN-dev@xxxxxxxxxx
> > http://www.fenics.org/mailman/listinfo/dolfin-dev
>
> _______________________________________________
> DOLFIN-dev mailing list
> DOLFIN-dev@xxxxxxxxxx
> http://www.fenics.org/mailman/listinfo/dolfin-dev

Attachment: signature.asc
Description: Digital signature