dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, Aug 24, 2009 at 03:49:10PM +0200, 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:   6842:4e1891827208fcab16bc207076618e6b4285aed6
> tag:         tip
> user:        "Garth N. Wells <gnw20@xxxxxxxxx>"
> date:        Mon Aug 24 14:46:15 2009 +0100
> files:       demo/pde/elasticity/cpp/main.cpp dolfin/fem/DofMap.cpp dolfin/fem/DofMap.h dolfin/function/Function.cpp dolfin/function/Function.h dolfin/function/FunctionSpace.cpp dolfin/function/FunctionSpace.h dolfin/function/SpecialFunctions.h
> description:
> Work on copying of sub functions.
>
> Creating a Function u0
>
>   Function u0 = u[0];
>
> npw invovles a deep copy, i.e. u0 will have its own vector which will be shorter than that of u, as it was before the recent re-design.
>
> Recall that copies can be avoided by doing
>
>   Function& u0 = u[0];

Really nice. Almost like magic.

--
Anders


>
> changeset:   6841:857728077ba8b73b2f7bf9d918c7da62a958bb1d
> user:        "Johan Hake <hake@xxxxxxxxx>"
> date:        Mon Aug 24 12:26:53 2009 +0200
> files:       ChangeLog dolfin/swig/typemaps.i
> description:
> Fix in-typemap for uint
>   - Python2.6 introduced an incompatability wrt int typechecks in the
>     c-api, making function wanting a dolfin::uint complain, when handed a
>     numpy.XXint.
>
>
> changeset:   6840:aa7ba4aea1e817ff1888e85ba32ef815a67a2ab6
> user:        "Johan Hake <hake@xxxxxxxxx>"
> date:        Sun Aug 23 23:27:57 2009 +0200
> files:       dolfin/swig/dolfin.i dolfin/swig/dolfin_la_post.i dolfin/swig/dolfin_la_pre.i dolfin/swig/dolfin_shared_ptr_classes.i
> description:
> Added in/out typemaps for shared_ptr<Epetra_FEFoo>.
>   - EpetraVector.vec() and EpetraMatrix.mat() now returns
>     a PyTrilinos proxy class of the underlying Epetra object.
>     (you just have to import PyTrilinos.Epetra first)
>   - The Constructors taking shared version of these objects also work now.
>   - Added a macro for in/out typemaps for shared_ptr wrapping of
>     such "foreign" classes.
>   - Use these functions with care as the underlying sharedness of these objects are
>     destroyed, as PyTrilinos does not use shared_ptr for their types.
>
> ----------------------------------------------------------------------
> For more details, visit http://www.fenics.org/hg/dolfin
> _______________________________________________
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