dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, May 29, 2006 at 07:40:28PM +0200, Garth N. Wells wrote:
> On Mon, 2006-05-29 at 19:34 +0200, Anders Logg wrote:
> > On Mon, May 29, 2006 at 07:29:34PM +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:   1960:a7f783f945976c24f7f54d549d3af76c45c30612
> > > tag:         tip
> > > parent:      1959:189ad5b395cb410ba6a45d7a4a5f91c9865b0034
> > > parent:      1958:cce2724314dccaf2c426edabe3ad1d3ea1f004b1
> > > user:        "Garth N. Wells <g.n.wells@xxxxxxxxxx>"
> > > date:        Mon May 29 19:29:27 2006 +0200
> > > files:       
> > > description:
> > > merge
> > > 
> > > 
> > > changeset:   1959:189ad5b395cb410ba6a45d7a4a5f91c9865b0034
> > > parent:      1957:e52484e9ba196d7ec4d5e66fd584c133ee020691
> > > user:        "Garth N. Wells <g.n.wells@xxxxxxxxxx>"
> > > date:        Mon May 29 19:27:53 2006 +0200
> > > files:       src/kernel/function/ConstantFunction.cpp src/kernel/function/DiscreteFunction.cpp src/kernel/function/Function.cpp src/kernel/function/FunctionPointerFunction.cpp src/kernel/function/UserFunction.cpp src/kernel/function/dolfin/ConstantFunction.h src/kernel/function/dolfin/DiscreteFunction.h src/kernel/function/dolfin/Function.h src/kernel/function/dolfin/FunctionPointerFunction.h src/kernel/function/dolfin/GenericFunction.h src/kernel/function/dolfin/UserFunction.h src/kernel/la/dolfin/DenseVector.h
> > > description:
> > > Remove all PETSc ifdef's from src/kernel/function. DenseVector is
> > > used to store discrete values if PETSc is not enabled.
> > 
> > Is there no uBlasSparseVector?
> > 
> 
> There is a uBlas sparse vector, but I don't see the point in using it as
> our vectors are generally not sparse. Does PETSc use sparse storage for
> vectors? I have the feeling that it doesn't.
> 
> Garth

I don't see a point in sparse vectors either, just thinking about how
to make it consistent. Now SparseMatrix may or may not work together
with DenseMatrix (in solve()), depending on whether we compile with PETSc.

/Anders