Anders Logg wrote: > 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 <gn...@cam.ac.uk>" >>> 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); >
I've already done something along these lines VariationalProblem. > 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. > The issue is with functions that we attach to forms - I guess we just need to define them all with a function space (can be tedious when there are a lot). Garth > -- > Anders > > >> Garth >> >>> changeset: 7189:3782f3222642 >>> user: "Garth N. Wells <gn...@cam.ac.uk>" >>> 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 <gn...@cam.ac.uk>" >>> 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@fenics.org >>> http://www.fenics.org/mailman/listinfo/dolfin-dev >> _______________________________________________ >> DOLFIN-dev mailing list >> DOLFIN-dev@fenics.org >> http://www.fenics.org/mailman/listinfo/dolfin-dev >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> DOLFIN-dev mailing list >> DOLFIN-dev@fenics.org >> http://www.fenics.org/mailman/listinfo/dolfin-dev _______________________________________________ DOLFIN-dev mailing list DOLFIN-dev@fenics.org http://www.fenics.org/mailman/listinfo/dolfin-dev
