On Sat, Mar 12, 2011 at 01:01:43AM +0000, Garth N. Wells wrote: > > > On 11/03/11 15:51, Johan Hake wrote: > > On Mar 11, 2011, at 3:10, "Garth N. Wells" <[email protected]> wrote: > > > >> > >> > >> On 11/03/11 00:24, Anders Logg wrote: > >>> On Thu, Mar 10, 2011 at 04:20:51PM -0800, Johan Hake wrote: > >>>> On Thursday March 10 2011 16:17:49 Anders Logg wrote: > >>>>> On Fri, Mar 11, 2011 at 12:53:16AM +0100, Anders Logg wrote: > >>>>>> On Thu, Mar 10, 2011 at 11:39:52PM +0000, Garth N. Wells > >>>>>> wrote: > >>>>>>> On 10/03/11 23:38, Anders Logg wrote: > >>>>>>>> I'm having trouble passing a MeshFunction from the > >>>>>>>> Python interface to > >>>>>>>> > >>>>>>>> the following function in the C++ Form class: void > >>>>>>>> set_cell_domains(boost::shared_ptr<const > >>>>>>>> MeshFunction<uint> > cell_domains); > >>>>>>> > >>>>>>> Change this to > >>>>>>> > >>>>>>> void set_cell_domains(boost::shared_ptr<const > >>>>>>> MeshFunction<unsigned > >>>>>>> > >>>>>>> int> > cell_domains); > >>>>>>> > >>>>>>> (uint -> unsigned int) > >>>>>> > >>>>>> Same problem (but with uint --> unsigned int): > >>>>>> > >>>>>> TypeError: in method 'Form_set_cell_domains', argument 2 of > >>>>>> type 'boost::shared_ptr< dolfin::MeshFunction< unsigned int > >>>>>> > const >' > >>>>>> > >>>>>> Printing out type() for the argument just prior to the call > >>>>>> gives > >>>>>> > >>>>>> <class 'dolfin.cpp.MeshFunctionUInt'> > >>>>>> > >>>>>> So somehow it is not recognized that > >>>>>> dolfin.cpp.MeshFunctionUint can be used as a > >>>>>> 'boost::shared_ptr< dolfin::MeshFunction< unsigned int > > >>>>>> const >. > >>>>> > >>>>> I have temporarily added pure pointer versions of the > >>>>> set_foo_domains functions in the Form class. These work fine > >>>>> from Python. These should be removed as soon as we figure out > >>>>> how to pass the arguments as shared ptrs. > >>>> > >>>> I need some time to get into the changes Garth has done. If it > >>>> is not fixed by then I can take a look at it, weekendish... > >>> > >> > >> I looks like shared_ptrs are not declared for MeshFunctions in the > >> SWIG version < 2 part of the interface. > > > > That should be easily fixed. > > > >> When do we want to move to SWIG 2 only? > > > > I think it would be nice to try this for the next release. If we > > decide for it I can take a shot at it sometime next week. > > > > I say that we do it now - I'm tired of wasting time making the old > version of SWIG work (I need SWIG 2.0 for Trilinos). 2.0 is *much* > better for shared pointers. > > We can make the change now and developers can install the SWIG 2. We can > figure out the swig2.0 executable issue during the next week. > > If anyone has an objection, please speak up quickly.
No objections. -- Anders _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : [email protected] Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp

