[Dune] entity.geometry() is inaccessible

Aleksejs Fomins aleksejs.fomins at lspr.ch
Fri Feb 13 09:16:26 CET 2015


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Glory to you, Jö. I made a big mistake there.

Thanks,
Aleksejs

On 12/02/15 18:22, Jö Fahlke wrote:
> Am Thu, 12. Feb 2015, 16:18:21 +0100 schrieb Aleksejs Fomins:
>> Dear Dune,
>> 
>> I have another bug that I do not seem to know how to fix
>> 
>> I have 3 entity members class CurvEntityBase<...> - Contains
>> methods available to all codimensions
>> 
>> class CurvEntity<codim, ...> : CurvEntityBase<codim, ...> - 
>> actual entity class which has 0 own members, and only
>> initializes CurvEntityBase
> 
> Not sure whether this is just an artifact of how you explained
> this, but that should be either
> 
> class CurvEntity<codim, ...> : public CurvEntityBase<codim, ...>
> 
> or
> 
> struct CurvEntity<codim, ...> : CurvEntityBase<codim, ...>
> 
> Otherwise you're deriving privately.
> 
> Makeing CurvilinearGrid a friend of CurvEntityBase does not help
> either, because it is the Dune::Entity facade class that is trying
> to call geometry, not the grid.
> 
> Regards, Jö.
> 
>> class CurvEntity<0, ...> : CurvEntityBase<0, ...> -
>> specialization for codim=0 entities, has extra members
>> 
>> 
>> When the GridCheck attempts to call a realEntity.geometry() or 
>> realEntity.level(), I get the error
>> 
>> 
>> /home/fomins/gitwork/hades-github-lspr-ag/dune-curvilineargrid/dune/curvilineargrid/curvilineargrid/entity.hh:126:13:
>>
>> 
error: ‘Dune::CurvGrid::CurvEntityBase<codim, dim, Grid>::Geometry
>> Dune::CurvGrid::CurvEntityBase<codim, dim, Grid>::geometry()
>> const [with int codim = 0; int dim = 3; Grid = const 
>> Dune::CurvilinearGrid<3, 3, double>; 
>> Dune::CurvGrid::CurvEntityBase<codim, dim, Grid>::Geometry = 
>> Dune::Geometry<3, 3, const Dune::CurvilinearGrid<3, 3, double>, 
>> Dune::CurvGrid::CurvGeometry>]’ is inaccessible Geometry geometry
>> () const { return 
>> Geometry(GeometryImpl(gridbase_.entityGeometry<codim>(*gridbaseIndexIterator_)));
>>
>> 
}
>> ^ In file included from 
>> /home/fomins/gitwork/hades-github-lspr-ag/dune-grid/dune/grid/common/grid.hh:1403:0,
>>
>> 
from
>> /home/fomins/gitwork/hades-github-lspr-ag/dune-curvilineargrid/dune/curvilineargrid/curvilineargrid/grid.hh:8,
>>
>> 
from
>> /home/fomins/gitwork/hades-github-lspr-ag/dune-curvilineargrid/dune/curvilineargrid/test/test-curvgrid.cc:12:
>>
>> 
/home/fomins/gitwork/hades-github-lspr-ag/dune-grid/dune/grid/common/entity.hh:326:61:
>> error: within this context Geometry geometry () const { return
>> realEntity.geometry(); }
>> 
>> 
>> 
>> 
>> note that geometry() and level() are public member functions of 
>> CurvEntityBase, and CurvilinearGrid has this class as friend.
>> 
>> Any suggestions?
>> 
>> Aleksejs
>> 
>> _______________________________________________ Dune mailing
>> list Dune at dune-project.org 
>> http://lists.dune-project.org/mailman/listinfo/dune
> 
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