[Dune] Fwd: Re: Pulling latest dune-grid, test does not compile

[Aleksejs Fomins]

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Dear Christian,

Thank you for your reply.

I am subscribed to dune-devel, I will subscribe to the commit now.
The problem was entirely mine, as I was explicitly returning EntityPointer for CurvilinearIntersection::outside(), and the facade class did not complain about it, because it still has std::conditional there.

I just missed the moment at which this transition happened.

Best,
Aleksejs

On 19/03/15 14:46, Christian Engwer wrote:
> 
> 
> 
> -------- Ursprüngliche Nachricht --------
> Von: Christian Engwer <christian.engwer at uni-muenster.de>
> Gesendet: 19. März 2015 14:45:37 MEZ
> An: Aleksejs Fomins <aleksejs.fomins at lspr.ch>
> Betreff: Re: [Dune] Pulling latest dune-grid, test does not compile
> 
> Dear Aleksejs
> 
> a) yes, they are now expected to return an entity.
> b) this is something discussed for a long time already. Different people asked about this on the mailinglist, it is listed in the recent changes and it was observable in the commits. As you didn't realise this, and as you are developing something so close to the core libraries, I strongly suggest to subscribe to the dune-devel and the dune-commit lists.
> c) thus whole change should actually not be a problem for you, if you are using the facades; aren't you? Of you are using the facades, but still encounter this problem, there is a big in the facades and it would be great if you provide more details, so that we can try to find the actual problem.
> 
> Christian
> 
> Am 19. März 2015 10:48:52 MEZ, schrieb Aleksejs Fomins <aleksejs.fomins at lspr.ch>:
> Dear Dune,
> 
> After pulling the latest dune-grid and compiling the test that uses
> gridcheck, I get the error
> 
> 
> /home/fomins/gitwork/hades-github-lspr-ag/dune-grid/dune/grid/test/checkcommunicate.hh:346:51:
> error: conversion from ‘std::conditional<false, Dune::Entity<0, 3,
> const Dune::CurvilinearGrid<3, 3, double, false>,
> Dune::CurvGrid::CurvEntity>, Dune::EntityPointer<const
> Dune::CurvilinearGrid<3, 3, double, false>,
> Dune::CurvGrid::CurvEntityPointer<0, const Dune::CurvilinearGrid<3, 3,
> double, false> > > >::type {aka Dune::EntityPointer<const
> Dune::CurvilinearGrid<3, 3, double, false>,
> Dune::CurvGrid::CurvEntityPointer<0, const Dune::CurvilinearGrid<3, 3,
> double, false> > >}’ to non-scalar type
> ‘CheckCommunication<Dune::GridView<Dune::DefaultLeafGridViewTraits<const
> Dune::CurvilinearGrid<3, 3, double, false>,
> (Dune::PartitionIteratorType)4u> >, 3, Dune::DebugStream<1u, 4u>
>>>> ::Entity {aka Dune::Entity<0, 3, const Dune::CurvilinearGrid<3, 3,
> double, false>, Dune::CurvGrid::CurvEntity>}’ requested
>               Entity neigh = intersection.outside();
> 
> Which basically expects intersection.outside() to be an entity and not
> an entity pointer. Is this expected?
> 
> Regards,
> Aleksejs
>>
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> 
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