[Dune] dune-functions does not compile with clang anymore

[Steffen Müthing]

Hi Simon,

> Am 29.04.2016 um 10:15 schrieb Simon Praetorius <simon.praetorius at tu-dresden.de>:
> 
> Hello again,
> 
> the dune-functions module (in combination with the latest dune-common and dune-typetree), I mean the corresponding examples, compiles fine with gcc-5.3, but not with clang-3.8.0 (the error-message is appended)
> 
> I tried to identify the error myself, but actually I failed. I know that it compiled fine at around March 10th, so changes since then must be the source of the error. And the only meaningful changes in the files involved are related to a switch from
> 
> Std::integer_sequence to std::integer_sequence
> 
> i.e. replace the c++14 backport with the std library implementation. But maybe some other changes are involved.

what system are you running on? Most importantly, what is your system GCC? Is it gcc-5.3 or an older compiler?
By default, clang picks up the libstdc++ from your system compiler, if that one is older than 5 (or maybe 4.9, I’m
not entirely sure right now), it will be missing std::integer_sequence.

Steffen

> 
> 
> Simon
> 
> 
> Error-message:
> ------------------------
> In file included from /opt/sources/dune/dune-functions/examples/stokes-taylorhood.cc:21:
> In file included from /opt/sources/dune/dune-functions/dune/functions/functionspacebases/interpolate.hh:12:
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:95:33: error: no matching function for call to 'child'
>          using type = decltype(child(std::declval<Node>().child(0),std::declval<J>()...));
>                                ^~~~~
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:112:20: note: in instantiation of template class 'Dune::TypeTree::impl::_lazy_dynamic_decltype<Dune::Functions::PowerBasisNode<unsigned long,
> Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0> >, Dune::Functions::PQkNode<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2, Dune::EquidistantCoordinates<double, 2> > > >, 2, unsigned
>      long, Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0>, unsigned long> >, 2> >::evaluate<std::integer_sequence<unsigned long> >' requested here
>          >::type::template evaluate<J...>::type
>                   ^
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:220:72: note: while substituting deduced template arguments into function template 'child' [with Node = Dune::Functions::PowerBasisNode<unsigned long,
> Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0> >, Dune::Functions::PQkNode<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2, Dune::EquidistantCoordinates<double, 2> > > >, 2, unsigned
>      long, Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0>, unsigned long> >, 2>, J = <std::integer_sequence<unsigned long>>]
>    auto child(Node&& node, HybridTreePath<Indices...> tp) -> decltype(impl::child(std::forward<Node>(node),tp,tp.enumerate()))
> ^
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:259:51: note: while substituting deduced template arguments into function template 'child' [with Node = Dune::Functions::PowerBasisNode<unsigned long,
> Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0> >, Dune::Functions::PQkNode<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2, Dune::EquidistantCoordinates<double, 2> > > >, 2, unsigned
>      long, Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0>, unsigned long> >, 2>, Indices = <>]
>        using type = typename std::decay<decltype(child(std::declval<Node>(),std::declval<TreePath>()))>::type;
>                                                  ^
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:276:5: note: in instantiation of template class 'Dune::TypeTree::impl::_ChildForTreePath<Dune::Functions::PowerBasisNode<unsigned long,
> Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0> >, Dune::Functions::PQkNode<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2, Dune::EquidistantCoordinates<double, 2> > > >, 2, unsigned
>      long, Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0>, unsigned long> >, 2>, Dune::TypeTree::HybridTreePath<> >' requested here
>    using ChildForTreePath = typename impl::_ChildForTreePath<Node,TreePath>::type;
>    ^
> /opt/sources/dune/dune-functions/dune/functions/gridfunctions/discreteglobalbasisfunction.hh:354:58: note: in instantiation of template type alias 'ChildForTreePath' requested here
>  using NTREM = DefaultNodeToRangeMap<typename TypeTree::ChildForTreePath<typename Basis::LocalView::Tree, TP>>;
>                                                         ^
> /opt/sources/dune/dune-functions/dune/functions/gridfunctions/discreteglobalbasisfunction.hh:366:10: note: in instantiation of function template specialization 'Dune::Functions::makeDiscreteGlobalBasisFunction<Dune::FieldVector<double,
>      2>, Dune::Functions::SubspaceBasis<Dune::Functions::DefaultGlobalBasis<Dune::Functions::CompositeNodeFactory<Dune::ReservedVector<unsigned long, 2>, Dune::Functions::BasisBuilder::BlockedLexicographic,
> Dune::Functions::PowerNodeFactory<Dune::ReservedVector<unsigned long, 2>, Dune::Functions::BasisBuilder::FlatInterleaved, Dune::Functions::PQkNodeFactory<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2,
>      Dune::EquidistantCoordinates<double, 2> > > >, 2, Dune::ReservedVector<unsigned long, 2>, unsigned long>, 2>, Dune::Functions::PQkNodeFactory<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2,
>      Dune::EquidistantCoordinates<double, 2> > > >, 1, Dune::ReservedVector<unsigned long, 2>, unsigned long> > >, Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0> > >, Dune::TypeTree::HybridTreePath<>,
> Dune::Functions::HierarchicVectorWrapper<Dune::BlockVector<Dune::BlockVector<Dune::FieldVector<double, 1>, std::allocator<Dune::FieldVector<double, 1> > >, std::allocator<Dune::BlockVector<Dune::FieldVector<double, 1>,
>      std::allocator<Dune::FieldVector<double, 1> > > > >, double> >' requested here
>  return makeDiscreteGlobalBasisFunction<R>(std::forward<B>(basis), TypeTree::hybridTreePath(), std::forward<V>(vector));
>         ^
> /opt/sources/dune/dune-functions/examples/stokes-taylorhood.cc:420:38: note: in instantiation of function template specialization 'Dune::Functions::makeDiscreteGlobalBasisFunction<Dune::FieldVector<double, 2>,
> Dune::Functions::SubspaceBasis<Dune::Functions::DefaultGlobalBasis<Dune::Functions::CompositeNodeFactory<Dune::ReservedVector<unsigned long, 2>, Dune::Functions::BasisBuilder::BlockedLexicographic,
> Dune::Functions::PowerNodeFactory<Dune::ReservedVector<unsigned long, 2>, Dune::Functions::BasisBuilder::FlatInterleaved, Dune::Functions::PQkNodeFactory<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2,
>      Dune::EquidistantCoordinates<double, 2> > > >, 2, Dune::ReservedVector<unsigned long, 2>, unsigned long>, 2>, Dune::Functions::PQkNodeFactory<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2,
>      Dune::EquidistantCoordinates<double, 2> > > >, 1, Dune::ReservedVector<unsigned long, 2>, unsigned long> > >, Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0> > >,
> Dune::Functions::HierarchicVectorWrapper<Dune::BlockVector<Dune::BlockVector<Dune::FieldVector<double, 1>, std::allocator<Dune::FieldVector<double, 1> > >, std::allocator<Dune::BlockVector<Dune::FieldVector<double, 1>,
>      std::allocator<Dune::FieldVector<double, 1> > > > >, double> >' requested here
>  auto velocityFunction = Functions::makeDiscreteGlobalBasisFunction<VelocityRange>(Functions::subspaceBasis(taylorHoodBasis, _0),
>                                     ^
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:59:22: note: candidate template ignored: could not match 'integral_constant' against 'integer_sequence'
>      decltype(auto) child(Node&& node, index_constant<i>, J... j)
>                     ^
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:71:12: note: candidate template ignored: could not match 'integral_constant' against 'integer_sequence'
>      void child(Node&& node, index_constant<i>, J... j)
>           ^
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:185:10: note: candidate template ignored: could not match 'TreePath' against 'integer_sequence'
>    auto child(Node&& node, TreePath<Indices...>) -> decltype(child(std::forward<Node>(node),index_constant<Indices>()...))
>         ^
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:220:10: note: candidate template ignored: could not match 'HybridTreePath' against 'integer_sequence'
>    auto child(Node&& node, HybridTreePath<Indices...> tp) -> decltype(impl::child(std::forward<Node>(node),tp,tp.enumerate()))
>         ^
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:155:10: note: candidate template ignored: substitution failure [with Node = Dune::Functions::PQkNode<Dune::GridView<Dune::DefaultLeafGridViewTraits<const Dune::YaspGrid<2,
>      Dune::EquidistantCoordinates<double, 2> > > >, 2, unsigned long, Dune::TypeTree::HybridTreePath<std::integral_constant<unsigned long, 0>, unsigned long> > &, Indices = <std::integer_sequence<unsigned long>>]: no matching function
>      for call to 'child'
>    auto child(Node&& node, Indices... indices) -> decltype(impl::child(std::forward<Node>(node),indices...))
>         ^                                                  ~~~~
> /opt/sources/dune/dune-typetree/dune/typetree/childextraction.hh:35:12: note: candidate function template not viable: requires single argument 'node', but 2 arguments were provided
>      auto child(Node&& node) -> decltype(std::forward<Node>(node))
> 
> 
> _______________________________________________
> Dune mailing list
> Dune at dune-project.org
> http://lists.dune-project.org/mailman/listinfo/dune

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 455 bytes
Desc: Message signed with OpenPGP using GPGMail
URL: <https://lists.dune-project.org/pipermail/dune/attachments/20160429/4b301373/attachment.sig>