[dune-pdelab] parameter pack expansion error in powergridfunctionspace.hh

[Jö Fahlke]

Am Wed, 17. Jun 2015, 12:22:06 +0000 schrieb Eike Mueller:
> Date: Wed, 17 Jun 2015 12:22:06 +0000
> From: Eike Mueller <E.Mueller at bath.ac.uk>
> To: Dominic Kempf <dominic.r.kempf at gmail.com>
> Cc: "dune-pdelab at dune-project.org" <dune-pdelab at dune-project.org>
> 
> Hi Dominic,
> 
> 
> thanks. Steffen's post was from last year and based on icc 14.0. Intel claim that they would fix it, but I still get it with icc 15.0.
> 
> 
> Let's see what Steffen says when he is back.
> 
> 
> I can always fall back onto gcc.

Currently the constructor looks like this:
======================================================================
      template<typename... Children>
      PowerGridFunctionSpace(std::shared_ptr<Children>... children)
        : BaseT(children...)
        , ImplementationBase(Backend(),OrderingTag())
      {}
======================================================================

It should be possible to rewrite it as follows:
======================================================================
      template<typename Child0, typename... Children>
      PowerGridFunctionSpace(std::shared_ptr<Child0> child0,
                             std::shared_ptr<Children>... children)
        : BaseT(child0, children...)
        , ImplementationBase(Backend(),OrderingTag())
      {}
======================================================================

Then the first constructor argument no longer involves a parameter pack, which
should circumvent the problem according to intel.  Could you try whether that
solves your problem?

Regards,
Jö.

-- 
Jorrit (Jö) Fahlke, Institute for Computational und Applied Mathematics,
University of Münster, Orleans-Ring 10, D-48149 Münster
Tel: +49 251 83 35146 Fax: +49 251 83 32729

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