Adds patch for dune-pdelab

patches/dune-pdelab/0001-Adds-Qk-for-k-2-for-structured-grids.patch

+From cf3cc167d4940d7c4960bc5646816b6cf6a17326 Mon Sep 17 00:00:00 2001
+From: Marcel Koch <marcel.koch@uni-muenster.de>
+Date: Mon, 31 Jul 2017 15:45:53 +0200
+Subject: [PATCH] Adds Qk for k>2 for structured grids
+
+---
+ dune/pdelab/finiteelementmap/qkfem.hh | 24 +++++-------------------
+ 1 file changed, 5 insertions(+), 19 deletions(-)
+
+diff --git a/dune/pdelab/finiteelementmap/qkfem.hh b/dune/pdelab/finiteelementmap/qkfem.hh
+index b4e8d67..435545e 100644
+--- a/dune/pdelab/finiteelementmap/qkfem.hh
++++ b/dune/pdelab/finiteelementmap/qkfem.hh
+@@ -35,31 +35,17 @@ namespace Dune {
+           {
+           case 1:
+             return codim == GV::dimension;
+-          case 2:
+-            if (GV::dimension != 2 && GV::dimension != 3)
+-              DUNE_THROW(NotImplemented,"QkLocalFiniteElementMap with k = 2 is only implemented for d = 2,3");
+-            return 1;
+           default:
+-            DUNE_THROW(NotImplemented,"QkLocalFiniteElementMap is only implemented for k <= 2");
++            return 1;
+           }
+       }
+ 
+       std::size_t size(GeometryType gt) const
+       {
+-        switch (k)
+-          {
+-          case 1:
+-            return gt.isVertex() ? 1 : 0;
+-          case 2:
+-            {
+-              if (GV::dimension != 2 && GV::dimension != 3)
+-                DUNE_THROW(NotImplemented,"QkLocalFiniteElementMap with k = 2 is only implemented for d = 2,3");
+-              // Q1 simply attaches a single DOF to each subentity
+-              return 1;
+-            }
+-          default:
+-            DUNE_THROW(NotImplemented,"QkLocalFiniteElementMap is only implemented for k <= 2");
+-          }
++        std::size_t acc = 1;
++        for(std::size_t i = 0; i < gt.dim(); ++i)
++          acc *= k-1;
++        return acc;
+       }
+ 
+       std::size_t maxLocalSize() const
+-- 
+2.7.4
+