From 0e7ed6a15799add5b13efb6fafc0e3051f1b71c1 Mon Sep 17 00:00:00 2001
From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Thu, 7 Jan 2016 13:28:16 +0100
Subject: [PATCH] Add instantiations

---
 source/multigrid/mg_level_global_transfer.cc  | 21 ++++++++--------
 .../mg_level_global_transfer.inst.in          | 24 +++++++++++++------
 2 files changed, 28 insertions(+), 17 deletions(-)

diff --git a/source/multigrid/mg_level_global_transfer.cc b/source/multigrid/mg_level_global_transfer.cc
index 8fec5c832c..884630a0fa 100644
--- a/source/multigrid/mg_level_global_transfer.cc
+++ b/source/multigrid/mg_level_global_transfer.cc
@@ -312,11 +312,9 @@ void
 MGLevelGlobalTransfer<VectorType>::clear()
 {
   sizes.resize(0);
-  std::vector<std::vector<std::pair<types::global_dof_index, types::global_dof_index> > >
-  empty0, empty1, empty2;
-  copy_indices.swap(empty0);
-  copy_indices_global_mine.swap(empty1);
-  copy_indices_level_mine.swap(empty2);
+  copy_indices.clear();
+  copy_indices_global_mine.clear();
+  copy_indices_level_mine.clear();
   component_to_block_map.resize(0);
   mg_constrained_dofs = 0;
 }
@@ -505,11 +503,9 @@ void
 MGLevelGlobalTransfer<parallel::distributed::Vector<Number> >::clear()
 {
   sizes.resize(0);
-  std::vector<std::vector<std::pair<unsigned int, unsigned int> > >
-  empty0, empty1, empty2;
-  copy_indices.swap(empty0);
-  copy_indices_global_mine.swap(empty1);
-  copy_indices_level_mine.swap(empty2);
+  copy_indices.clear();
+  copy_indices_global_mine.clear();
+  copy_indices_level_mine.clear();
   component_to_block_map.resize(0);
   mg_constrained_dofs = 0;
   ghosted_global_vector.reinit(0);
@@ -567,5 +563,10 @@ MGLevelGlobalTransfer<parallel::distributed::Vector<Number> >::memory_consumptio
 // explicit instantiation
 #include "mg_level_global_transfer.inst"
 
+// create two additional instantiations currently not supported by the
+// automatic template instantiation scheme
+template class MGLevelGlobalTransfer<parallel::distributed::Vector<float> >;
+template class MGLevelGlobalTransfer<parallel::distributed::Vector<long double> >;
+
 
 DEAL_II_NAMESPACE_CLOSE
diff --git a/source/multigrid/mg_level_global_transfer.inst.in b/source/multigrid/mg_level_global_transfer.inst.in
index 0437e9425d..8187c87da9 100644
--- a/source/multigrid/mg_level_global_transfer.inst.in
+++ b/source/multigrid/mg_level_global_transfer.inst.in
@@ -40,17 +40,27 @@ for (deal_II_dimension : DIMENSIONS; V1,V2 : DEAL_II_VEC_TEMPLATES; S1, S2 : REA
                                                         const MGLevelObject<V1<S1> >&) const;
   }
 
-for (deal_II_dimension : DIMENSIONS; S2 : REAL_SCALARS)
+for (deal_II_dimension : DIMENSIONS)
+  {
+    template
+      void MGLevelGlobalTransfer< parallel::distributed::Vector<float> >::fill_and_communicate_copy_indices<deal_II_dimension,deal_II_dimension>(
+        const DoFHandler<deal_II_dimension,deal_II_dimension> &mg_dof);
+    template
+      void MGLevelGlobalTransfer< parallel::distributed::Vector<long double> >::fill_and_communicate_copy_indices<deal_II_dimension,deal_II_dimension>(
+        const DoFHandler<deal_II_dimension,deal_II_dimension> &mg_dof);
+  }
+
+for (deal_II_dimension : DIMENSIONS; S1, S2 : REAL_SCALARS)
   {
     template void
-      MGLevelGlobalTransfer<parallel::distributed::Vector<double> >::copy_to_mg (
-        const DoFHandler<deal_II_dimension>&, MGLevelObject<parallel::distributed::Vector<double> >&, const parallel::distributed::Vector<S2>&) const;
+      MGLevelGlobalTransfer<parallel::distributed::Vector<S1> >::copy_to_mg (
+        const DoFHandler<deal_II_dimension>&, MGLevelObject<parallel::distributed::Vector<S1> >&, const parallel::distributed::Vector<S2>&) const;
     template void
-      MGLevelGlobalTransfer<parallel::distributed::Vector<double> >::copy_from_mg (const DoFHandler<deal_II_dimension>&, parallel::distributed::Vector<S2>&,
-        const MGLevelObject<parallel::distributed::Vector<double> >&) const;
+      MGLevelGlobalTransfer<parallel::distributed::Vector<S1> >::copy_from_mg (const DoFHandler<deal_II_dimension>&, parallel::distributed::Vector<S2>&,
+        const MGLevelObject<parallel::distributed::Vector<S1> >&) const;
     template void
-      MGLevelGlobalTransfer<parallel::distributed::Vector<double> >::copy_from_mg_add (const DoFHandler<deal_II_dimension>&, parallel::distributed::Vector<S2>&,
-        const MGLevelObject<parallel::distributed::Vector<double> >&) const;
+      MGLevelGlobalTransfer<parallel::distributed::Vector<S1> >::copy_from_mg_add (const DoFHandler<deal_II_dimension>&, parallel::distributed::Vector<S2>&,
+        const MGLevelObject<parallel::distributed::Vector<S1> >&) const;
   }
 
 for(deal_II_dimension : DIMENSIONS)
-- 
2.39.5