From 3e421cc805f9e0776471f29087ed707b620a0a89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carsten=20Gr=C3=A4ser?= <graeser@dune-project.org>
Date: Thu, 10 Mar 2016 22:06:45 +0100
Subject: [PATCH] Add DefaultBitVector_t
The type alias DefaultBitVector_t<T> provides a default choice
for a bit vector that fits the structure of the vector type T.
---
dune/solvers/common/CMakeLists.txt | 1 +
dune/solvers/common/defaultbitvector.hh | 63 +++++++++++++++++++++++++
2 files changed, 64 insertions(+)
create mode 100644 dune/solvers/common/defaultbitvector.hh
diff --git a/dune/solvers/common/CMakeLists.txt b/dune/solvers/common/CMakeLists.txt
index 07d57c75..37f71f6d 100644
--- a/dune/solvers/common/CMakeLists.txt
+++ b/dune/solvers/common/CMakeLists.txt
@@ -3,6 +3,7 @@ install(FILES
arithmetic.hh
boxconstraint.hh
canignore.hh
+ defaultbitvector.hh
genericvectortools.hh
interval.hh
numproc.hh
diff --git a/dune/solvers/common/defaultbitvector.hh b/dune/solvers/common/defaultbitvector.hh
new file mode 100644
index 00000000..32edd807
--- /dev/null
+++ b/dune/solvers/common/defaultbitvector.hh
@@ -0,0 +1,63 @@
+// -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+// vi: set et ts=8 sw=2 sts=2:
+#ifndef DUNE_SOLVERS_COMMON_DEFAULTBITVECTOR_HH
+#define DUNE_SOLVERS_COMMON_DEFAULTBITVECTOR_HH
+
+#include <dune/common/fvector.hh>
+
+#include <dune/istl/bvector.hh>
+
+namespace Dune {
+namespace Solvers {
+
+
+namespace Imp {
+
+template<class Vector>
+struct DefaultBitVector
+{
+ using type = void;
+};
+
+template<class T, class A>
+struct DefaultBitVector<BlockVector<T,A>>
+{
+ using type = typename std::vector<typename DefaultBitVector<T>::type>;
+};
+
+template<class T, class A>
+struct DefaultBitVector<std::vector<T,A>>
+{
+ using type = typename std::vector<typename DefaultBitVector<T>::type>;
+};
+
+template<class T, int i, class A>
+struct DefaultBitVector<BlockVector<FieldVector<T,i>, A>>
+{
+ using type = BitSetVector<i>;
+};
+
+} // end namespace Imp
+
+
+
+/**
+ * \brief Type alias for a bit vector that fits to T
+ *
+ * \tparam T A nested container type
+ *
+ * This alias provides a default choice of a bit vector
+ * that has the same nested structure as T.
+ */
+template<class T>
+using DefaultBitVector_t = typename Imp::DefaultBitVector<T>::type;
+
+
+
+} // end namespace Solvers
+} // end namespace Solvers
+
+
+
+#endif // DUNE_SOLVERS_COMMON_BITVECTOR_HH
+
--
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