From 8c4c68138344f85446d5bd8caa3883e78e9ca044 Mon Sep 17 00:00:00 2001
From: Elias Pipping <elias.pipping@fu-berlin.de>
Date: Fri, 30 Aug 2013 13:04:14 +0000
Subject: [PATCH] Add Dune::Solvers::Preconditioner
[[Imported from SVN: r11958]]
---
dune/solvers/common/preconditioner.hh | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/dune/solvers/common/preconditioner.hh b/dune/solvers/common/preconditioner.hh
index 8daa09d7..4d641f61 100644
--- a/dune/solvers/common/preconditioner.hh
+++ b/dune/solvers/common/preconditioner.hh
@@ -21,4 +21,22 @@ public:
};
+namespace Dune {
+ namespace Solvers {
+
+ /** \brief Abstract base class for preconditioners
+ */
+ template <class MatrixType, class VectorType, class BitVectorType
+ = Dune::BitSetVector<VectorType::block_type::dimension> >
+ class Preconditioner : public NumProc
+ {
+ public:
+ virtual ~Preconditioner() {}
+
+ virtual void check() const {}
+ virtual void setMatrix(const MatrixType& matrix) = 0;
+ virtual void apply(VectorType& x, const VectorType& r) = 0;
+ };
+ }
+}
#endif
--
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