From 9778fb8c7ae2ae525f4a27482158b34890663f72 Mon Sep 17 00:00:00 2001
From: Uli Sack <usack@math.fu-berlin.de>
Date: Mon, 2 Jul 2012 09:24:05 +0000
Subject: [PATCH] * export field_type * make method mv const * add method usmv
[[Imported from SVN: r6465]]
---
dune/solvers/operators/sumoperator.hh | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/dune/solvers/operators/sumoperator.hh b/dune/solvers/operators/sumoperator.hh
index 237e705c..ddead966 100644
--- a/dune/solvers/operators/sumoperator.hh
+++ b/dune/solvers/operators/sumoperator.hh
@@ -18,6 +18,8 @@ class SumOperator
//! export the summand type
typedef LowRankMatrix LowRankMatrixType;
+ typedef typename SparseMatrixType::field_type field_type;
+
//! default constructor - allocates memory for summand operators internally
SumOperator():
summands_allocated_internally_(true)
@@ -60,12 +62,20 @@ class SumOperator
//! b = (A+M)x
template <class LVectorType, class RVectorType>
- void mv(const LVectorType& x, RVectorType& b)
+ void mv(const LVectorType& x, RVectorType& b) const
{
sparse_matrix_->mv(x,b);
lowrank_matrix_->umv(x,b);
}
+ //! b += a*(A+M)x
+ template <class LVectorType, class RVectorType>
+ void usmv(const field_type a, const LVectorType& x, RVectorType& b) const
+ {
+ sparse_matrix_->usmv(a,x,b);
+ lowrank_matrix_->usmv(a,x,b);
+ }
+
//! return the number of rows
size_t N() const
{
--
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