From cb50c4eaadace60dcdb466e06aeae4fe7cbc5633 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carsten=20Gr=C3=A4ser?= <graeser@mi.fu-berlin.de>
Date: Sat, 31 Mar 2012 23:03:13 +0000
Subject: [PATCH] The rhs vector should be const

The rhs_ member is the real rhs_ and not the residual.
It actually was already const semantically.

[[Imported from SVN: r5811]]
---
 dune/solvers/iterationsteps/blockgsstep.hh          | 2 +-
 dune/solvers/iterationsteps/lineariterationstep.hh  | 6 +++---
 dune/solvers/iterationsteps/multigridstep.hh        | 2 +-
 dune/solvers/iterationsteps/projectedblockgsstep.hh | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/dune/solvers/iterationsteps/blockgsstep.hh b/dune/solvers/iterationsteps/blockgsstep.hh
index 70353bc0..2f73df80 100644
--- a/dune/solvers/iterationsteps/blockgsstep.hh
+++ b/dune/solvers/iterationsteps/blockgsstep.hh
@@ -28,7 +28,7 @@ template<class OperatorType,
         BlockGSStep() {}
 
         //! Constructor with a linear problem
-        BlockGSStep(const OperatorType& mat, DiscFuncType& x, DiscFuncType& rhs)
+        BlockGSStep(const OperatorType& mat, DiscFuncType& x, const DiscFuncType& rhs)
             : LinearIterationStep<OperatorType,DiscFuncType>(mat, x, rhs)
         {}
 
diff --git a/dune/solvers/iterationsteps/lineariterationstep.hh b/dune/solvers/iterationsteps/lineariterationstep.hh
index 0313a622..8157405b 100644
--- a/dune/solvers/iterationsteps/lineariterationstep.hh
+++ b/dune/solvers/iterationsteps/lineariterationstep.hh
@@ -20,14 +20,14 @@ public:
     virtual ~LinearIterationStep() {}
     
     //! Constructor being given linear operator, solution and right hand side
-    LinearIterationStep(const MatrixType& mat, VectorType& x, VectorType& rhs) {
+    LinearIterationStep(const MatrixType& mat, VectorType& x, const VectorType& rhs) {
         mat_     = &mat;
         this->x_ = &x;
         rhs_     = &rhs;
     }
     
     //! Set linear operator, solution and right hand side
-    virtual void setProblem(const MatrixType& mat, VectorType& x, VectorType& rhs) {
+    virtual void setProblem(const MatrixType& mat, VectorType& x, const VectorType& rhs) {
         this->x_ = &x;
         rhs_     = &rhs;
         mat_     = &mat;
@@ -57,7 +57,7 @@ public:
     }
     
     //! The container for the right hand side
-    VectorType* rhs_;
+    const VectorType* rhs_;
     
     //! The linear operator
     const MatrixType* mat_;
diff --git a/dune/solvers/iterationsteps/multigridstep.hh b/dune/solvers/iterationsteps/multigridstep.hh
index c18a4613..e871019f 100644
--- a/dune/solvers/iterationsteps/multigridstep.hh
+++ b/dune/solvers/iterationsteps/multigridstep.hh
@@ -133,7 +133,7 @@
 
         virtual void setProblem(const MatrixType& mat, 
                                 VectorType& x, 
-                                VectorType& rhs)
+                                const VectorType& rhs)
         {
             level_ = numLevels_-1;
 
diff --git a/dune/solvers/iterationsteps/projectedblockgsstep.hh b/dune/solvers/iterationsteps/projectedblockgsstep.hh
index 58f7419e..e5b25414 100644
--- a/dune/solvers/iterationsteps/projectedblockgsstep.hh
+++ b/dune/solvers/iterationsteps/projectedblockgsstep.hh
@@ -22,7 +22,7 @@ public:
     ProjectedBlockGSStep() {}
     
     //! Constructor with a linear problem
-    ProjectedBlockGSStep(const OperatorType& mat, DiscFuncType& x, DiscFuncType& rhs)
+    ProjectedBlockGSStep(const OperatorType& mat, DiscFuncType& x, const DiscFuncType& rhs)
         : BlockGSStep<OperatorType,DiscFuncType>(mat, x, rhs)
     {}
 
-- 
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