From e52cae02ac81168a8da56909c3798db60c61aa4d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Atgeirr=20Fl=C3=B8=20Rasmussen?= <atgeirr@sintef.no>
Date: Tue, 21 Feb 2012 21:36:09 +0100
Subject: [PATCH] Made the solve() methods const.

---
 opm/core/linalg/LinearSolverInterface.cpp | 2 +-
 opm/core/linalg/LinearSolverInterface.hpp | 4 ++--
 opm/core/linalg/LinearSolverIstl.cpp      | 2 +-
 opm/core/linalg/LinearSolverIstl.hpp      | 2 +-
 opm/core/linalg/LinearSolverUmfpack.cpp   | 2 +-
 opm/core/linalg/LinearSolverUmfpack.hpp   | 2 +-
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/opm/core/linalg/LinearSolverInterface.cpp b/opm/core/linalg/LinearSolverInterface.cpp
index 9e2d0bbfd..87d3bafac 100644
--- a/opm/core/linalg/LinearSolverInterface.cpp
+++ b/opm/core/linalg/LinearSolverInterface.cpp
@@ -35,7 +35,7 @@ namespace Opm
     LinearSolverInterface::LinearSolverReport
     LinearSolverInterface::solve(const CSRMatrix* A,
                                  const double* rhs,
-                                 double* solution)
+                                 double* solution) const
     {
         return solve(A->m, A->nnz, A->ia, A->ja, A->sa, rhs, solution);
     }
diff --git a/opm/core/linalg/LinearSolverInterface.hpp b/opm/core/linalg/LinearSolverInterface.hpp
index 5835f11e3..46e4cc5ff 100644
--- a/opm/core/linalg/LinearSolverInterface.hpp
+++ b/opm/core/linalg/LinearSolverInterface.hpp
@@ -52,7 +52,7 @@ namespace Opm
         /// Note: this method is a convenience method that calls the virtual solve() method.
         LinearSolverReport solve(const CSRMatrix* A,
                                  const double* rhs,
-                                 double* solution);
+                                 double* solution) const;
 
         /// Solve a linear system, with a matrix given in compressed sparse row format.
         /// \param[in] size        # of rows in matrix
@@ -69,7 +69,7 @@ namespace Opm
                                          const int* ja,
                                          const double* sa,
                                          const double* rhs,
-                                         double* solution) = 0;
+                                         double* solution) const = 0;
 
     };
 
diff --git a/opm/core/linalg/LinearSolverIstl.cpp b/opm/core/linalg/LinearSolverIstl.cpp
index d8ac9c229..969d83c78 100644
--- a/opm/core/linalg/LinearSolverIstl.cpp
+++ b/opm/core/linalg/LinearSolverIstl.cpp
@@ -109,7 +109,7 @@ namespace Opm
                             const int* ja,
                             const double* sa,
                             const double* rhs,
-                            double* solution)
+                            double* solution) const
     {
         // Build Istl structures from input.
         // System matrix
diff --git a/opm/core/linalg/LinearSolverIstl.hpp b/opm/core/linalg/LinearSolverIstl.hpp
index 1e883c285..abdb3fe08 100644
--- a/opm/core/linalg/LinearSolverIstl.hpp
+++ b/opm/core/linalg/LinearSolverIstl.hpp
@@ -70,7 +70,7 @@ namespace Opm
                                          const int* ja,
                                          const double* sa,
                                          const double* rhs,
-                                         double* solution);
+                                         double* solution) const;
     private:
         double linsolver_residual_tolerance_;
         int linsolver_verbosity_;
diff --git a/opm/core/linalg/LinearSolverUmfpack.cpp b/opm/core/linalg/LinearSolverUmfpack.cpp
index fd3d63bea..36ac045ca 100644
--- a/opm/core/linalg/LinearSolverUmfpack.cpp
+++ b/opm/core/linalg/LinearSolverUmfpack.cpp
@@ -45,7 +45,7 @@ namespace Opm
                                const int* ja,
                                const double* sa,
                                const double* rhs,
-                               double* solution)
+                               double* solution) const
     {
         CSRMatrix A  = {
             size,
diff --git a/opm/core/linalg/LinearSolverUmfpack.hpp b/opm/core/linalg/LinearSolverUmfpack.hpp
index 3de9efbc9..89cb295b9 100644
--- a/opm/core/linalg/LinearSolverUmfpack.hpp
+++ b/opm/core/linalg/LinearSolverUmfpack.hpp
@@ -76,7 +76,7 @@ namespace Opm
                                          const int* ja,
                                          const double* sa,
                                          const double* rhs,
-                                         double* solution);
+                                         double* solution) const;
     };