From 4fe5f37fce9b0c7fba520bd1c915b007a2fd6764 Mon Sep 17 00:00:00 2001
From: young <young@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 17 Aug 2012 12:22:59 +0000
Subject: [PATCH] First piecewise removal support for PETSc < 3.x.

git-svn-id: https://svn.dealii.org/trunk@26005 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/source/lac/petsc_precondition.cc | 22 ++--------------------
 deal.II/source/lac/petsc_solver.cc       | 10 ----------
 2 files changed, 2 insertions(+), 30 deletions(-)

diff --git a/deal.II/source/lac/petsc_precondition.cc b/deal.II/source/lac/petsc_precondition.cc
index a590d2e30a..2df82399d2 100644
--- a/deal.II/source/lac/petsc_precondition.cc
+++ b/deal.II/source/lac/petsc_precondition.cc
@@ -337,11 +337,7 @@ namespace PETScWrappers
     AssertThrow (ierr == 0, ExcPETScError(ierr));
 
                                      // then set flags
-#if DEAL_II_PETSC_VERSION_LT(2,3,1)
-    PCICCSetLevels (pc, additional_data.levels);
-#else
     PCFactorSetLevels (pc, additional_data.levels);
-#endif
     AssertThrow (ierr == 0, ExcPETScError(ierr));
 
     ierr = PCSetFromOptions (pc);
@@ -386,11 +382,7 @@ namespace PETScWrappers
     AssertThrow (ierr == 0, ExcPETScError(ierr));
 
                                      // then set flags
-#if DEAL_II_PETSC_VERSION_LT(2,3,1)
-    PCILUSetLevels (pc, additional_data.levels);
-#else
     PCFactorSetLevels (pc, additional_data.levels);
-#endif
     AssertThrow (ierr == 0, ExcPETScError(ierr));
 
     ierr = PCSetFromOptions (pc);
@@ -529,26 +521,17 @@ namespace PETScWrappers
     AssertThrow (ierr == 0, ExcPETScError(ierr));
 
                                      // set flags as given
-#if DEAL_II_PETSC_VERSION_LT(2,3,1)
-    ierr = PCLUSetPivoting (pc, additional_data.pivoting);
-#elif DEAL_II_PETSC_VERSION_LT(3,0,1)
+#if DEAL_II_PETSC_VERSION_LT(3,0,1)
     ierr = PCFactorSetPivoting (pc, additional_data.pivoting);
 #else
     ierr = PCFactorSetColumnPivot (pc, additional_data.pivoting);
 #endif
     AssertThrow (ierr == 0, ExcPETScError(ierr));
 
-#if DEAL_II_PETSC_VERSION_LT(2,3,0)
-    ierr = PCLUSetZeroPivot (pc, additional_data.zero_pivot);
-#else
     ierr = PCFactorSetZeroPivot (pc, additional_data.zero_pivot);
-#endif
-
     AssertThrow (ierr == 0, ExcPETScError(ierr));
 
-#if DEAL_II_PETSC_VERSION_LT(2,3,0)
-    ierr = PCLUSetDamping (pc, additional_data.damping);
-#elif DEAL_II_PETSC_VERSION_LT(3,0,1)
+#if DEAL_II_PETSC_VERSION_LT(3,0,1)
     ierr = PCFactorSetShiftNonzero (pc, additional_data.damping);
 #else
     ierr = PCFactorSetShiftAmount (pc, additional_data.damping);
@@ -562,7 +545,6 @@ namespace PETScWrappers
     AssertThrow (ierr == 0, ExcPETScError(ierr));
   }
 
-
 }
 
 DEAL_II_NAMESPACE_CLOSE
diff --git a/deal.II/source/lac/petsc_solver.cc b/deal.II/source/lac/petsc_solver.cc
index 8f30968d0d..4a81d5b204 100644
--- a/deal.II/source/lac/petsc_solver.cc
+++ b/deal.II/source/lac/petsc_solver.cc
@@ -21,9 +21,6 @@
 #  include <deal.II/lac/petsc_precondition.h>
 #  include <cmath>
 
-#if DEAL_II_PETSC_VERSION_LT(2,2,0)
-#include <petscsles.h>
-#endif
 #include <petscversion.h>
 
 DEAL_II_NAMESPACE_OPEN
@@ -41,13 +38,6 @@ namespace PETScWrappers
 #endif
 
     AssertThrow (ierr == 0, ExcPETScError(ierr));
-
-                                     // and destroy the solver object if we
-                                     // are in old PETSc mode
-#if DEAL_II_PETSC_VERSION_LT(2,2,0)
-    ierr = SLESDestroy (sles);
-    AssertThrow (ierr == 0, ExcPETScError(ierr));
-#endif
   }
 
 
-- 
2.39.5