Revert last patch

git-svn-id: https://svn.dealii.org/branches/Branch-5-0@9325 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/lac/source/petsc_matrix_base.cc b/deal.II/lac/source/petsc_matrix_base.cc
index 2de5b4a5ace5c6b4d050f4574cbbc6090fab984d..6f6ae79eb47667d1d6db8454caa979c0ebfcccef 100644 (file)
--- a/deal.II/lac/source/petsc_matrix_base.cc
+++ b/deal.II/lac/source/petsc_matrix_base.cc
@@ -101,11 +101,7 @@ namespace PETScWrappers
   MatrixBase &
   MatrixBase::operator = (const double d)
   {
-    Assert (d==0, ExcScalarAssignmentOnlyForZeroValue());
-                                    // first flush the buffers as
-                                    // this is not done by
-                                    // MatZeroEntries
-    compress();
+    Assert (d==0, ExcScalarAssignmentOnlyForZeroValue());    
     
     const int ierr = MatZeroEntries (matrix);
     AssertThrow (ierr == 0, ExcPETScError(ierr));