From: heister <heister@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 13 Feb 2013 15:35:05 +0000 (+0000)
Subject: do not simply compress() before an assignment, but fail instead.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58a2f07b05267a44a4c6273d6312c749ba73dca0;p=dealii-svn.git

do not simply compress() before an assignment, but fail instead.

git-svn-id: https://svn.dealii.org/trunk@28380 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/source/lac/petsc_parallel_vector.cc b/deal.II/source/lac/petsc_parallel_vector.cc
index 888f451a5a..d0b3b27923 100644
--- a/deal.II/source/lac/petsc_parallel_vector.cc
+++ b/deal.II/source/lac/petsc_parallel_vector.cc
@@ -164,9 +164,11 @@ namespace PETScWrappers
     Vector &
     Vector::operator = (const PETScWrappers::Vector &v)
     {
-      // first flush buffers
-      compress ();
-
+      Assert(last_action==VectorOperation::unknown,
+          ExcMessage("Call to compress() required before calling operator=."));
+      //TODO [TH]: can not access v.last_action here. Implement is_compressed()?
+      //Assert(v.last_action==VectorOperation::unknown,
+      //    ExcMessage("Call to compress() required before calling operator=."));
       int ierr;
 
       // get a pointer to the local memory of