From: Sebastian Kinnewig <kinnewig@ifam.uni-hannover.de>
Date: Fri, 27 Oct 2023 16:49:12 +0000 (+0200)
Subject: Fix the assert condition
X-Git-Tag: relicensing~352^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F16205%2Fhead;p=dealii.git

Fix the assert condition
---

diff --git a/include/deal.II/lac/trilinos_tpetra_vector.templates.h b/include/deal.II/lac/trilinos_tpetra_vector.templates.h
index eccc2f41ee..1546012d51 100644
--- a/include/deal.II/lac/trilinos_tpetra_vector.templates.h
+++ b/include/deal.II/lac/trilinos_tpetra_vector.templates.h
@@ -243,7 +243,7 @@ namespace LinearAlgebra
             const TpetraWrappers::CommunicationPattern>(communication_pattern);
 
           AssertThrow(
-            tpetra_comm_pattern.is_null(),
+            !tpetra_comm_pattern.is_null(),
             ExcMessage(
               std::string("The communication pattern is not of type ") +
               "LinearAlgebra::TpetraWrappers::CommunicationPattern."));