From: Marc Fehling <mafehling.git@gmail.com>
Date: Wed, 28 Aug 2024 21:57:27 +0000 (-0600)
Subject: Make make_consistent_in_parallel work with no locally owned dofs.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F17632%2Fhead;p=dealii.git

Make make_consistent_in_parallel work with no locally owned dofs.
---

diff --git a/include/deal.II/lac/affine_constraints.templates.h b/include/deal.II/lac/affine_constraints.templates.h
index f0edc5f0da..e0f870bf10 100644
--- a/include/deal.II/lac/affine_constraints.templates.h
+++ b/include/deal.II/lac/affine_constraints.templates.h
@@ -708,7 +708,7 @@ AffineConstraints<number>::make_consistent_in_parallel(
 
   Assert(sorted == false, ExcMatrixIsClosed());
 
-  Assert(this->local_lines.is_empty() == false,
+  Assert(this->local_lines.size() > 0,
          ExcMessage(
            "This functionality requires that the AffineConstraints object "
            "knows for which degrees of freedom it can store constraints. "