From: Luca Heltai <luca.heltai@sissa.it>
Date: Sat, 12 Aug 2023 16:30:02 +0000 (+0200)
Subject: Make sure the size of the index set is updated.
X-Git-Tag: relicensing~593^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F15874%2Fhead;p=dealii.git

Make sure the size of the index set is updated.
---

diff --git a/include/deal.II/lac/affine_constraints.templates.h b/include/deal.II/lac/affine_constraints.templates.h
index 1b2ad3e379..b1e61c6068 100644
--- a/include/deal.II/lac/affine_constraints.templates.h
+++ b/include/deal.II/lac/affine_constraints.templates.h
@@ -1025,7 +1025,7 @@ AffineConstraints<number>::shift(const size_type offset)
   else
     {
       // shift local_lines
-      IndexSet new_local_lines(local_lines.size());
+      IndexSet new_local_lines(local_lines.size() + offset);
       new_local_lines.add_indices(local_lines, offset);
       std::swap(local_lines, new_local_lines);
     }