From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 28 Aug 2024 02:47:09 +0000 (-0600)
Subject: Sort a set of indices before importing into IndexSet.
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3068200cd58a73e2a8f4cd973dc91af6fc5daf7;p=dealii.git

Sort a set of indices before importing into IndexSet.
---

diff --git a/include/deal.II/lac/affine_constraints.templates.h b/include/deal.II/lac/affine_constraints.templates.h
index 2f311b9e56..d9ca0f1ff2 100644
--- a/include/deal.II/lac/affine_constraints.templates.h
+++ b/include/deal.II/lac/affine_constraints.templates.h
@@ -448,7 +448,7 @@ namespace internal
     std::vector<types::global_dof_index> constrained_indices_temp;
     for (const auto &line : constraints_in.get_lines())
       constrained_indices_temp.push_back(line.index);
-
+    std::sort(constrained_indices_temp.begin(), constrained_indices_temp.end());
     constrained_indices.add_indices(constrained_indices_temp.begin(),
                                     constrained_indices_temp.end());