From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Fri, 7 Apr 2023 19:05:30 +0000 (-0600)
Subject: Optimize insertion of elements into a matrix.
X-Git-Tag: v9.5.0-rc1~358^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=89eb234788d4d35edf249f328ac686d7054a4e45;p=dealii.git

Optimize insertion of elements into a matrix.
---

diff --git a/include/deal.II/lac/sparse_matrix.h b/include/deal.II/lac/sparse_matrix.h
index 3277bf8536..9cf52a12f2 100644
--- a/include/deal.II/lac/sparse_matrix.h
+++ b/include/deal.II/lac/sparse_matrix.h
@@ -1997,7 +1997,8 @@ SparseMatrix<number>::add(const size_type               row,
       col_indices.size(),
       col_indices.data(),
       values.data(),
-      elide_zero_values);
+      elide_zero_values,
+      std::is_sorted(col_indices.begin(), col_indices.end()));
 }