From: David Wells <drwells@email.unc.edu>
Date: Thu, 3 Feb 2022 15:00:00 +0000 (-0500)
Subject: Fix initialize_dof_vector_t.
X-Git-Tag: v9.4.0-rc1~529^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a74b415f1c6a4563a034882707733252d5963d29;p=dealii.git

Fix initialize_dof_vector_t.

The correct function requires a vector reference input argument.
---

diff --git a/include/deal.II/lac/la_parallel_vector.h b/include/deal.II/lac/la_parallel_vector.h
index 7c37a6588e..15988bdc09 100644
--- a/include/deal.II/lac/la_parallel_vector.h
+++ b/include/deal.II/lac/la_parallel_vector.h
@@ -1918,7 +1918,8 @@ namespace internal
       // void T::initialize_dof_vector(VectorType v)
       template <typename T>
       using initialize_dof_vector_t =
-        decltype(std::declval<T>().initialize_dof_vector());
+        decltype(std::declval<T>().initialize_dof_vector(
+          std::declval<LinearAlgebra::distributed::Vector<Number> &>()));
 
       template <typename T>
       static constexpr bool has_initialize_dof_vector =