From ce2eb2e88dae9c7145d3b3ad535837605dc9dea4 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Wed, 20 Mar 2024 07:02:57 -0600
Subject: [PATCH] Make sure two cell iterator arguments lead to correct type
 deduction.

---
 include/deal.II/base/quadrature_point_data.h | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/include/deal.II/base/quadrature_point_data.h b/include/deal.II/base/quadrature_point_data.h
index 3e7e283445..edced53a0d 100644
--- a/include/deal.II/base/quadrature_point_data.h
+++ b/include/deal.II/base/quadrature_point_data.h
@@ -110,9 +110,10 @@ public:
    */
   template <typename T = DataType>
   void
-  initialize(const CellIteratorType &cell_start,
-             const CellIteratorType &cell_end,
-             const unsigned int      number_of_data_points_per_cell);
+  initialize(
+    const CellIteratorType                                          &cell_start,
+    const typename std_cxx20::type_identity<CellIteratorType>::type &cell_end,
+    const unsigned int number_of_data_points_per_cell);
 
   /**
    * Removes data stored at the @p cell. Returns true if the data was removed.
@@ -630,9 +631,9 @@ template <typename CellIteratorType, typename DataType>
 template <typename T>
 inline void
 CellDataStorage<CellIteratorType, DataType>::initialize(
-  const CellIteratorType &cell_start,
-  const CellIteratorType &cell_end,
-  const unsigned int      number)
+  const CellIteratorType                                          &cell_start,
+  const typename std_cxx20::type_identity<CellIteratorType>::type &cell_end,
+  const unsigned int                                               number)
 {
   for (CellIteratorType it = cell_start; it != cell_end; ++it)
     if (it->is_locally_owned())
-- 
2.39.5