From 4479eb68034e6821ef0e66b0f5c86c668dd33164 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 26 Sep 2019 08:19:24 -0600
Subject: [PATCH] Change 'direction' of make_periodicity_constraint() to
 'unsigned int'.

---
 include/deal.II/dofs/dof_tools.h          | 4 ++--
 source/dofs/dof_tools_constraints.cc      | 4 ++--
 source/dofs/dof_tools_constraints.inst.in | 8 ++++----
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/deal.II/dofs/dof_tools.h b/include/deal.II/dofs/dof_tools.h
index ea0c57a109..f04bb8d077 100644
--- a/include/deal.II/dofs/dof_tools.h
+++ b/include/deal.II/dofs/dof_tools.h
@@ -1242,7 +1242,7 @@ namespace DoFTools
     const DoFHandlerType &     dof_handler,
     const types::boundary_id   b_id1,
     const types::boundary_id   b_id2,
-    const int                  direction,
+    const unsigned int         direction,
     AffineConstraints<number> &constraints,
     const ComponentMask &      component_mask = ComponentMask());
 
@@ -1278,7 +1278,7 @@ namespace DoFTools
   make_periodicity_constraints(
     const DoFHandlerType &     dof_handler,
     const types::boundary_id   b_id,
-    const int                  direction,
+    const unsigned int         direction,
     AffineConstraints<number> &constraints,
     const ComponentMask &      component_mask = ComponentMask());
 
diff --git a/source/dofs/dof_tools_constraints.cc b/source/dofs/dof_tools_constraints.cc
index 55de132df6..fd3ce9d906 100644
--- a/source/dofs/dof_tools_constraints.cc
+++ b/source/dofs/dof_tools_constraints.cc
@@ -2494,7 +2494,7 @@ namespace DoFTools
   make_periodicity_constraints(const DoFHandlerType &             dof_handler,
                                const types::boundary_id           b_id1,
                                const types::boundary_id           b_id2,
-                               const int                          direction,
+                               const unsigned int                 direction,
                                dealii::AffineConstraints<number> &constraints,
                                const ComponentMask &component_mask)
   {
@@ -2526,7 +2526,7 @@ namespace DoFTools
   void
   make_periodicity_constraints(const DoFHandlerType &     dof_handler,
                                const types::boundary_id   b_id,
-                               const int                  direction,
+                               const unsigned int         direction,
                                AffineConstraints<number> &constraints,
                                const ComponentMask &      component_mask)
   {
diff --git a/source/dofs/dof_tools_constraints.inst.in b/source/dofs/dof_tools_constraints.inst.in
index 82c18c6f16..8b321f8948 100644
--- a/source/dofs/dof_tools_constraints.inst.in
+++ b/source/dofs/dof_tools_constraints.inst.in
@@ -95,7 +95,7 @@ for (DH : DOFHANDLER_TEMPLATES; deal_II_dimension : DIMENSIONS)
       const DH<deal_II_dimension> &,
       const types::boundary_id,
       const types::boundary_id,
-      const int,
+      const unsigned int,
       AffineConstraints<double> &,
       const ComponentMask &);
 
@@ -104,7 +104,7 @@ for (DH : DOFHANDLER_TEMPLATES; deal_II_dimension : DIMENSIONS)
       const DH<deal_II_dimension> &,
       const types::boundary_id,
       const types::boundary_id,
-      const int,
+      const unsigned int,
       AffineConstraints<std::complex<double>> &,
       const ComponentMask &);
 #endif
@@ -112,7 +112,7 @@ for (DH : DOFHANDLER_TEMPLATES; deal_II_dimension : DIMENSIONS)
     template void DoFTools::make_periodicity_constraints(
       const DH<deal_II_dimension> &,
       const types::boundary_id,
-      const int,
+      const unsigned int,
       AffineConstraints<double> &,
       const ComponentMask &);
 
@@ -120,7 +120,7 @@ for (DH : DOFHANDLER_TEMPLATES; deal_II_dimension : DIMENSIONS)
     template void DoFTools::make_periodicity_constraints(
       const DH<deal_II_dimension> &,
       const types::boundary_id,
-      const int,
+      const unsigned int,
       AffineConstraints<std::complex<double>> &,
       const ComponentMask &);
 #endif
-- 
2.39.5