From: Peter Munch <peterrmuench@gmail.com>
Date: Wed, 27 Oct 2021 16:01:12 +0000 (+0200)
Subject: MGTwoLevelTransfer: make AffineConstraints optional
X-Git-Tag: v9.4.0-rc1~876^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca231ac0c65d020d43d6ff9a72ae05b046076218;p=dealii.git

MGTwoLevelTransfer: make AffineConstraints optional
---

diff --git a/include/deal.II/multigrid/mg_transfer_global_coarsening.h b/include/deal.II/multigrid/mg_transfer_global_coarsening.h
index b164c2f0e9..a02f83a821 100644
--- a/include/deal.II/multigrid/mg_transfer_global_coarsening.h
+++ b/include/deal.II/multigrid/mg_transfer_global_coarsening.h
@@ -203,8 +203,10 @@ public:
   reinit_geometric_transfer(
     const DoFHandler<dim> &          dof_handler_fine,
     const DoFHandler<dim> &          dof_handler_coarse,
-    const AffineConstraints<Number> &constraint_fine,
-    const AffineConstraints<Number> &constraint_coarse,
+    const AffineConstraints<Number> &constraint_fine =
+      AffineConstraints<Number>(),
+    const AffineConstraints<Number> &constraint_coarse =
+      AffineConstraints<Number>(),
     const unsigned int mg_level_fine   = numbers::invalid_unsigned_int,
     const unsigned int mg_level_coarse = numbers::invalid_unsigned_int);
 
@@ -221,8 +223,10 @@ public:
   reinit_polynomial_transfer(
     const DoFHandler<dim> &          dof_handler_fine,
     const DoFHandler<dim> &          dof_handler_coarse,
-    const AffineConstraints<Number> &constraint_fine,
-    const AffineConstraints<Number> &constraint_coarse,
+    const AffineConstraints<Number> &constraint_fine =
+      AffineConstraints<Number>(),
+    const AffineConstraints<Number> &constraint_coarse =
+      AffineConstraints<Number>(),
     const unsigned int mg_level_fine   = numbers::invalid_unsigned_int,
     const unsigned int mg_level_coarse = numbers::invalid_unsigned_int);
 
@@ -242,8 +246,10 @@ public:
   void
   reinit(const DoFHandler<dim> &          dof_handler_fine,
          const DoFHandler<dim> &          dof_handler_coarse,
-         const AffineConstraints<Number> &constraint_fine,
-         const AffineConstraints<Number> &constraint_coarse,
+         const AffineConstraints<Number> &constraint_fine =
+           AffineConstraints<Number>(),
+         const AffineConstraints<Number> &constraint_coarse =
+           AffineConstraints<Number>(),
          const unsigned int mg_level_fine   = numbers::invalid_unsigned_int,
          const unsigned int mg_level_coarse = numbers::invalid_unsigned_int);