From 577950151ad8b3572811a0065328e89d2ea6816f Mon Sep 17 00:00:00 2001
From: Daniel Arndt <arndtd@ornl.gov>
Date: Thu, 5 Sep 2019 16:14:21 -0400
Subject: [PATCH] Fix undefined references for set_zero_all

---
 include/deal.II/lac/la_vector.h       | 24 ++++++++++++++++++++++++
 source/lac/affine_constraints.cu      | 17 +++++++++++++++++
 source/lac/affine_constraints.inst.in | 13 +++++++++++++
 3 files changed, 54 insertions(+)

diff --git a/include/deal.II/lac/la_vector.h b/include/deal.II/lac/la_vector.h
index 66e8f57e82..6bb3a3bfdd 100644
--- a/include/deal.II/lac/la_vector.h
+++ b/include/deal.II/lac/la_vector.h
@@ -160,6 +160,15 @@ namespace LinearAlgebra
     reinit(const VectorSpaceVector<Number> &V,
            const bool omit_zeroing_entries = false) override;
 
+    /**
+     * Returns `false` as this is a serial vector.
+     *
+     * This functionality only needs to be called if using MPI based vectors and
+     * exists in other objects for compatibility.
+     */
+    bool
+    has_ghost_elements() const;
+
     /**
      * Copies the data of the input vector @p in_vector.
      */
@@ -508,6 +517,21 @@ template <typename Number>
 struct is_serial_vector<LinearAlgebra::Vector<Number>> : std::true_type
 {};
 
+#ifndef DOXYGEN
+/*----------------------- Inline functions ----------------------------------*/
+
+namespace LinearAlgebra
+{
+  template <typename Number>
+  inline bool
+  Vector<Number>::has_ghost_elements() const
+  {
+    return false;
+  }
+} // namespace LinearAlgebra
+
+#endif
+
 
 DEAL_II_NAMESPACE_CLOSE
 
diff --git a/source/lac/affine_constraints.cu b/source/lac/affine_constraints.cu
index c686dc4fb2..8b79fe6d61 100644
--- a/source/lac/affine_constraints.cu
+++ b/source/lac/affine_constraints.cu
@@ -17,6 +17,23 @@
 
 DEAL_II_NAMESPACE_OPEN
 
+
+namespace internal
+{
+  namespace AffineConstraintsImplementation
+  {
+    template void
+    set_zero_all(
+      const std::vector<types::global_dof_index> &                  cm,
+      LinearAlgebra::distributed::Vector<float, MemorySpace::CUDA> &vec);
+
+    template void
+    set_zero_all(
+      const std::vector<types::global_dof_index> &                   cm,
+      LinearAlgebra::distributed::Vector<double, MemorySpace::CUDA> &vec);
+  } // namespace AffineConstraintsImplementation
+} // namespace internal
+
 template void
 AffineConstraints<float>::set_zero<
   LinearAlgebra::distributed::Vector<float, MemorySpace::CUDA>>(
diff --git a/source/lac/affine_constraints.inst.in b/source/lac/affine_constraints.inst.in
index 4523cad087..bb0d4f5b42 100644
--- a/source/lac/affine_constraints.inst.in
+++ b/source/lac/affine_constraints.inst.in
@@ -345,3 +345,16 @@ for (T : DEAL_II_VEC_TEMPLATES)
     template void dealii::AffineConstraints<double>::distribute<T<float>>(
       T<float> &) const;
   }
+
+
+for (T : VECTOR_TYPES)
+  {
+    namespace internal
+    {
+      namespace AffineConstraintsImplementation
+      {
+        template void
+        set_zero_all(const std::vector<types::global_dof_index> &, T &vec);
+      \}
+    \}
+  }
-- 
2.39.5