From 06757cbc09d89ff80c96b503d1a1ed57f7bbcf70 Mon Sep 17 00:00:00 2001
From: Denis Davydov <davydden@gmail.com>
Date: Wed, 28 Feb 2018 11:34:23 +0100
Subject: [PATCH] instantiate Function::Spherical and auxiliary conversion
 functions for dim=1,2

---
 source/base/CMakeLists.txt              |  1 +
 source/base/function_spherical.cc       |  2 ++
 source/base/geometric_utilities.cc      |  7 ++-----
 source/base/geometric_utilities.inst.in | 21 +++++++++++++++++++++
 4 files changed, 26 insertions(+), 5 deletions(-)
 create mode 100644 source/base/geometric_utilities.inst.in

diff --git a/source/base/CMakeLists.txt b/source/base/CMakeLists.txt
index 4a3a7c1473..5e80792a1a 100644
--- a/source/base/CMakeLists.txt
+++ b/source/base/CMakeLists.txt
@@ -102,6 +102,7 @@ SET(_inst
   data_out_base.inst.in
   function.inst.in
   function_time.inst.in
+  geometric_utilities.inst.in
   mpi.inst.in
   partitioner.inst.in
   polynomials_rannacher_turek.inst.in
diff --git a/source/base/function_spherical.cc b/source/base/function_spherical.cc
index a5826cde3e..449354d4df 100644
--- a/source/base/function_spherical.cc
+++ b/source/base/function_spherical.cc
@@ -345,6 +345,8 @@ namespace Functions
 
 
 // explicit instantiations
+  template class Spherical<1>;
+  template class Spherical<2>;
   template class Spherical<3>;
 
 }
diff --git a/source/base/geometric_utilities.cc b/source/base/geometric_utilities.cc
index c90e33aa37..f012d71832 100644
--- a/source/base/geometric_utilities.cc
+++ b/source/base/geometric_utilities.cc
@@ -103,11 +103,8 @@ namespace GeometricUtilities
       return ccoord;
     }
 
-
-    template Point<2> from_spherical<2>(const std::array<double,2> &);
-    template Point<3> from_spherical<3>(const std::array<double,3> &);
-    template std::array<double,2> to_spherical<2>(const Point<2> &);
-    template std::array<double,3> to_spherical<3>(const Point<3> &);
+    // explicit instantiations
+#include "geometric_utilities.inst"
 
   }
 }
diff --git a/source/base/geometric_utilities.inst.in b/source/base/geometric_utilities.inst.in
new file mode 100644
index 0000000000..8823cdd889
--- /dev/null
+++ b/source/base/geometric_utilities.inst.in
@@ -0,0 +1,21 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2015 - 2017 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+for (dim : SPACE_DIMENSIONS)
+{
+    template Point<dim> from_spherical<dim>(const std::array<double,dim> &);
+    template std::array<double,dim> to_spherical<dim>(const Point<dim> &);
+}
-- 
2.39.5