From 2eff5fd25cdaf946533530ce4cec19bda1e7623f Mon Sep 17 00:00:00 2001
From: Denis Demidov <ddemidov@ksu.ru>
Date: Sun, 3 Nov 2013 09:10:05 +0400
Subject: [PATCH] Provides specialization of same_instance_impl for vexcl
 containers

refs #110
---
 boost/numeric/odeint/external/vexcl/vexcl.hpp |  1 +
 .../external/vexcl/vexcl_same_instance.hpp    | 58 +++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 boost/numeric/odeint/external/vexcl/vexcl_same_instance.hpp

diff --git a/boost/numeric/odeint/external/vexcl/vexcl.hpp b/boost/numeric/odeint/external/vexcl/vexcl.hpp
index d8e07c26..210733e5 100644
--- a/boost/numeric/odeint/external/vexcl/vexcl.hpp
+++ b/boost/numeric/odeint/external/vexcl/vexcl.hpp
@@ -20,6 +20,7 @@
 
 #include <boost/numeric/odeint/external/vexcl/vexcl_algebra_dispatcher.hpp>
 #include <boost/numeric/odeint/external/vexcl/vexcl_resize.hpp>
+#include <boost/numeric/odeint/external/vexcl/vexcl_same_instance.hpp>
 #include <boost/numeric/odeint/external/vexcl/vexcl_norm_inf.hpp>
 
 #endif // BOOST_NUMERIC_ODEINT_EXTERNAL_VEXCL_VEXCL_HPP_DEFINED
diff --git a/boost/numeric/odeint/external/vexcl/vexcl_same_instance.hpp b/boost/numeric/odeint/external/vexcl/vexcl_same_instance.hpp
new file mode 100644
index 00000000..f5a7378c
--- /dev/null
+++ b/boost/numeric/odeint/external/vexcl/vexcl_same_instance.hpp
@@ -0,0 +1,58 @@
+/*
+ [auto_generated]
+ boost/numeric/odeint/external/vexcl/vexcl_same_instance.hpp
+
+ [begin_description]
+ Check if two VexCL containers are the same instance.
+ [end_description]
+
+ Copyright 2009-2011 Karsten Ahnert
+ Copyright 2009-2011 Mario Mulansky
+
+ Distributed under the Boost Software License, Version 1.0.
+ (See accompanying file LICENSE_1_0.txt or
+ copy at http://www.boost.org/LICENSE_1_0.txt)
+ */
+
+
+#ifndef BOOST_NUMERIC_ODEINT_EXTERNAL_VEXCL_VEXCL_SAME_INSTANCE_HPP_INCLUDED
+#define BOOST_NUMERIC_ODEINT_EXTERNAL_VEXCL_VEXCL_SAME_INSTANCE_HPP_INCLUDED
+
+#include <vexcl/vector.hpp>
+#include <vexcl/multivector.hpp>
+
+#include <boost/numeric/odeint/util/same_instance.hpp>
+
+namespace boost {
+namespace numeric {
+namespace odeint {
+
+template <typename T>
+struct same_instance_impl< vex::vector<T> , vex::vector<T> >
+{
+    static bool same_instance( const vex::vector<T> &x1 , const vex::vector<T> &x2 )
+    {
+        return
+            static_cast<const vex::vector<T>*>(&x1) ==
+            static_cast<const vex::vector<T>*>(&x2);
+    }
+};
+
+template <typename T, size_t N>
+struct same_instance_impl< vex::multivector<T, N> , vex::multivector<T, N> >
+{
+    static bool same_instance( const vex::multivector<T, N> &x1 , const vex::multivector<T, N> &x2 )
+    {
+        return
+            static_cast<const vex::multivector<T, N>*>(&x1) ==
+            static_cast<const vex::multivector<T, N>*>(&x2);
+    }
+};
+
+} // namespace odeint
+} // namespace numeric
+} // namespace boost
+
+
+
+#endif // BOOST_NUMERIC_ODEINT_EXTERNAL_VEXCL_VEXCL_SAME_INSTANCE_HPP_INCLUDED