整理

include/boost/numeric/odeint/util/copy.hpp

@@ -0,0 +1,88 @@
+/*
+ [auto_generated]
+ boost/numeric/odeint/util/copy.hpp
+
+ [begin_description]
+ Copy abstraction for the usage in the steppers.
+ [end_description]
+
+ Copyright 2011-2012 Karsten Ahnert
+ Copyright 2011-2012 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_UTIL_COPY_HPP_INCLUDED
+#define BOOST_NUMERIC_ODEINT_UTIL_COPY_HPP_INCLUDED
+
+#include <type_traits>
+
+#include <boost/range/algorithm/copy.hpp>
+
+#include <boost/utility/enable_if.hpp>
+
+#include <boost/numeric/odeint/util/detail/is_range.hpp>
+
+namespace boost {
+namespace numeric {
+namespace odeint {
+
+namespace detail {
+
+    template< class Container1 , class Container2 >
+    void do_copying( const Container1 &from , Container2 &to , std::integral_constant<bool, true>)
+    {
+        boost::range::copy( from , boost::begin( to ) );
+    }
+
+    template< class Container1 , class Container2 >
+    void do_copying( const Container1 &from , Container2 &to , std::integral_constant<bool, false>)
+    {
+        to = from;
+    }
+
+} // namespace detail
+
+
+
+/*
+ * Default implementation of the copy operation used the assign operator
+ * gsl_vector must copied differently
+ */
+template< class Container1 , class Container2 , class Enabler = void >
+struct copy_impl_sfinae
+{
+    static void copy( const Container1 &from , Container2 &to )
+    {
+        typedef typename boost::numeric::odeint::detail::is_range< Container1 >::type is_range_type;
+        detail::do_copying( from , to , is_range_type() );
+    }
+
+};
+
+template< class Container1, class Container2 >
+struct copy_impl
+{
+    static void copy( const Container1 &from , Container2 &to )
+    {
+        copy_impl_sfinae< Container1 , Container2 >::copy( from , to );
+    }
+};
+
+// ToDo: allow also to copy INTO a range, not only from a range! Needs "const Container2 &to"
+template< class Container1 , class Container2 >
+void copy( const Container1 &from , Container2 &to )
+{
+    copy_impl< Container1 , Container2 >::copy( from , to );
+}
+
+
+} // namespace odeint
+} // namespace numeric
+} // namespace boost
+
+
+#endif // BOOST_NUMERIC_ODEINT_UTIL_COPY_HPP_INCLUDED