external/compute/compute_resize.hpp

0001 /*
0002  [auto_generated]
0003  boost/numeric/odeint/external/compute/compute_resize.hpp
0004
0005  [begin_description]
0006  Enable resizing for Boost.Compute vector
0007  [end_description]
0008
0009  Copyright 2009-2011 Karsten Ahnert
0010  Copyright 2009-2011 Mario Mulansky
0011
0012  Distributed under the Boost Software License, Version 1.0.
0013  (See accompanying file LICENSE_1_0.txt or
0014  copy at http://www.boost.org/LICENSE_1_0.txt)
0015  */
0016
0017
0018 #ifndef BOOST_NUMERIC_ODEINT_EXTERNAL_COMPUTE_COMPUTE_RESIZE_HPP_DEFINED
0019 #define BOOST_NUMERIC_ODEINT_EXTERNAL_COMPUTE_COMPUTE_RESIZE_HPP_DEFINED
0020
0021 #include <boost/compute/container/vector.hpp>
0022
0023 #include <boost/numeric/odeint/util/copy.hpp>
0024
0025 namespace boost {
0026 namespace numeric {
0027 namespace odeint {
0028
0029 template< class T, class A >
0030 struct is_resizeable< boost::compute::vector< T , A > >
0031 {
0032     struct type : public boost::true_type { };
0033     const static bool value = type::value;
0034 };
0035
0036 template< class T, class A >
0037 struct same_size_impl< boost::compute::vector< T, A > , boost::compute::vector< T, A > >
0038 {
0039     static bool same_size( const boost::compute::vector< T, A > &x , const boost::compute::vector< T, A > &y )
0040     {
0041         return x.size() == y.size();
0042     }
0043 };
0044
0045 template< class T, class A >
0046 struct resize_impl< boost::compute::vector< T, A > , boost::compute::vector< T, A > >
0047 {
0048     static void resize( boost::compute::vector< T, A > &x , const boost::compute::vector< T, A > &y )
0049     {
0050         x.resize( y.size() );
0051     }
0052 };
0053
0054
0055 template< class Container1, class T, class A >
0056 struct copy_impl< Container1 , boost::compute::vector< T, A > >
0057 {
0058     static void copy( const Container1 &from , boost::compute::vector< T, A > &to )
0059     {
0060         boost::compute::copy( boost::begin( from ) , boost::end( from ) , boost::begin( to ) );
0061     }
0062 };
0063
0064 template< class T, class A, class Container2 >
0065 struct copy_impl< boost::compute::vector< T, A > , Container2 >
0066 {
0067     static void copy( const boost::compute::vector< T, A > &from , Container2 &to )
0068     {
0069         boost::compute::copy( boost::begin( from ) , boost::end( from ) , boost::begin( to ) );
0070     }
0071 };
0072
0073 template< class T, class A >
0074 struct copy_impl< boost::compute::vector< T, A > , boost::compute::vector< T, A > >
0075 {
0076     static void copy( const boost::compute::vector< T, A > &from , boost::compute::vector< T, A > &to )
0077     {
0078         boost::compute::copy( boost::begin( from ) , boost::end( from ) , boost::begin( to ) );
0079     }
0080 };
0081
0082
0083
0084
0085 } // odeint
0086 } // numeric
0087 } // boost
0088
0089
0090 #endif // BOOST_NUMERIC_ODEINT_EXTERNAL_COMPUTE_COMPUTE_RESIZE_HPP_DEFINED