external/vexcl/vexcl_resize.hpp

0001 /*
0002  [auto_generated]
0003  boost/numeric/odeint/external/vexcl/vexcl_resize.hpp
0004
0005  [begin_description]
0006  Enable resizing for vexcl vector and multivector.
0007  [end_description]
0008
0009  Copyright 2012 Karsten Ahnert
0010  Copyright 2012 Mario Mulansky
0011  Copyright 2012 Denis Demidov
0012
0013  Distributed under the Boost Software License, Version 1.0.
0014  (See accompanying file LICENSE_1_0.txt or
0015  copy at http://www.boost.org/LICENSE_1_0.txt)
0016  */
0017
0018
0019 #ifndef BOOST_NUMERIC_ODEINT_EXTERNAL_VEXCL_VEXCL_RESIZE_HPP_INCLUDED
0020 #define BOOST_NUMERIC_ODEINT_EXTERNAL_VEXCL_VEXCL_RESIZE_HPP_INCLUDED
0021
0022 #include <type_traits>
0023
0024 #include <vexcl/vector.hpp>
0025 #include <vexcl/multivector.hpp>
0026
0027 #include <boost/numeric/odeint/util/is_resizeable.hpp>
0028 #include <boost/numeric/odeint/util/resize.hpp>
0029 #include <boost/numeric/odeint/util/same_size.hpp>
0030
0031 namespace boost {
0032 namespace numeric {
0033 namespace odeint {
0034
0035
0036
0037 /*
0038  * specializations for vex::vector< T >
0039  */
0040 template< typename T >
0041 struct is_resizeable< vex::vector< T > > : std::true_type { };
0042
0043 template< typename T >
0044 struct resize_impl< vex::vector< T > , vex::vector< T > >
0045 {
0046     static void resize( vex::vector< T > &x1 , const vex::vector< T > &x2 )
0047     {
0048         x1.resize( x2.queue_list() , x2.size() );
0049     }
0050 };
0051
0052 template< typename T >
0053 struct same_size_impl< vex::vector< T > , vex::vector< T > >
0054 {
0055     static bool same_size( const vex::vector< T > &x1 , const vex::vector< T > &x2 )
0056     {
0057         return x1.size() == x2.size();
0058     }
0059 };
0060
0061
0062
0063
0064
0065 /*
0066  * specializations for vex::multivector< T >
0067  */
0068 template< typename T , size_t N >
0069 struct is_resizeable< vex::multivector< T , N > > : std::true_type { };
0070
0071 template< typename T , size_t N >
0072 struct resize_impl< vex::multivector< T , N > , vex::multivector< T , N > >
0073 {
0074     static void resize( vex::multivector< T , N > &x1 , const vex::multivector< T , N > &x2 )
0075     {
0076         x1.resize( x2.queue_list() , x2.size() );
0077     }
0078 };
0079
0080 template< typename T , size_t N >
0081 struct same_size_impl< vex::multivector< T , N > , vex::multivector< T , N > >
0082 {
0083     static bool same_size( const vex::multivector< T , N > &x1 , const vex::multivector< T , N > &x2 )
0084     {
0085         return x1.size() == x2.size();
0086     }
0087 };
0088
0089
0090 } // namespace odeint
0091 } // namespace numeric
0092 } // namespace boost
0093
0094
0095
0096 #endif // BOOST_NUMERIC_ODEINT_EXTERNAL_VEXCL_VEXCL_RESIZE_HPP_INCLUDED