1 //---------------------------------------------------------------------------// 2 // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com> 3 // 4 // Distributed under the Boost Software License, Version 1.0 5 // See accompanying file LICENSE_1_0.txt or copy at 6 // http://www.boost.org/LICENSE_1_0.txt 7 // 8 // See http://boostorg.github.com/compute for more information. 9 //---------------------------------------------------------------------------// 10 11 #ifndef BOOST_COMPUTE_FUNCTIONAL_CONVERT_HPP 12 #define BOOST_COMPUTE_FUNCTIONAL_CONVERT_HPP 13 14 namespace boost { 15 namespace compute { 16 namespace detail { 17 18 template<class T, class Arg> 19 struct invoked_convert 20 { invoked_convertboost::compute::detail::invoked_convert21 invoked_convert(const Arg &arg) 22 : m_arg(arg) 23 { 24 } 25 26 Arg m_arg; 27 }; 28 29 } // end detail namespace 30 31 /// The \ref convert function converts its argument to type \c T (similar to 32 /// static_cast<T>). 33 /// 34 /// \see \ref as "as<T>" 35 template<class T> 36 struct convert 37 { 38 typedef T result_type; 39 40 /// \internal_ 41 template<class Arg> operator ()boost::compute::convert42 detail::invoked_convert<T, Arg> operator()(const Arg &arg) const 43 { 44 return detail::invoked_convert<T, Arg>(arg); 45 } 46 }; 47 48 } // end compute namespace 49 } // end boost namespace 50 51 #endif // BOOST_COMPUTE_FUNCTIONAL_CONVERT_HPP 52