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			1.5 KiB
		
	
	
	
		
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			62 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | //---------------------------------------------------------------------------// | ||
|  | // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com> | ||
|  | // | ||
|  | // 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 | ||
|  | // | ||
|  | // See http://boostorg.github.com/compute for more information. | ||
|  | //---------------------------------------------------------------------------// | ||
|  | 
 | ||
|  | #ifndef BOOST_COMPUTE_CONTAINER_DETAIL_SCALAR_HPP | ||
|  | #define BOOST_COMPUTE_CONTAINER_DETAIL_SCALAR_HPP | ||
|  | 
 | ||
|  | #include <boost/compute/buffer.hpp> | ||
|  | #include <boost/compute/detail/read_write_single_value.hpp> | ||
|  | 
 | ||
|  | namespace boost { | ||
|  | namespace compute { | ||
|  | namespace detail { | ||
|  | 
 | ||
|  | // scalar<T> provides a trivial "container" that stores a | ||
|  | // single value in a memory buffer on a compute device | ||
|  | template<class T> | ||
|  | class scalar | ||
|  | { | ||
|  | public: | ||
|  |     typedef T value_type; | ||
|  | 
 | ||
|  |     scalar(const context &context) | ||
|  |         : m_buffer(context, sizeof(T)) | ||
|  |     { | ||
|  |     } | ||
|  | 
 | ||
|  |     ~scalar() | ||
|  |     { | ||
|  |     } | ||
|  | 
 | ||
|  |     T read(command_queue &queue) const | ||
|  |     { | ||
|  |         return read_single_value<T>(m_buffer, 0, queue); | ||
|  |     } | ||
|  | 
 | ||
|  |     void write(const T &value, command_queue &queue) | ||
|  |     { | ||
|  |         write_single_value<T>(value, m_buffer, 0, queue); | ||
|  |     } | ||
|  | 
 | ||
|  |     const buffer& get_buffer() const | ||
|  |     { | ||
|  |         return m_buffer; | ||
|  |     } | ||
|  | 
 | ||
|  | private: | ||
|  |     buffer m_buffer; | ||
|  | }; | ||
|  | 
 | ||
|  | } // end detail namespace | ||
|  | } // end compute namespace | ||
|  | } // end boost namespace | ||
|  | 
 | ||
|  | #endif // BOOST_COMPUTE_CONTAINER_DETAIL_SCALAR_HPP |