/* [auto_generated] boost/numeric/odeint/stepper/detail/rotating_buffer.hpp [begin_description] Implemetation of a rotating (cyclic) buffer for use in the Adam Bashforth stepper [end_description] Copyright 2011 Karsten Ahnert Copyright 2011 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_STEPPER_DETAIL_ROTATING_BUFFER_HPP_INCLUDED #define BOOST_NUMERIC_ODEINT_STEPPER_DETAIL_ROTATING_BUFFER_HPP_INCLUDED #include namespace boost { namespace numeric { namespace odeint { namespace detail { template< class T , size_t N > class rotating_buffer { public: typedef T value_type; const static size_t dim = N; rotating_buffer( void ) : m_first( 0 ) { } size_t size( void ) const { return dim; } value_type& operator[]( size_t i ) { return m_data[ get_index( i ) ]; } const value_type& operator[]( size_t i ) const { return m_data[ get_index( i ) ]; } void rotate( void ) { if( m_first == 0 ) m_first = dim-1; else --m_first; } protected: value_type m_data[N]; private: size_t get_index( size_t i ) const { return ( ( i + m_first ) % dim ); } size_t m_first; }; } // detail } // odeint } // numeric } // boost #endif // BOOST_NUMERIC_ODEINT_STEPPER_DETAIL_ROTATING_BUFFER_HPP_INCLUDED