85 lines
1.6 KiB
Plaintext
85 lines
1.6 KiB
Plaintext
|
/*
|
||
|
|
[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 <boost/array.hpp>
|
||
|
|
|
||
|
|
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
|