ceph/src/boost/libs/numeric/odeint/include/boost/numeric/odeint/integrate/detail/functors.hpp

   1 /*
   2  [auto_generated]
   3  boost/numeric/odeint/integrate/detail/functors.hpp
   4
   5  [begin_description]
   6  some functors for the iterator based integrate routines
   7  [end_description]
   8
   9  Copyright 2009-2013 Karsten Ahnert
  10  Copyright 2009-2013 Mario Mulansky
  11
  12  Distributed under the Boost Software License, Version 1.0.
  13  (See accompanying file LICENSE_1_0.txt or
  14  copy at http://www.boost.org/LICENSE_1_0.txt)
  15  */
  16
  17
  18 #ifndef BOOST_NUMERIC_ODEINT_INTEGRATE_DETAIL_FUNCTORS_HPP_INCLUDED
  19 #define BOOST_NUMERIC_ODEINT_INTEGRATE_DETAIL_FUNCTORS_HPP_INCLUDED
  20
  21 #include <utility>
  22
  23 namespace boost {
  24 namespace numeric {
  25 namespace odeint {
  26 namespace detail {
  27
  28
  29 template< class Observer >
  30 struct obs_caller {
  31
  32     size_t &m_n;
  33     Observer m_obs;
  34
  35     obs_caller( size_t &m , Observer &obs ) : m_n(m) , m_obs( obs ) {}
  36
  37     template< class State , class Time >
  38     void operator()( std::pair< const State & , const Time & > x )
  39     {
  40         typedef typename odeint::unwrap_reference< Observer >::type observer_type;
  41         observer_type &obs = m_obs;
  42         obs( x.first , x.second );
  43         m_n++;
  44     }
  45 };
  46
  47 template< class Observer , class Time >
  48 struct obs_caller_time {
  49
  50     Time &m_t;
  51     Observer m_obs;
  52
  53     obs_caller_time( Time &t , Observer &obs ) : m_t(t) , m_obs( obs ) {}
  54
  55     template< class State >
  56     void operator()( std::pair< const State & , const Time & > x )
  57     {
  58         typedef typename odeint::unwrap_reference< Observer >::type observer_type;
  59         observer_type &obs = m_obs;
  60         obs( x.first , x.second );
  61         m_t = x.second;
  62     }
  63 };
  64
  65 } // namespace detail
  66 } // namespace odeint
  67 } // namespace numeric
  68 } // namespace boost
  69
  70 #endif // BOOST_NUMERIC_ODEINT_INTEGRATE_DETAIL_FUNCTORS_HPP_INCLUDED