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1
2/*
3 [auto_generated]
4 boost/numeric/odeint/iterator/const_step_iterator.hpp
5
6 [begin_description]
7 Iterator for iterating through the solution of an ODE with constant step size.
8 [end_description]
9
10 Copyright 2012-2013 Karsten Ahnert
11 Copyright 2013 Mario Mulansky
12
13 Distributed under the Boost Software License, Version 1.0.
14 (See accompanying file LICENSE_1_0.txt or
15 copy at http://www.boost.org/LICENSE_1_0.txt)
16 */
17
18
19#ifndef BOOST_NUMERIC_ODEINT_ITERATOR_CONST_STEP_ODE_ITERATOR_HPP_INCLUDED
20#define BOOST_NUMERIC_ODEINT_ITERATOR_CONST_STEP_ODE_ITERATOR_HPP_INCLUDED
21
22
23#include <boost/numeric/odeint/util/stepper_traits.hpp>
24#include <boost/numeric/odeint/stepper/stepper_categories.hpp>
25#include <boost/numeric/odeint/iterator/detail/ode_iterator_base.hpp>
26#include <boost/numeric/odeint/iterator/impl/const_step_iterator_impl.hpp>
27
28
29namespace boost {
30namespace numeric {
31namespace odeint {
32
33
34 /* use the const_step_iterator_impl with the right tags */
35 template< class Stepper , class System , class State
36#ifndef DOXYGEN_SKIP
37 , class StepperTag = typename base_tag< typename traits::stepper_category< Stepper >::type >::type
38#endif
39 >
40 class const_step_iterator : public const_step_iterator_impl<
41 const_step_iterator< Stepper , System , State , StepperTag > ,
42 Stepper , System , State , detail::ode_state_iterator_tag , StepperTag
43 >
44 {
45 typedef typename traits::time_type< Stepper >::type time_type;
46 typedef const_step_iterator< Stepper , System , State , StepperTag > iterator_type;
47
48 public:
49 const_step_iterator( Stepper stepper , System sys , State &s , time_type t_start , time_type t_end , time_type dt )
50 : const_step_iterator_impl< iterator_type , Stepper , System , State , detail::ode_state_iterator_tag , StepperTag >( stepper , sys , s , t_start , t_end , dt )
51 {}
52
53 const_step_iterator( Stepper stepper , System sys , State &s )
54 : const_step_iterator_impl< iterator_type , Stepper , System , State , detail::ode_state_iterator_tag , StepperTag >( stepper , sys , s )
55 {}
56 };
57
58 /* make functions */
59
60 template< class Stepper , class System , class State >
61 const_step_iterator< Stepper , System, State > make_const_step_iterator_begin(
62 Stepper stepper ,
63 System system ,
64 State &x ,
65 typename traits::time_type< Stepper >::type t_start ,
66 typename traits::time_type< Stepper >::type t_end ,
67 typename traits::time_type< Stepper >::type dt )
68 {
69 return const_step_iterator< Stepper , System , State >( stepper , system , x , t_start , t_end , dt );
70 }
71
72 template< class Stepper , class System , class State >
73 const_step_iterator< Stepper , System , State > make_const_step_iterator_end(
74 Stepper stepper ,
75 System system ,
76 State &x )
77 {
78 return const_step_iterator< Stepper , System , State >( stepper , system , x );
79 }
80
81 template< class Stepper , class System , class State >
82 std::pair< const_step_iterator< Stepper , System , State > , const_step_iterator< Stepper , System , State > >
83 make_const_step_range(
84 Stepper stepper ,
85 System system ,
86 State &x ,
87 typename traits::time_type< Stepper >::type t_start ,
88 typename traits::time_type< Stepper >::type t_end ,
89 typename traits::time_type< Stepper >::type dt )
90 {
91 return std::make_pair(
92 const_step_iterator< Stepper , System , State >( stepper , system , x , t_start , t_end , dt ) ,
93 const_step_iterator< Stepper , System , State >( stepper , system , x )
94 );
95 }
96
97
98
99 /**
100 * \class const_step_iterator
101 *
102 * \brief ODE Iterator with constant step size. The value type of this iterator is the state type of the stepper.
103 *
104 * Implements an iterator representing the solution of an ODE from t_start
105 * to t_end evaluated at steps with constant step size dt.
106 * After each iteration the iterator dereferences to the state x at the next
107 * time t+dt.
108 * This iterator can be used with Steppers and
109 * DenseOutputSteppers and it always makes use of the all the given steppers
110 * capabilities. A for_each over such an iterator range behaves similar to
111 * the integrate_const routine.
112 *
113 * const_step_iterator is a model of single-pass iterator.
114 *
115 * The value type of this iterator is the state type of the stepper. Hence one can only access the state and not the current time.
116 *
117 * \tparam Stepper The stepper type which should be used during the iteration.
118 * \tparam System The type of the system function (ODE) which should be solved.
119 * \tparam State The state type of the ODE.
120 */
121
122
123 /**
124 * \fn make_const_step_iterator_begin(
125 Stepper stepper ,
126 System system ,
127 State &x ,
128 typename traits::time_type< Stepper >::type t_start ,
129 typename traits::time_type< Stepper >::type t_end ,
130 typename traits::time_type< Stepper >::type dt )
131 *
132 * \brief Factory function for const_step_iterator. Constructs a begin iterator.
133 *
134 * \param stepper The stepper to use during the iteration.
135 * \param system The system function (ODE) to solve.
136 * \param x The initial state. const_step_iterator stores a reference of s and changes its value during the iteration.
137 * \param t_start The initial time.
138 * \param t_end The end time, at which the iteration should stop.
139 * \param dt The initial time step.
140 * \returns The const step iterator.
141 */
142
143
144 /**
145 * \fn make_const_step_iterator_end( Stepper stepper , System system , State &x )
146 * \brief Factory function for const_step_iterator. Constructs a end iterator.
147 *
148 * \param stepper The stepper to use during the iteration.
149 * \param system The system function (ODE) to solve.
150 * \param x The initial state. const_step_iterator stores a reference of s and changes its value during the iteration.
151 * \returns The const_step_iterator.
152 */
153
154
155 /**
156 * \fn make_const_step_range( Stepper stepper , System system , State &x ,
157 typename traits::time_type< Stepper >::type t_start ,
158 typename traits::time_type< Stepper >::type t_end ,
159 typename traits::time_type< Stepper >::type dt )
160 *
161 * \brief Factory function to construct a single pass range of const step iterators. A range is here a pair
162 * of const_step_iterator.
163 *
164 * \param stepper The stepper to use during the iteration.
165 * \param system The system function (ODE) to solve.
166 * \param x The initial state. const_step_iterator store a reference of s and changes its value during the iteration.
167 * \param t_start The initial time.
168 * \param t_end The end time, at which the iteration should stop.
169 * \param dt The initial time step.
170 * \returns The const step range.
171 */
172
173
174} // namespace odeint
175} // namespace numeric
176} // namespace boost
177
178//#include <boost/numeric/odeint/iterator/impl/const_step_iterator_dense_output_impl.hpp>
179
180#endif // BOOST_NUMERIC_ODEINT_ITERATOR_CONST_STEP_ODE_ITERATOR_HPP_INCLUDED