3 boost/numeric/odeint/stepper/detail/adams_bashforth_call_algebra.hpp
6 Algebra caller for the Adams Bashforth stepper.
9 Copyright 2011-2012 Karsten Ahnert
10 Copyright 2011 Mario Mulansky
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)
18 #ifndef BOOST_NUMERIC_ODEINT_STEPPER_DETAIL_ADAMS_BASHFORTH_CALL_ALGEBRA_HPP_INCLUDED
19 #define BOOST_NUMERIC_ODEINT_STEPPER_DETAIL_ADAMS_BASHFORTH_CALL_ALGEBRA_HPP_INCLUDED
21 #include <boost/assert.hpp>
29 template< size_t Step , class Algebra , class Operations >
30 struct adams_bashforth_call_algebra;
32 template< class Algebra , class Operations >
33 struct adams_bashforth_call_algebra< 1 , Algebra , Operations >
35 template< class StateIn , class StateOut , class StepStorage , class Coefficients , class Time >
36 void operator()( Algebra &algebra , const StateIn &in , StateOut &out , const StepStorage &steps , const Coefficients &coef , Time dt ) const
38 typedef typename Coefficients::value_type value_type;
39 algebra.for_each3( out , in , steps[0].m_v , typename Operations::template scale_sum2< value_type , Time >( 1.0 , dt * coef[0] ) );
44 template< class Algebra , class Operations >
45 struct adams_bashforth_call_algebra< 2 , Algebra , Operations >
47 template< class StateIn , class StateOut , class StepStorage , class Coefficients , class Time >
48 void operator()( Algebra &algebra , const StateIn &in , StateOut &out , const StepStorage &steps , const Coefficients &coef , Time dt ) const
50 typedef typename Coefficients::value_type value_type;
51 algebra.for_each4( out , in , steps[0].m_v , steps[1].m_v ,
52 typename Operations::template scale_sum3< value_type , Time , Time >( 1.0 , dt * coef[0] , dt * coef[1] ) );
57 template< class Algebra , class Operations >
58 struct adams_bashforth_call_algebra< 3 , Algebra , Operations >
60 template< class StateIn , class StateOut , class StepStorage , class Coefficients , class Time >
61 void operator()( Algebra &algebra , const StateIn &in , StateOut &out , const StepStorage &steps , const Coefficients &coef , Time dt ) const
63 typedef typename Coefficients::value_type value_type;
64 algebra.for_each5( out , in , steps[0].m_v , steps[1].m_v , steps[2].m_v ,
65 typename Operations::template scale_sum4< value_type , Time , Time , Time >( 1.0 , dt * coef[0] , dt * coef[1] , dt * coef[2] ) );
70 template< class Algebra , class Operations >
71 struct adams_bashforth_call_algebra< 4 , Algebra , Operations >
73 template< class StateIn , class StateOut , class StepStorage , class Coefficients , class Time >
74 void operator()( Algebra &algebra , const StateIn &in , StateOut &out , const StepStorage &steps , const Coefficients &coef , Time dt ) const
76 typedef typename Coefficients::value_type value_type;
77 algebra.for_each6( out , in , steps[0].m_v , steps[1].m_v , steps[2].m_v , steps[3].m_v ,
78 typename Operations::template scale_sum5< value_type , Time , Time , Time >(
79 1.0 , dt * coef[0] , dt * coef[1] , dt * coef[2] , dt * coef[3] ) );
84 template< class Algebra , class Operations >
85 struct adams_bashforth_call_algebra< 5 , Algebra , Operations >
87 template< class StateIn , class StateOut , class StepStorage , class Coefficients , class Time >
88 void operator()( Algebra &algebra , const StateIn &in , StateOut &out , const StepStorage &steps , const Coefficients &coef , Time dt ) const
90 typedef typename Coefficients::value_type value_type;
91 algebra.for_each7( out , in , steps[0].m_v , steps[1].m_v , steps[2].m_v , steps[3].m_v , steps[4].m_v ,
92 typename Operations::template scale_sum6< value_type , Time , Time , Time , Time >(
93 1.0 , dt * coef[0] , dt * coef[1] , dt * coef[2] , dt * coef[3] , dt * coef[4] ) );
98 template< class Algebra , class Operations >
99 struct adams_bashforth_call_algebra< 6 , Algebra , Operations >
101 template< class StateIn , class StateOut , class StepStorage , class Coefficients , class Time >
102 void operator()( Algebra &algebra , const StateIn &in , StateOut &out , const StepStorage &steps , const Coefficients &coef , Time dt ) const
104 typedef typename Coefficients::value_type value_type;
105 algebra.for_each8( out , in , steps[0].m_v , steps[1].m_v , steps[2].m_v , steps[3].m_v , steps[4].m_v , steps[5].m_v ,
106 typename Operations::template scale_sum7< value_type , Time , Time , Time , Time , Time >(
107 1.0 , dt * coef[0] , dt * coef[1] , dt * coef[2] , dt * coef[3] , dt * coef[4] , dt * coef[5] ) );
112 template< class Algebra , class Operations >
113 struct adams_bashforth_call_algebra< 7 , Algebra , Operations >
115 template< class StateIn , class StateOut , class StepStorage , class Coefficients , class Time >
116 void operator()( Algebra &algebra , const StateIn &in , StateOut &out , const StepStorage &steps , const Coefficients &coef , Time dt ) const
118 //BOOST_ASSERT( false ); // not implemented
119 typedef typename Coefficients::value_type value_type;
120 algebra.for_each9( out , in , steps[0].m_v , steps[1].m_v , steps[2].m_v , steps[3].m_v , steps[4].m_v , steps[5].m_v , steps[6].m_v ,
121 typename Operations::template scale_sum8< value_type , Time , Time , Time , Time , Time , Time >(
122 1.0 , dt * coef[0] , dt * coef[1] , dt * coef[2] , dt * coef[3] , dt * coef[4] , dt * coef[5] , dt * coef[6] ) );
127 template< class Algebra , class Operations >
128 struct adams_bashforth_call_algebra< 8 , Algebra , Operations >
130 template< class StateIn , class StateOut , class StepStorage , class Coefficients , class Time >
131 void operator()( Algebra &algebra , const StateIn &in , StateOut &out , const StepStorage &steps , const Coefficients &coef , Time dt ) const
133 //BOOST_ASSERT( false ); // not implemented
134 typedef typename Coefficients::value_type value_type;
135 algebra.for_each10( out , in , steps[0].m_v , steps[1].m_v , steps[2].m_v , steps[3].m_v , steps[4].m_v , steps[5].m_v , steps[6].m_v , steps[7].m_v ,
136 typename Operations::template scale_sum9< value_type , Time , Time , Time , Time , Time , Time , Time >(
137 1.0 , dt * coef[0] , dt * coef[1] , dt * coef[2] , dt * coef[3] , dt * coef[4] , dt * coef[5] , dt * coef[6] , dt * coef[7] ) );
151 #endif // BOOST_NUMERIC_ODEINT_STEPPER_DETAIL_ADAMS_BASHFORTH_CALL_ALGEBRA_HPP_INCLUDED