ceph/src/boost/boost/numeric/odeint/stepper/generation/make_controlled.hpp

   1 /*
   2  [auto_generated]
   3  boost/numeric/odeint/stepper/generation/make_controlled.hpp
   4
   5  [begin_description]
   6  Factory function to simplify the creation of controlled steppers from error steppers.
   7  [end_description]
   8
   9  Copyright 2011-2012 Karsten Ahnert
  10  Copyright 2011-2012 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_STEPPER_GENERATION_MAKE_CONTROLLED_HPP_INCLUDED
  19 #define BOOST_NUMERIC_ODEINT_STEPPER_GENERATION_MAKE_CONTROLLED_HPP_INCLUDED
  20
  21
  22
  23
  24 namespace boost {
  25 namespace numeric {
  26 namespace odeint {
  27
  28
  29
  30 // default template for the controller
  31 template< class Stepper > struct get_controller { };
  32
  33
  34
  35 // default controller factory
  36 template< class Stepper , class Controller >
  37 struct controller_factory
  38 {
  39     Controller operator()(
  40             typename Stepper::value_type abs_error ,
  41             typename Stepper::value_type rel_error ,
  42             const Stepper &stepper )
  43     {
  44         return Controller( abs_error , rel_error , stepper );
  45     }
  46
  47     Controller operator()(
  48             typename Stepper::value_type abs_error ,
  49             typename Stepper::value_type rel_error ,
  50             typename Stepper::time_type max_dt ,
  51             const Stepper &stepper )
  52     {
  53         return Controller( abs_error , rel_error , max_dt, stepper );
  54     }
  55 };
  56
  57
  58
  59
  60 namespace result_of
  61 {
  62     template< class Stepper >
  63     struct make_controlled
  64     {
  65         typedef typename get_controller< Stepper >::type type;
  66     };
  67 }
  68
  69
  70 template< class Stepper >
  71 typename result_of::make_controlled< Stepper >::type make_controlled(
  72         typename Stepper::value_type abs_error ,
  73         typename Stepper::value_type rel_error ,
  74         const Stepper & stepper = Stepper() )
  75 {
  76     typedef Stepper stepper_type;
  77     typedef typename result_of::make_controlled< stepper_type >::type controller_type;
  78     typedef controller_factory< stepper_type , controller_type > factory_type;
  79     factory_type factory;
  80     return factory( abs_error , rel_error , stepper );
  81 }
  82
  83
  84 template< class Stepper >
  85 typename result_of::make_controlled< Stepper >::type make_controlled(
  86         typename Stepper::value_type abs_error ,
  87         typename Stepper::value_type rel_error ,
  88         typename Stepper::time_type max_dt ,
  89         const Stepper & stepper = Stepper() )
  90 {
  91     typedef Stepper stepper_type;
  92     typedef typename result_of::make_controlled< stepper_type >::type controller_type;
  93     typedef controller_factory< stepper_type , controller_type > factory_type;
  94     factory_type factory;
  95     return factory( abs_error , rel_error , max_dt, stepper );
  96 }
  97
  98 } // odeint
  99 } // numeric
 100 } // boost
 101
 102
 103 #endif // BOOST_NUMERIC_ODEINT_STEPPER_GENERATION_MAKE_CONTROLLED_HPP_INCLUDED