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1 /*
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2 [auto_generated]
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3 boost/numeric/odeint/util/unit_helper.hpp
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4
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5 [begin_description]
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6 Get and set the value of a unit.
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7 [end_description]
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8
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9 Copyright 2012-2013 Karsten Ahnert
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10 Copyright 2012-2013 Mario Mulansky
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11
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12 Distributed under the Boost Software License, Version 1.0.
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13 (See accompanying file LICENSE_1_0.txt or
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14 copy at http://www.boost.org/LICENSE_1_0.txt)
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15 */
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16
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17
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18 #ifndef BOOST_NUMERIC_ODEINT_UTIL_UNIT_HELPER_HPP_INCLUDED
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19 #define BOOST_NUMERIC_ODEINT_UTIL_UNIT_HELPER_HPP_INCLUDED
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20
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21
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22 #ifndef __CUDACC__
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23 #include <boost/units/quantity.hpp>
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24 #include <boost/units/get_dimension.hpp>
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25 #include <boost/units/get_system.hpp>
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26 #endif
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27
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28
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29
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30 namespace boost {
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31 namespace numeric {
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32 namespace odeint {
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33
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34
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35 namespace detail {
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36
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37 template<class T , class Enabler = void >
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38 struct get_unit_value_impl
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39 {
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40 static T value(const T &t)
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41 {
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42 return t;
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43 }
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44 typedef T result_type;
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45 };
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46
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47 #ifndef __CUDACC__
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48 template<class Unit , class T>
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49 struct get_unit_value_impl< boost::units::quantity< Unit , T> >
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50 {
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51 static T value( const boost::units::quantity< Unit , T> &t )
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52 {
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53 return t.value();
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54 }
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55 typedef T result_type;
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56 };
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57 #endif
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58
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59
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60
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61
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62
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63 template<class T , class V , class Enabler = void >
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64 struct set_unit_value_impl
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65 {
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66 static void set_value(T &t , const V &v)
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67 {
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68 t = v;
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69 }
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70 };
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71
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72 #ifndef __CUDACC__
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73 template<class Unit , class T , class V>
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74 struct set_unit_value_impl<boost::units::quantity<Unit , T> , V>
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75 {
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76 static void set_value(boost::units::quantity<Unit , T> &t , const V &v)
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77 {
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78 t = boost::units::quantity<Unit , T>::from_value(v);
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79 }
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80 };
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81 #endif
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82
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83
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84
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85 } // namespace detail
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86
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87
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88 template<class T>
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89 typename detail::get_unit_value_impl<T>::result_type get_unit_value(const T &t)
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90 {
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91 return detail::get_unit_value_impl<T>::value(t);
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92 }
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93
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94
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95 template<class T , class V>
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96 void set_unit_value(T &t , const V &v)
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97 {
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98 return detail::set_unit_value_impl<T , V>::set_value(t , v);
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99 }
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100
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101
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102
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103 template< class T >
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104 struct unit_value_type
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105 {
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106 typedef T type;
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107 };
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108
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109 #ifndef __CUDACC__
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110 template< class Unit , class Y >
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111 struct unit_value_type< boost::units::quantity< Unit , Y > >
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112 {
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113 typedef Y type;
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114 };
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115 #endif
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116
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117
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118
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119
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120
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121
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122
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123
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124
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125
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126 template< typename Time >
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127 struct inverse_time
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128 {
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129 typedef Time type;
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130 };
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131
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132 #ifndef __CUDACC__
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133 template< typename Unit , typename Value >
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134 struct inverse_time< boost::units::quantity< Unit , Value > >
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135 {
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136 typedef boost::units::quantity< Unit , Value > time_type;
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137 typedef typename boost::units::get_dimension< time_type >::type dimension;
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138 typedef typename boost::units::get_system< time_type >::type system;
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139 typedef typename boost::mpl::divides< boost::units::dimensionless_type , dimension >::type inv_dimension;
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140 typedef boost::units::unit< inv_dimension , system > inv_unit;
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141 typedef boost::units::quantity< inv_unit , Value > type;
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142 };
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143 #endif
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144
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145
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146 } // namespace odeint
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147 } // namespace numeric
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148 } // namespace boost
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149
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150
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151 #endif // BOOST_NUMERIC_ODEINT_UTIL_UNIT_HELPER_HPP_INCLUDED
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