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Sacado_ELRCacheFad_DFadTraits.hpp
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29 // The forward-mode AD classes in Sacado are a derivative work of the
30 // expression template classes in the Fad package by Nicolas Di Cesare.
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35 // Nicolas Di Cesare <Nicolas.Dicesare@ann.jussieu.fr>
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37 //
38 // CEMRACS 98 : C++ courses,
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40 // for scientific computing
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43 //
44 // NumericalTraits class to illustrate TRAITS
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48 
49 #ifndef SACADO_ELRCACHEFAD_DFADTRAITS_HPP
50 #define SACADO_ELRCACHEFAD_DFADTRAITS_HPP
51 
52 #include "Sacado_Traits.hpp"
53 
54 // Forward declarations
55 namespace Sacado {
56  namespace ELRCacheFad {
57  template <typename T> class DFad;
58  }
59 }
60 
61 namespace Sacado {
62 
64  SACADO_FAD_PROMOTE_SPEC( ELRCacheFad, DFad )
65 
66 
67  template <typename ValueT>
68  struct ScalarType< ELRCacheFad::DFad<ValueT> > {
70  };
71 
73  template <typename ValueT>
74  struct ValueType< ELRCacheFad::DFad<ValueT> > {
75  typedef ValueT type;
76  };
77 
79  template <typename ValueT>
80  struct IsADType< ELRCacheFad::DFad<ValueT> > {
81  static const bool value = true;
82  };
83 
85  template <typename ValueT>
86  struct IsScalarType< ELRCacheFad::DFad<ValueT> > {
87  static const bool value = false;
88  };
89 
91  template <typename ValueT>
92  struct Value< ELRCacheFad::DFad<ValueT> > {
95  static const value_type& eval(const ELRCacheFad::DFad<ValueT>& x) {
96  return x.val(); }
97  };
98 
100  template <typename ValueT>
101  struct ScalarValue< ELRCacheFad::DFad<ValueT> > {
105  static const scalar_type& eval(const ELRCacheFad::DFad<ValueT>& x) {
106  return ScalarValue<value_type>::eval(x.val()); }
107  };
108 
110  template <typename ValueT>
111  struct StringName< ELRCacheFad::DFad<ValueT> > {
112  static std::string eval() {
113  return std::string("Sacado::ELRCacheFad::DFad< ") +
114  StringName<ValueT>::eval() + " >"; }
115  };
116 
118  template <typename ValueT>
119  struct IsEqual< ELRCacheFad::DFad<ValueT> > {
121  static bool eval(const ELRCacheFad::DFad<ValueT>& x,
122  const ELRCacheFad::DFad<ValueT>& y) {
123  return x.isEqualTo(y);
124  }
125  };
126 
128  template <typename ValueT>
129  struct IsStaticallySized< ELRCacheFad::DFad<ValueT> > {
130  static const bool value = false;
131  };
132 
134  template <typename ValueT>
135  struct IsStaticallySized< const ELRCacheFad::DFad<ValueT> > {
136  static const bool value = false;
137  };
138 
139 } // namespace Sacado
140 
141 //
142 // Define Teuchos traits classes
143 //
144 
145 // Promotion traits
146 #ifdef HAVE_SACADO_TEUCHOSNUMERICS
148 namespace Teuchos {
149  template <typename ValueT>
150  struct PromotionTraits< Sacado::ELRCacheFad::DFad<ValueT>,
151  Sacado::ELRCacheFad::DFad<ValueT> > {
154  promote;
155  };
156 
157  template <typename ValueT, typename R>
158  struct PromotionTraits< Sacado::ELRCacheFad::DFad<ValueT>, R > {
159  typedef typename Sacado::Promote< Sacado::ELRCacheFad::DFad<ValueT>, R >::type
160  promote;
161  };
162 
163  template <typename L, typename ValueT>
164  struct PromotionTraits< L, Sacado::ELRCacheFad::DFad<ValueT> > {
165  public:
167  promote;
168  };
169 }
170 #endif
171 
172 // Scalar traits
173 #ifdef HAVE_SACADO_TEUCHOSCORE
175 namespace Teuchos {
176  template <typename ValueT>
177  struct ScalarTraits< Sacado::ELRCacheFad::DFad<ValueT> > :
178  public Sacado::Fad::ScalarTraitsImp< Sacado::ELRCacheFad::DFad<ValueT> >
179  {};
180 }
181 #endif
182 
183 // Serialization traits
184 #ifdef HAVE_SACADO_TEUCHOSCOMM
186 namespace Teuchos {
187  template <typename Ordinal, typename ValueT>
188  struct SerializationTraits<Ordinal, Sacado::ELRCacheFad::DFad<ValueT> > :
189  public Sacado::Fad::SerializationTraitsImp< Ordinal,
190  Sacado::ELRCacheFad::DFad<ValueT> >
191  {};
192 
193  template <typename Ordinal, typename ValueT>
194  struct ValueTypeSerializer<Ordinal, Sacado::ELRCacheFad::DFad<ValueT> > :
195  public Sacado::Fad::SerializerImp< Ordinal,
196  Sacado::ELRCacheFad::DFad<ValueT>,
197  ValueTypeSerializer<Ordinal,ValueT> >
198  {
200  typedef ValueTypeSerializer<Ordinal,ValueT> ValueSerializer;
201  typedef Sacado::Fad::SerializerImp< Ordinal,FadType,ValueSerializer> Base;
202  ValueTypeSerializer(const Teuchos::RCP<const ValueSerializer>& vs,
203  Ordinal sz = 0) :
204  Base(vs, sz) {}
205  };
206 }
207 #endif
208 
209 // KokkosComm
210 #if defined(HAVE_SACADO_KOKKOSCORE) && defined(HAVE_SACADO_TEUCHOSKOKKOSCOMM) && defined(HAVE_SACADO_VIEW_SPEC) && !defined(SACADO_DISABLE_FAD_VIEW_SPEC)
211 #include "KokkosExp_View_Fad.hpp"
212 #endif
213 
214 #endif // SACADO_ELRCACHEFAD_DFADTRAITS_HPP
static std::string eval()
static KOKKOS_INLINE_FUNCTION const scalar_type & eval(const ELRCacheFad::DFad< ValueT > &x)
Base template specification for ScalarValue.
Base template specification for ScalarType.
Base template specification for string names of types.
Base template specification for IsADType.
Sacado::Fad::DFad< double > FadType
Base template specification for Value.
#define SACADO_FAD_PROMOTE_SPEC(NS, FAD)
#define KOKKOS_INLINE_FUNCTION
static const bool value
ScalarType< ELRCacheFad::DFad< ValueT > >::type scalar_type
GeneralFad< DynamicStorage< T > > DFad
Base template specification for testing equivalence.
static KOKKOS_INLINE_FUNCTION const value_type & eval(const ELRCacheFad::DFad< ValueT > &x)
int Ordinal
ValueType< ELRCacheFad::DFad< ValueT > >::type value_type
static const bool value
Base template specification for IsScalarType.
static KOKKOS_INLINE_FUNCTION bool eval(const ELRCacheFad::DFad< ValueT > &x, const ELRCacheFad::DFad< ValueT > &y)
ValueType< ELRCacheFad::DFad< ValueT > >::type value_type
Base template specification for ValueType.
Base template specification for Promote.
static KOKKOS_INLINE_FUNCTION const T & eval(const T &x)
Base template specification for testing whether type is statically sized.