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Sacado_LFad_ExpressionTraits.hpp
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29 
30 #ifndef SACADO_LFAD_EXPRESSIONTRAITS_HPP
31 #define SACADO_LFAD_EXPRESSIONTRAITS_HPP
32 
33 #include "Sacado_Traits.hpp"
34 
35 // Forward declarations
36 namespace Sacado {
37  namespace LFad {
38  template <typename T> class Expr;
39  }
40 }
41 
42 namespace Sacado {
43 
46 
47 
48  template <typename T>
49  struct ScalarType< LFad::Expr<T> > {
51  };
52 
54  template <typename T>
55  struct ValueType< LFad::Expr<T> > {
56  typedef typename LFad::Expr<T>::value_type type;
57  };
58 
60  template <typename T>
61  struct IsADType< LFad::Expr<T> > {
62  static const bool value = true;
63  };
64 
66  template <typename T>
67  struct IsScalarType< LFad::Expr<T> > {
68  static const bool value = false;
69  };
70 
72  template <typename T>
73  struct Value< LFad::Expr<T> > {
74  typedef typename ValueType< LFad::Expr<T> >::type value_type;
75  static const value_type& eval(const LFad::Expr<T>& x) {
76  return x.val(); }
77  };
78 
80  template <typename T>
81  struct ScalarValue< LFad::Expr<T> > {
82  typedef typename ValueType< LFad::Expr<T> >::type value_type;
83  typedef typename ScalarType< LFad::Expr<T> >::type scalar_type;
84  static const scalar_type& eval(const LFad::Expr<T>& x) {
85  return ScalarValue<value_type>::eval(x.val()); }
86  };
87 
88 } // namespace Sacado
89 
90 #endif // SACADO_LFAD_EXPRESSIONTRAITS_HPP
static SACADO_INLINE_FUNCTION const T & eval(const T &x)
ValueType< LFad::Expr< T > >::type value_type
Base template specification for ScalarValue.
Base template specification for ScalarType.
Base template specification for IsADType.
Base template specification for Value.
#define T
Definition: Sacado_rad.hpp:573
ScalarType< typename LFad::Expr< T >::value_type >::type type
static const value_type & eval(const LFad::Expr< T > &x)
static const bool value
#define SACADO_EXPR_PROMOTE_SPEC(NS)
ValueType< LFad::Expr< T > >::type value_type
Wrapper for a generic expression template.
static const bool value
ScalarType< LFad::Expr< T > >::type scalar_type
Base template specification for IsScalarType.
Base template specification for ValueType.
static const scalar_type & eval(const LFad::Expr< T > &x)