Sacado_ELRCacheFad_ViewFadTraits.hpp

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// The forward-mode AD classes in Sacado are a derivative work of the
// expression template classes in the Fad package by Nicolas Di Cesare.
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//  Nicolas Di Cesare <Nicolas.Dicesare@ann.jussieu.fr>
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//            CEMRACS 98 : C++ courses,
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//********************************************************
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//  NumericalTraits class to illustrate TRAITS
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#ifndef SACADO_ELRCACHEFAD_VIEWFADTRAITS_HPP
#define SACADO_ELRCACHEFAD_VIEWFADTRAITS_HPP

#include "Sacado_Traits.hpp"

// Forward declarations
namespace Sacado {
  namespace ELRCacheFad {
    template <typename T,unsigned,unsigned,typename> class ViewFad;
  }
}

namespace Sacado {

  SACADO_VFAD_PROMOTE_SPEC( ELRCacheFad )

  
  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct ScalarType< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    typedef typename ELRCacheFad::ViewFad<ValueT,Size,Stride,Base>::ScalarT type;
  };

  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct ValueType< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    typedef ValueT type;
  };

  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct IsADType< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    static const bool value = true;
  };

  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct IsScalarType< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    static const bool value = false;
  };

  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct Value< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    typedef typename ValueType< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> >::type value_type;
    KOKKOS_INLINE_FUNCTION
    static const value_type& eval(const ELRCacheFad::ViewFad<ValueT,Size,Stride,Base>& x) {
      return x.val(); }
  };

  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct ScalarValue< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    typedef typename ValueType< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> >::type value_type;
    typedef typename ScalarType< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> >::type scalar_type;
    KOKKOS_INLINE_FUNCTION
    static const scalar_type& eval(const ELRCacheFad::ViewFad<ValueT,Size,Stride,Base>& x) {
      return ScalarValue<value_type>::eval(x.val()); }
  };

  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct StringName< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    static std::string eval() {
      return std::string("Sacado::ELRCacheFad::ViewFad< ") +
        StringName<ValueT>::eval() + " >"; }
  };

  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct IsEqual< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    KOKKOS_INLINE_FUNCTION
    static bool eval(const ELRCacheFad::ViewFad<ValueT,Size,Stride,Base>& x,
                     const ELRCacheFad::ViewFad<ValueT,Size,Stride,Base>& y) {
      return x.isEqualTo(y);
    }
  };

  template <typename ValueT, unsigned Size, unsigned Stride, typename Base>
  struct IsStaticallySized< ELRCacheFad::ViewFad<ValueT,Size,Stride,Base> > {
    static const bool value = false;
  };

} // namespace Sacado

// ViewFad is not a proper scalar type, so we don't define any of the
// Teuchos traits classes

#endif // SACADO_FAD_DFADTRAITS_HPP