Sacado_Tay_TaylorTraits.hpp

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// $Id$ 
// $Source$ 
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// 
//                           Sacado Package
//                 Copyright (2006) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
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// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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#ifndef SACADO_TAY_TAYLORTRAITS_HPP
#define SACADO_TAY_TAYLORTRAITS_HPP

#include "Sacado_Traits.hpp"

// Forward declarations
namespace Sacado {
  namespace Tay {
    template <typename T> class Taylor;
  }
}

namespace Sacado {

  template <typename T>
  class Promote< Tay::Taylor<T>, Tay::Taylor<T> > {
  public:

    typedef Tay::Taylor<T> type;
  };

  template <typename L, typename R>
  class Promote< Tay::Taylor<L>, R > {
  public:

    typedef typename ValueType< Tay::Taylor<L> >::type value_type_l;
    typedef typename ValueType<R>::type value_type_r;
    typedef typename Promote<value_type_l,value_type_r>::type value_type;

    typedef Tay::Taylor<value_type> type;
  };

  template <typename L, typename R>
  class Promote< L, Tay::Taylor<R> > {
  public:

    typedef typename ValueType<L>::type value_type_l;
    typedef typename ValueType< Tay::Taylor<R> >::type value_type_r;
    typedef typename Promote<value_type_l,value_type_r>::type value_type;

    typedef Tay::Taylor<value_type> type;
  };

  template <typename T>
  struct ScalarType< Tay::Taylor<T> > {
    typedef typename ScalarType<T>::type type;
  };

  template <typename T>
  struct ValueType< Tay::Taylor<T> > {
    typedef T type;
  };

  template <typename T>
  struct IsADType< Tay::Taylor<T> > {
    static const bool value = true;
  };

  template <typename T>
  struct IsScalarType< Tay::Taylor<T> > {
    static const bool value = false;
  };

  template <typename T>
  struct Value< Tay::Taylor<T> > {
    typedef typename ValueType< Tay::Taylor<T> >::type value_type;
    static const value_type& eval(const Tay::Taylor<T>& x) { 
      return x.val(); }
  };

  template <typename T>
  struct ScalarValue< Tay::Taylor<T> > {
    typedef typename ValueType< Tay::Taylor<T> >::type value_type;
    typedef typename ScalarType< Tay::Taylor<T> >::type scalar_type;
    static const scalar_type& eval(const Tay::Taylor<T>& x) { 
      return ScalarValue<value_type>::eval(x.val()); }
  };

  template <typename T>
  struct StringName< Tay::Taylor<T> > {
    static std::string eval() { 
      return std::string("Sacado::Tay::Taylor< ") + 
  StringName<T>::eval() + " >"; }
  };

  template <typename T>
  struct IsEqual< Tay::Taylor<T> > {
    static bool eval(const Tay::Taylor<T>& x, const Tay::Taylor<T>& y) {
      return x.isEqualTo(y);
    }
  };

  template <typename T>
  struct IsStaticallySized< Tay::Taylor<T> > {
    static const bool value = false;
  };

} // namespace Sacado

// Define Teuchos traits classes
#ifdef HAVE_SACADO_TEUCHOS
#include "Teuchos_PromotionTraits.hpp"
#include "Teuchos_ScalarTraits.hpp"
#include "Sacado_Tay_ScalarTraitsImp.hpp"
#include "Teuchos_SerializationTraits.hpp"

namespace Teuchos {

  template <typename ValueT>
  struct PromotionTraits< Sacado::Tay::Taylor<ValueT>, 
        Sacado::Tay::Taylor<ValueT> > {
    typedef typename Sacado::Promote< Sacado::Tay::Taylor<ValueT>,
              Sacado::Tay::Taylor<ValueT> >::type
    promote;
  };

  template <typename ValueT, typename R>
  struct PromotionTraits< Sacado::Tay::Taylor<ValueT>, R > {
    typedef typename Sacado::Promote< Sacado::Tay::Taylor<ValueT>, R >::type 
    promote;
  };

  template <typename L, typename ValueT>
  struct PromotionTraits< L, Sacado::Tay::Taylor<ValueT> > {
  public:
    typedef typename Sacado::Promote< L, Sacado::Tay::Taylor<ValueT> >::type 
    promote;
  };

  template <typename ValueT>
  struct ScalarTraits< Sacado::Tay::Taylor<ValueT> > :
    public Sacado::Tay::ScalarTraitsImp< Sacado::Tay::Taylor<ValueT> >
  {};

  template <typename Ordinal, typename ValueT>
  struct SerializationTraits<Ordinal, Sacado::Tay::Taylor<ValueT> > :
    public Sacado::Tay::SerializationTraitsImp< Ordinal, 
            Sacado::Tay::Taylor<ValueT> > 
  {};

  template <typename Ordinal, typename ValueT>
  struct ValueTypeSerializer<Ordinal, Sacado::Tay::Taylor<ValueT> > :
    public Sacado::Tay::SerializerImp< Ordinal, 
               Sacado::Tay::Taylor<ValueT>,
               ValueTypeSerializer<Ordinal,ValueT> > 
  {
    typedef Sacado::Tay::Taylor<ValueT> TayType;
    typedef ValueTypeSerializer<Ordinal,ValueT> ValueSerializer;
    typedef Sacado::Tay::SerializerImp< Ordinal,TayType,ValueSerializer> Base;
    ValueTypeSerializer(const Teuchos::RCP<const ValueSerializer>& vs,
      Ordinal sz = 0) :
      Base(vs, sz) {}
  };
}
#endif // HAVE_SACADO_TEUCHOS

#endif // SACADO_TAYLOR_SIMPLETAYLORTRAITS_HPP