Sacado_CacheFad_SLFadTraits.hpp

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00002 // $Source$ 
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00013 // it under the terms of the GNU Lesser General Public License as
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00031 
00032 #ifndef SACADO_CACHEFAD_SLFADTRAITS_HPP
00033 #define SACADO_CACHEFAD_SLFADTRAITS_HPP
00034 
00035 #include "Sacado_Traits.hpp"
00036 #include <sstream>
00037 
00038 // Forward declarations
00039 namespace Sacado {
00040   namespace CacheFad {
00041     template <typename T, int Num> class SLFad;
00042   }
00043 }
00044 
00045 namespace Sacado {
00046 
00048   template <typename ValueT, int Num>
00049   struct Promote< CacheFad::SLFad<ValueT,Num>, 
00050       CacheFad::SLFad<ValueT,Num> > {
00051     typedef CacheFad::SLFad<ValueT,Num> type;
00052   };
00053 
00055   template <typename ValueT, int Num, typename R>
00056   struct Promote< CacheFad::SLFad<ValueT,Num>, R > {
00057     typedef typename ValueType< CacheFad::SLFad<ValueT,Num> >::type value_type_l;
00058     typedef typename ValueType<R>::type value_type_r;
00059     typedef typename Promote<value_type_l,value_type_r>::type value_type;
00060 
00061     typedef CacheFad::SLFad<value_type,Num> type;
00062   };
00063 
00065   template <typename L, typename ValueT, int Num>
00066   struct Promote< L, CacheFad::SLFad<ValueT, Num> > {
00067   public:
00068 
00069     typedef typename ValueType<L>::type value_type_l;
00070     typedef typename ValueType< CacheFad::SLFad<ValueT,Num> >::type value_type_r;
00071     typedef typename Promote<value_type_l,value_type_r>::type value_type;
00072 
00073     typedef CacheFad::SLFad<value_type,Num> type;
00074   };
00075 
00077   template <typename ValueT, int Num>
00078   struct ScalarType< CacheFad::SLFad<ValueT,Num> > {
00079     typedef typename CacheFad::SLFad<ValueT,Num>::ScalarT type;
00080   };
00081 
00083   template <typename ValueT, int Num>
00084   struct ValueType< CacheFad::SLFad<ValueT,Num> > {
00085     typedef ValueT type;
00086   };
00087 
00089   template <typename ValueT, int Num>
00090   struct IsADType< CacheFad::SLFad<ValueT,Num> > {
00091     static const bool value = true;
00092   };
00093 
00095   template <typename ValueT, int Num>
00096   struct IsScalarType< CacheFad::SLFad<ValueT,Num> > {
00097     static const bool value = false;
00098   };
00099 
00101   template <typename ValueT, int Num>
00102   struct Value< CacheFad::SLFad<ValueT,Num> > {
00103     typedef typename ValueType< CacheFad::SLFad<ValueT,Num> >::type value_type;
00104     static const value_type& eval(const CacheFad::SLFad<ValueT,Num>& x) { 
00105       return x.val(); }
00106   };
00107 
00109   template <typename ValueT, int Num>
00110   struct ScalarValue< CacheFad::SLFad<ValueT,Num> > {
00111     typedef typename ValueType< CacheFad::SLFad<ValueT,Num> >::type value_type;
00112     typedef typename ScalarType< CacheFad::SLFad<ValueT,Num> >::type scalar_type;
00113     static const scalar_type& eval(const CacheFad::SLFad<ValueT,Num>& x) { 
00114       return ScalarValue<value_type>::eval(x.val()); }
00115   };
00116 
00118   template <typename ValueT, int Num>
00119   struct StringName< CacheFad::SLFad<ValueT,Num> > {
00120     static std::string eval() { 
00121       std::stringstream ss;
00122       ss << "Sacado::CacheFad::SLFad< " 
00123    << StringName<ValueT>::eval() << ", " << Num << " >";
00124       return ss.str(); 
00125     }
00126   };
00127 
00128 } // namespace Sacado
00129 
00130 // Define Teuchos traits classes
00131 #ifdef HAVE_SACADO_TEUCHOS
00132 #include "Teuchos_PromotionTraits.hpp"
00133 #include "Teuchos_ScalarTraits.hpp"
00134 #include "Sacado_Fad_ScalarTraitsImp.hpp"
00135 
00136 namespace Teuchos {
00137 
00139   template <typename ValueT, int Num>
00140   struct PromotionTraits< Sacado::CacheFad::SLFad<ValueT,Num>, 
00141         Sacado::CacheFad::SLFad<ValueT,Num> > {
00142     typedef typename Sacado::Promote< Sacado::CacheFad::SLFad<ValueT,Num>,
00143               Sacado::CacheFad::SLFad<ValueT,Num> >::type
00144     promote;
00145   };
00146 
00148   template <typename ValueT, int Num, typename R>
00149   struct PromotionTraits< Sacado::CacheFad::SLFad<ValueT,Num>, R > {
00150     typedef typename Sacado::Promote< Sacado::CacheFad::SLFad<ValueT,Num>, R >::type 
00151     promote;
00152   };
00153 
00155   template <typename L, typename ValueT, int Num>
00156   struct PromotionTraits< L, Sacado::CacheFad::SLFad<ValueT,Num> > {
00157   public:
00158     typedef typename Sacado::Promote< L, Sacado::CacheFad::SLFad<ValueT,Num> >::type 
00159     promote;
00160   };
00161 
00163   template <typename ValueT, int Num>
00164   struct ScalarTraits< Sacado::CacheFad::SLFad<ValueT,Num> > :
00165     public Sacado::Fad::ScalarTraitsImp< Sacado::CacheFad::SLFad<ValueT,Num> >
00166   {};
00167 }
00168 #endif // HAVE_SACADO_TEUCHOS
00169 
00170 #endif // SACADO_CACHEFAD_SLFADTRAITS_HPP
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