/usr/include/trilinos/Sacado_Fad_ExpressionTraits.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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// $Source$
// @HEADER
// ***********************************************************************
//
// Sacado Package
// Copyright (2006) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact David M. Gay (dmgay@sandia.gov) or Eric T. Phipps
// (etphipp@sandia.gov).
//
// ***********************************************************************
// @HEADER
#ifndef SACADO_FAD_EXPRESSIONTRAITS_HPP
#define SACADO_FAD_EXPRESSIONTRAITS_HPP
#include "Sacado_Traits.hpp"
// Forward declarations
namespace Sacado {
namespace Fad {
template <typename T> class Expr;
}
}
namespace Sacado {
// We don't specialize Promote because otherwise we can get ambiguous
// partial specializations with the Fad classes.
//! Specialization of %ScalarType to Expr types
template <typename T>
struct ScalarType< Fad::Expr<T> > {
typedef typename ScalarType< typename Fad::Expr<T>::value_type >::type type;
};
//! Specialization of %ValueType to Expr types
template <typename T>
struct ValueType< Fad::Expr<T> > {
typedef typename Fad::Expr<T>::value_type type;
};
//! Specialization of %IsADType to Expr types
template <typename T>
struct IsADType< Fad::Expr<T> > {
static const bool value = true;
};
//! Specialization of %IsADType to Expr types
template <typename T>
struct IsScalarType< Fad::Expr<T> > {
static const bool value = false;
};
//! Specialization of %Value to Expr types
template <typename T>
struct Value< Fad::Expr<T> > {
typedef typename ValueType< Fad::Expr<T> >::type value_type;
static const value_type& eval(const Fad::Expr<T>& x) {
return x.val(); }
};
//! Specialization of %ScalarValue to Expr types
template <typename T>
struct ScalarValue< Fad::Expr<T> > {
typedef typename ValueType< Fad::Expr<T> >::type value_type;
typedef typename ScalarType< Fad::Expr<T> >::type scalar_type;
static const scalar_type& eval(const Fad::Expr<T>& x) {
return ScalarValue<value_type>::eval(x.val()); }
};
} // namespace Sacado
#endif // SACADO_FAD_EXPRESSIONTRAITS_HPP
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