/usr/include/trilinos/GlobiPack_Types.hpp is in libtrilinos-globipack-dev 12.10.1-3.
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//
// GlobiPack: Collection of Scalar 1D globalizaton utilities
// Copyright (2009) Sandia Corporation
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// 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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// 1. Redistributions of source code must retain the above copyright
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// documentation and/or other materials provided with the distribution.
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// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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*/
#ifndef GLOBIPACK_TYPES_HPP
#define GLOBIPACK_TYPES_HPP
#include "GlobiPack_ConfigDefs.hpp"
#include "Teuchos_RCP.hpp"
#include "Teuchos_Ptr.hpp"
#include "Teuchos_Array.hpp"
#include "Teuchos_ArrayView.hpp"
#include "Teuchos_ScalarTraits.hpp"
namespace Teuchos {
/** \brief . */
class ParameterList;
} // namespace Teuchos
namespace GlobiPack {
/** \brief . */
using Teuchos::RCP;
/** \brief . */
using Teuchos::Ptr;
/** \brief . */
using Teuchos::Array;
/** \brief . */
using Teuchos::ArrayView;
/** \brief . */
using Teuchos::ScalarTraits;
/** \brief . */
using Teuchos::ParameterList;
/** \brief Represents the evaluation point of the merit function
* <tt>phi(alpha)</tt> and/or is derivative <tt>Dphi(alpha)</tt>.
*
* If a value has not been set it will be equal to <tt>valNotGiven()</tt>.
*/
template<class Scalar>
struct PointEval1D {
/** \brief . */
static Scalar valNotGiven() { return std::numeric_limits<Scalar>::max(); }
/** \brief . */
PointEval1D()
: alpha(valNotGiven()), phi(valNotGiven()), Dphi(valNotGiven())
{}
/** \brief . */
PointEval1D( const Scalar &alpha_in, const Scalar &phi_in,
const Scalar &Dphi_in = valNotGiven())
: alpha(alpha_in), phi(phi_in), Dphi(Dphi_in)
{}
/** \brief The value of the unknown <tt>alpha</tt>. */
Scalar alpha;
/** \brief The value of the merit function <tt>phi(alpha)</tt>. */
Scalar phi;
/** \brief The value of the derivative of the merit function
* <tt>Dphi(alpha)</tt>. */
Scalar Dphi;
};
namespace Exceptions {
/** \brief Thrown if search direction not a descent direction for the merit
* function.
*/
class NotDescentDirection : public std::logic_error
{public: NotDescentDirection(const std::string& what_arg) : std::logic_error(what_arg) {}};
} // namespace Exceptions
} // namespace GlobiPack
#endif // GLOBIPACK_TYPES_HPP
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