GlobiPack  Version of the Day
GlobiPack_Types.hpp
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43 
44 #ifndef GLOBIPACK_TYPES_HPP
45 #define GLOBIPACK_TYPES_HPP
46 
47 
48 #include "GlobiPack_ConfigDefs.hpp"
49 #include "Teuchos_RCP.hpp"
50 #include "Teuchos_Ptr.hpp"
51 #include "Teuchos_Array.hpp"
52 #include "Teuchos_ArrayView.hpp"
53 #include "Teuchos_ScalarTraits.hpp"
54 
55 
56 namespace Teuchos {
57 
59 class ParameterList;
60 
61 } // namespace Teuchos
62 
63 
64 namespace GlobiPack {
65 
66 
68 using Teuchos::RCP;
70 using Teuchos::Ptr;
72 using Teuchos::Array;
74 using Teuchos::ArrayView;
76 using Teuchos::ScalarTraits;
78 using Teuchos::ParameterList;
79 
80 
86 template<class Scalar>
87 struct PointEval1D {
89  static Scalar valNotGiven() { return std::numeric_limits<Scalar>::max(); }
93  {}
95  PointEval1D( const Scalar &alpha_in, const Scalar &phi_in,
96  const Scalar &Dphi_in = valNotGiven())
97  : alpha(alpha_in), phi(phi_in), Dphi(Dphi_in)
98  {}
100  Scalar alpha;
102  Scalar phi;
105  Scalar Dphi;
106 };
107 
108 
109 namespace Exceptions {
110 
111 
115 class NotDescentDirection : public std::logic_error
116 {public: NotDescentDirection(const std::string& what_arg) : std::logic_error(what_arg) {}};
117 
118 
119 } // namespace Exceptions
120 
121 
122 } // namespace GlobiPack
123 
124 
125 #endif // GLOBIPACK_TYPES_HPP
Thrown if search direction not a descent direction for the merit function.
Represents the evaluation point of the merit function phi(alpha) and/or is derivative Dphi(alpha).
Scalar alpha
The value of the unknown alpha.
Scalar Dphi
The value of the derivative of the merit function Dphi(alpha).
static Scalar valNotGiven()
Scalar phi
The value of the merit function phi(alpha).
PointEval1D(const Scalar &alpha_in, const Scalar &phi_in, const Scalar &Dphi_in=valNotGiven())