1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// Copyright (C) 2004, 2008 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// $Id: IpDiagMatrix.hpp 2269 2013-05-05 11:32:40Z stefan $
//
// Authors: Carl Laird, Andreas Waechter IBM 2004-08-13
#ifndef __IPDIAGMATRIX_HPP__
#define __IPDIAGMATRIX_HPP__
#include "IpUtils.hpp"
#include "IpSymMatrix.hpp"
namespace Ipopt
{
/** Class for diagonal matrices. The diagonal is stored as a
* Vector. */
class DiagMatrix : public SymMatrix
{
public:
/**@name Constructors / Destructors */
//@{
/** Constructor, given the corresponding matrix space. */
DiagMatrix(const SymMatrixSpace* owner_space);
/** Destructor */
~DiagMatrix();
//@}
/** Method for setting the diagonal elements (as a Vector). */
void SetDiag(const Vector& diag)
{
diag_ = &diag;
}
/** Method for setting the diagonal elements. */
SmartPtr<const Vector> GetDiag() const
{
return diag_;
}
protected:
/**@name Methods overloaded from matrix */
//@{
virtual void MultVectorImpl(Number alpha, const Vector& x,
Number beta, Vector& y) const;
/** Method for determining if all stored numbers are valid (i.e.,
* no Inf or Nan). */
virtual bool HasValidNumbersImpl() const;
virtual void ComputeRowAMaxImpl(Vector& rows_norms, bool init) const;
virtual void PrintImpl(const Journalist& jnlst,
EJournalLevel level,
EJournalCategory category,
const std::string& name,
Index indent,
const std::string& prefix) const;
//@}
private:
/**@name Default Compiler Generated Methods
* (Hidden to avoid implicit creation/calling).
* These methods are not implemented and
* we do not want the compiler to implement
* them for us, so we declare them private
* and do not define them. This ensures that
* they will not be implicitly created/called. */
//@{
/** Default Constructor */
DiagMatrix();
/** Copy Constructor */
DiagMatrix(const DiagMatrix&);
/** Overloaded Equals Operator */
void operator=(const DiagMatrix&);
//@}
/** Vector storing the diagonal elements */
SmartPtr<const Vector> diag_;
};
/** This is the matrix space for DiagMatrix. */
class DiagMatrixSpace : public SymMatrixSpace
{
public:
/** @name Constructors / Destructors */
//@{
/** Constructor, given the dimension of the matrix. */
DiagMatrixSpace(Index dim)
:
SymMatrixSpace(dim)
{}
/** Destructor */
virtual ~DiagMatrixSpace()
{}
//@}
/** Overloaded MakeNew method for the SymMatrixSpace base class.
*/
virtual SymMatrix* MakeNewSymMatrix() const
{
return MakeNewDiagMatrix();
}
/** Method for creating a new matrix of this specific type. */
DiagMatrix* MakeNewDiagMatrix() const
{
return new DiagMatrix(this);
}
private:
/**@name Default Compiler Generated Methods
* (Hidden to avoid implicit creation/calling).
* These methods are not implemented and
* we do not want the compiler to implement
* them for us, so we declare them private
* and do not define them. This ensures that
* they will not be implicitly created/called. */
//@{
/** Default Constructor */
DiagMatrixSpace();
/** Copy Constructor */
DiagMatrixSpace(const DiagMatrixSpace&);
/** Overloaded Equals Operator */
void operator=(const DiagMatrixSpace&);
//@}
};
} // namespace Ipopt
#endif
|
