Ipopt 3.11.9
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IpZeroMatrix.hpp
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1// Copyright (C) 2004, 2008 International Business Machines and others.
2// All Rights Reserved.
3// This code is published under the Eclipse Public License.
4//
5// $Id: IpZeroMatrix.hpp 1861 2010-12-21 21:34:47Z andreasw $
6//
7// Authors: Carl Laird, Andreas Waechter IBM 2004-08-13
8
9#ifndef __IPZEROMATRIX_HPP__
10#define __IPZEROMATRIX_HPP__
11
12#include "IpUtils.hpp"
13#include "IpMatrix.hpp"
14
15namespace Ipopt
16{
17
20 class ZeroMatrix : public Matrix
21 {
22 public:
23
26
29 ZeroMatrix(const MatrixSpace* owner_space);
30
34
35 protected:
38 virtual void MultVectorImpl(Number alpha, const Vector& x,
39 Number beta, Vector& y) const;
40
41 virtual void TransMultVectorImpl(Number alpha, const Vector& x,
42 Number beta, Vector& y) const;
43
44 virtual void ComputeRowAMaxImpl(Vector& rows_norms, bool init) const
45 {}
46
47 virtual void ComputeColAMaxImpl(Vector& cols_norms, bool init) const
48 {}
49
50 virtual void PrintImpl(const Journalist& jnlst,
51 EJournalLevel level,
52 EJournalCategory category,
53 const std::string& name,
54 Index indent,
55 const std::string& prefix) const;
57
58 private:
69
72
74 void operator=(const ZeroMatrix&);
76 };
77
80 {
81 public:
87 :
88 MatrixSpace(nrows, ncols)
89 {}
90
93 {}
95
98 virtual Matrix* MakeNew() const
99 {
100 return MakeNewZeroMatrix();
101 }
102
105 {
106 return new ZeroMatrix(this);
107 }
108 private:
119
122
126 };
127} // namespace Ipopt
128#endif
Number * x
Input: Starting point Output: Optimal solution.
Class responsible for all message output.
MatrixSpace base class, corresponding to the Matrix base class.
Definition IpMatrix.hpp:240
Matrix Base Class.
Definition IpMatrix.hpp:28
Vector Base Class.
Definition IpVector.hpp:48
Class for matrix space for ZeroMatrix.
virtual Matrix * MakeNew() const
Overloaded MakeNew method for the MatrixSpace base class.
void operator=(const ZeroMatrixSpace &)
Overloaded Equals Operator.
ZeroMatrixSpace(const ZeroMatrixSpace &)
Copy Constructor.
ZeroMatrixSpace(Index nrows, Index ncols)
Constructor, given the number of row and columns.
ZeroMatrixSpace()
Default Constructor.
ZeroMatrix * MakeNewZeroMatrix() const
Method for creating a new matrix of this specific type.
virtual ~ZeroMatrixSpace()
Destructor.
Class for Matrices with only zero entries.
virtual void TransMultVectorImpl(Number alpha, const Vector &x, Number beta, Vector &y) const
Matrix(transpose) vector multiply.
virtual void PrintImpl(const Journalist &jnlst, EJournalLevel level, EJournalCategory category, const std::string &name, Index indent, const std::string &prefix) const
Print detailed information about the matrix.
ZeroMatrix()
Default Constructor.
~ZeroMatrix()
Destructor.
void operator=(const ZeroMatrix &)
Overloaded Equals Operator.
virtual void MultVectorImpl(Number alpha, const Vector &x, Number beta, Vector &y) const
Matrix-vector multiply.
ZeroMatrix(const ZeroMatrix &)
Copy Constructor.
ZeroMatrix(const MatrixSpace *owner_space)
Constructor, taking the corresponding matrix space.
virtual void ComputeColAMaxImpl(Vector &cols_norms, bool init) const
Compute the max-norm of the columns in the matrix.
virtual void ComputeRowAMaxImpl(Vector &rows_norms, bool init) const
Compute the max-norm of the rows in the matrix.
EJournalCategory
Category Selection Enum.
int Index
Type of all indices of vectors, matrices etc.
Definition IpTypes.hpp:19
EJournalLevel
Print Level Enum.
double Number
Type of all numbers.
Definition IpTypes.hpp:17