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ClpLsqr.hpp
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1 /* $Id: ClpLsqr.hpp 2385 2019-01-06 19:43:06Z unxusr $ */
2 // Copyright (C) 2003, International Business Machines
3 // Corporation and others. All Rights Reserved.
4 // This code is licensed under the terms of the Eclipse Public License (EPL).
5
6 #ifndef ClpLsqr_H_
7 #define ClpLsqr_H_
8
9 #include "CoinDenseVector.hpp"
10
11 #include "ClpInterior.hpp"
12
75 class ClpLsqr {
76 private:
79
80
81 public:
84 int nrows_;
87 int ncols_;
89 ClpInterior *model_;
91 double *diag1_;
93 double diag2_;
95
98 ClpLsqr();
99
101 ClpLsqr(ClpInterior *model);
103 ClpLsqr(const ClpLsqr &);
105 ClpLsqr &operator=(const ClpLsqr &rhs);
107 ~ClpLsqr();
109
112 bool setParam(char *parmName, int parmValue);
115 void do_lsqr(CoinDenseVector< double > &b,
116 double damp, double atol, double btol, double conlim, int itnlim,
117 bool show, Info info, CoinDenseVector< double > &x, int *istop,
118 int *itn, Outfo *outfo, bool precon, CoinDenseVector< double > &Pr);
120 void matVecMult(int, CoinDenseVector< double > *, CoinDenseVector< double > *);
121
122 void matVecMult(int, CoinDenseVector< double > &, CoinDenseVector< double > &);
124 void borrowDiag1(double *array)
125 {
126 diag1_ = array;
127 };
129 };
130 #endif
131
132 /* vi: softtabstop=2 shiftwidth=2 expandtab tabstop=2
133 */
ClpLsqr::do_lsqr
void do_lsqr(CoinDenseVector< double > &b, double damp, double atol, double btol, double conlim, int itnlim, bool show, Info info, CoinDenseVector< double > &x, int *istop, int *itn, Outfo *outfo, bool precon, CoinDenseVector< double > &Pr)
Call the Lsqr algorithm.
ClpLsqr::operator=
ClpLsqr & operator=(const ClpLsqr &rhs)
Assignment operator. This copies the data.
ClpInterior
This solves LPs using interior point methods.
Definition: ClpInterior.hpp:72
CoinDenseVector.hpp
ClpLsqr
This class implements LSQR.
Definition: ClpLsqr.hpp:75
Outfo
******** DATA to be moved into protected section of ClpInterior
Definition: ClpInterior.hpp:35
ClpInterior.hpp
ClpLsqr::diag1_
double * diag1_
Diagonal array 1.
Definition: ClpLsqr.hpp:91
ClpLsqr::ClpLsqr
ClpLsqr()
Default constructor.
Info
******** DATA to be moved into protected section of ClpInterior
Definition: ClpInterior.hpp:27
ClpLsqr::setParam
bool setParam(char *parmName, int parmValue)
Set an int parameter.
ClpLsqr::matVecMult
void matVecMult(int, CoinDenseVector< double > *, CoinDenseVector< double > *)
Matrix-vector multiply - implemented by user.
ClpLsqr::borrowDiag1
void borrowDiag1(double *array)
diag1 - we just borrow as it is part of a CoinDenseVector&lt;double&gt;
Definition: ClpLsqr.hpp:124
CoinDenseVector
Dense Vector.
Definition: CoinDenseVector.hpp:68
ClpLsqr::ncols_
int ncols_
Column dimension of matrix.
Definition: ClpLsqr.hpp:87
ClpLsqr::nrows_
int nrows_
Row dimension of matrix.
Definition: ClpLsqr.hpp:85
ClpLsqr::diag2_
double diag2_
Constant diagonal 2.
Definition: ClpLsqr.hpp:93
ClpLsqr::~ClpLsqr
~ClpLsqr()
Destructor.
ClpLsqr::model_
ClpInterior * model_
Pointer to Model object for this instance.
Definition: ClpLsqr.hpp:89