1/* $Id: ClpCholeskyWssmp.hpp 1665 2011-01-04 17:55:54Z lou $ */
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 ClpCholeskyWssmp_H
7#define ClpCholeskyWssmp_H
8
9#include "ClpCholeskyBase.hpp"
10class ClpMatrixBase;
11class ClpCholeskyDense;
12
13
14/** Wssmp class for Clp Cholesky factorization
15
16*/
17class ClpCholeskyWssmp : public ClpCholeskyBase {
18
19public:
20 /**@name Virtual methods that the derived classes provides */
21 //@{
22 /** Orders rows and saves pointer to matrix.and model.
23 Returns non-zero if not enough memory */
24 virtual int order(ClpInterior * model) override ;
25 /** Does Symbolic factorization given permutation.
26 This is called immediately after order. If user provides this then
27 user must provide factorize and solve. Otherwise the default factorization is used
28 returns non-zero if not enough memory */
29 virtual int symbolic() override;
30 /** Factorize - filling in rowsDropped and returning number dropped.
31 If return code negative then out of memory */
32 virtual int factorize(const double * diagonal, int * rowsDropped) override ;
33 /** Uses factorization to solve. */
34 virtual void solve (double * region) override ;
35 //@}
36
37
38 /**@name Constructors, destructor */
39 //@{
40 /** Constructor which has dense columns activated.
41 Default is off. */
42 ClpCholeskyWssmp(int denseThreshold = -1);
43 /** Destructor */
44 virtual ~ClpCholeskyWssmp();
45 // Copy
46 ClpCholeskyWssmp(const ClpCholeskyWssmp&);
47 // Assignment
48 ClpCholeskyWssmp& operator=(const ClpCholeskyWssmp&);
49 /// Clone
50 virtual ClpCholeskyBase * clone() const override ;
51 //@}
52
53
54private:
55 /**@name Data members */
56 //@{
57 //@}
58};
59
60#endif
61