Clp 1.17.5
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ClpCholeskyWssmpKKT.hpp
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1/* $Id: ClpCholeskyWssmpKKT.hpp 2385 2019-01-06 19:43:06Z unxusr $ */
2// Copyright (C) 2004, 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 ClpCholeskyWssmpKKT_H
7#define ClpCholeskyWssmpKKT_H
8
9#include "ClpCholeskyBase.hpp"
10class ClpMatrixBase;
12
17
18public:
23 virtual int order(ClpInterior *model);
28 virtual int symbolic();
31 virtual int factorize(const double *diagonal, int *rowsDropped);
33 virtual void solve(double *region);
36 virtual void solveKKT(double *region1, double *region2, const double *diagonal,
37 double diagonalScaleFactor);
39
44 ClpCholeskyWssmpKKT(int denseThreshold = -1);
47 // Copy
49 // Assignment
52 virtual ClpCholeskyBase *clone() const;
54
55private:
59};
60
61#endif
62
63/* vi: softtabstop=2 shiftwidth=2 expandtab tabstop=2
64*/
Base class for Clp Cholesky factorization Will do better factorization.
longDouble * diagonal() const
Return diagonal.
char * rowsDropped() const
rowsDropped - which rows are gone
WssmpKKT class for Clp Cholesky factorization.
ClpCholeskyWssmpKKT(int denseThreshold=-1)
Constructor which has dense columns activated.
ClpCholeskyWssmpKKT & operator=(const ClpCholeskyWssmpKKT &)
virtual ~ClpCholeskyWssmpKKT()
Destructor
virtual int factorize(const double *diagonal, int *rowsDropped)
Factorize - filling in rowsDropped and returning number dropped.
virtual void solve(double *region)
Uses factorization to solve.
ClpCholeskyWssmpKKT(const ClpCholeskyWssmpKKT &)
virtual void solveKKT(double *region1, double *region2, const double *diagonal, double diagonalScaleFactor)
Uses factorization to solve.
virtual int symbolic()
Does Symbolic factorization given permutation.
virtual ClpCholeskyBase * clone() const
Clone.
virtual int order(ClpInterior *model)
Orders rows and saves pointer to matrix.and model.
This solves LPs using interior point methods.
Abstract base class for Clp Matrices.