Clp 1.17.5
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ClpCholeskyUfl.hpp
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1/* $Id: ClpCholeskyUfl.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 ClpCholeskyUfl_H
7#define ClpCholeskyUfl_H
8
9#include "ClpCholeskyBase.hpp"
10
11class ClpMatrixBase;
13
14typedef struct cholmod_factor_struct cholmod_factor;
15typedef struct cholmod_common_struct cholmod_common;
16
33
34public:
39 virtual int order(ClpInterior *model);
44 virtual int symbolic();
47 virtual int factorize(const double *diagonal, int *rowsDropped);
49 virtual void solve(double *region);
51
56 ClpCholeskyUfl(int denseThreshold = -1);
58 virtual ~ClpCholeskyUfl();
60 virtual ClpCholeskyBase *clone() const;
62
63private:
66
67 // Copy
69 // Assignment
71};
72
73#endif
74
75/* vi: softtabstop=2 shiftwidth=2 expandtab tabstop=2
76*/
struct cholmod_factor_struct cholmod_factor
struct cholmod_common_struct cholmod_common
Base class for Clp Cholesky factorization Will do better factorization.
longDouble * diagonal() const
Return diagonal.
char * rowsDropped() const
rowsDropped - which rows are gone
Ufl class for Clp Cholesky factorization.
cholmod_common * c_
virtual ~ClpCholeskyUfl()
Destructor
virtual int order(ClpInterior *model)
Orders rows and saves pointer to matrix.and model.
virtual ClpCholeskyBase * clone() const
Clone.
ClpCholeskyUfl(int denseThreshold=-1)
Constructor which has dense columns activated.
cholmod_factor * L_
virtual void solve(double *region)
Uses factorization to solve.
virtual int symbolic()
Does Symbolic factorization given permutation using CHOLMOD (if available).
virtual int factorize(const double *diagonal, int *rowsDropped)
Factorize - filling in rowsDropped and returning number dropped using CHOLMOD (if available).
ClpCholeskyUfl(const ClpCholeskyUfl &)
ClpCholeskyUfl & operator=(const ClpCholeskyUfl &)
This solves LPs using interior point methods.
Abstract base class for Clp Matrices.