Clp 1.16.9
Loading...
Searching...
No Matches
ClpCholeskyUfl.hpp
Go to the documentation of this file.
1/* $Id: ClpCholeskyUfl.hpp 1691 2011-03-05 17:06:15Z stefan $ */
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
52
57 ClpCholeskyUfl(int denseThreshold = -1);
59 virtual ~ClpCholeskyUfl();
61 virtual ClpCholeskyBase * clone() const ;
63
64
65private:
66 cholmod_factor * L_ ;
67 cholmod_common * c_ ;
68
69 // Copy
71 // Assignment
72 ClpCholeskyUfl& operator=(const ClpCholeskyUfl&);
73};
74
75#endif
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.
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.
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).
This solves LPs using interior point methods.
Definition: ClpInterior.hpp:72
Abstract base class for Clp Matrices.