CbcSolver2 Class Reference

This is to allow the user to replace initialSolve and resolve. More...

#include <CbcSolver2.hpp>

Inheritance diagram for CbcSolver2:

Collaboration diagram for CbcSolver2:

Public Member Functions
Solve methods
virtual void	initialSolve ()
	Solve initial LP relaxation. More...
virtual void	resolve ()
	Resolve an LP relaxation after problem modification. More...
Constructors and destructors
	CbcSolver2 ()
	Default Constructor. More...
virtual OsiSolverInterface *	clone (bool CopyData=true) const
	Clone. More...
	CbcSolver2 (const CbcSolver2 &)
	Copy constructor. More...
CbcSolver2 &	operator= (const CbcSolver2 &rhs)
	Assignment operator. More...
virtual	~CbcSolver2 ()
	Destructor. More...
Sets and Getss
void	initialize (CbcModel *model, const char *keep)
	Setup arrays - ones in keep will always be in. More...
const int *	when () const
	get which ones have been used More...
int	getMemory () const
	Get memory (i.e. how recent use should be) More...
int	getCount () const
	Get current count. More...
void	setMemory (int value)
	Set memory (i.e. how recent use should be) More...
void	setAlgorithm (int value)
	Say whether to just count usage. More...
int	getAlgorithm () const
	Say whether to just count usage. More...
void	setStrategy (int value)
	Strategy. More...
int	getStrategy () const
	Strategy. More...

Private Attributes
Private member data
int *	node_
	Node number when variable last in problem. More...
int *	howMany_
	How many times in problem. More...
CbcModel *	model_
	Pointer back to model. More...
int	count_
	Counter. More...
int	memory_
	How recently it must have been used. More...
int	algorithm_
	If 0 nothing, 1 compress and fix, 2 long thin. More...
int	strategy_
	If 0 get rid of rows, 1 keep rows (to stay dual feasible) More...

Detailed Description

This is to allow the user to replace initialSolve and resolve.

This version is to try and speed up long thin problems.

This particular version assumes unit elements and rhs Can be E or G rhs

Definition at line 22 of file CbcSolver2.hpp.

Constructor & Destructor Documentation

CbcSolver2() [1/2]

CbcSolver2::CbcSolver2

(

)

Default Constructor.

CbcSolver2() [2/2]

CbcSolver2::CbcSolver2

(

const CbcSolver2 &

)

Copy constructor.

~CbcSolver2()

virtual CbcSolver2::~CbcSolver2 ( )

virtual

Destructor.

Member Function Documentation

initialSolve()

virtual void CbcSolver2::initialSolve ( )

virtual

Solve initial LP relaxation.

resolve()

virtual void CbcSolver2::resolve ( )

virtual

Resolve an LP relaxation after problem modification.

clone()

virtual OsiSolverInterface* CbcSolver2::clone ( bool  CopyData = true ) const

virtual

Clone.

operator=()

CbcSolver2& CbcSolver2::operator=

(

const CbcSolver2 &

rhs

)

Assignment operator.

initialize()

void CbcSolver2::initialize	(	CbcModel *	model,
		const char *	keep
	)

Setup arrays - ones in keep will always be in.

when()

const int* CbcSolver2::when ( ) const

inline

get which ones have been used

Definition at line 60 of file CbcSolver2.hpp.

getMemory()

int CbcSolver2::getMemory ( ) const

inline

Get memory (i.e. how recent use should be)

Definition at line 65 of file CbcSolver2.hpp.

getCount()

int CbcSolver2::getCount ( ) const

inline

Get current count.

Definition at line 70 of file CbcSolver2.hpp.

setMemory()

void CbcSolver2::setMemory ( int  value )

inline

Set memory (i.e. how recent use should be)

Definition at line 75 of file CbcSolver2.hpp.

setAlgorithm()

void CbcSolver2::setAlgorithm ( int  value )

inline

Say whether to just count usage.

Definition at line 80 of file CbcSolver2.hpp.

getAlgorithm()

int CbcSolver2::getAlgorithm ( ) const

inline

Say whether to just count usage.

Definition at line 85 of file CbcSolver2.hpp.

setStrategy()

void CbcSolver2::setStrategy ( int  value )

inline

Strategy.

Definition at line 90 of file CbcSolver2.hpp.

getStrategy()

int CbcSolver2::getStrategy ( ) const

inline

Strategy.

Definition at line 95 of file CbcSolver2.hpp.

Member Data Documentation

node_

int* CbcSolver2::node_

private

Node number when variable last in problem.

Definition at line 107 of file CbcSolver2.hpp.

howMany_

int* CbcSolver2::howMany_

private

How many times in problem.

Definition at line 109 of file CbcSolver2.hpp.

model_

CbcModel* CbcSolver2::model_

private

Pointer back to model.

Definition at line 111 of file CbcSolver2.hpp.

count_

int CbcSolver2::count_

private

Counter.

Definition at line 113 of file CbcSolver2.hpp.

memory_

int CbcSolver2::memory_

private

How recently it must have been used.

Definition at line 115 of file CbcSolver2.hpp.

algorithm_

int CbcSolver2::algorithm_

private

If 0 nothing, 1 compress and fix, 2 long thin.

Definition at line 117 of file CbcSolver2.hpp.

strategy_

int CbcSolver2::strategy_

private

If 0 get rid of rows, 1 keep rows (to stay dual feasible)

Definition at line 119 of file CbcSolver2.hpp.

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The documentation for this class was generated from the following file:

• /home/ted/Projects/Cbc/Cbc/examples/CbcSolver2.hpp