ClpNode Class Reference

#include <ClpNode.hpp>

Collaboration diagram for ClpNode:

[legend]List of all members.

Public Member Functions
Useful methods
void	applyNode (ClpSimplex *model, bool justBounds)
	Applies node to model.
int	fixOnReducedCosts (ClpSimplex *model)
	Fix on reduced costs.
Gets and sets
double	branchingValue () const
	Initial value of integer variable.
int	way () const
	Way for integer variable -1 down , +1 up.
bool	fathomed () const
	Return true if branch exhausted.
void	changeState ()
	Change state of variable i.e. go other way.
int	sequence () const
	Sequence number of integer variable (-1 if none).
Constructors, destructor
	ClpNode ()
	Default constructor.
	ClpNode (const ClpSimplex *model, const ClpNodeStuff *stuff)
	Constructor from model.
void	gutsOfConstructor (const ClpSimplex *model, const ClpNodeStuff *stuff)
	Does work of constructor (partly so gdb will work).
virtual	~ClpNode ()
	Destructor.
Copy methods (at present illegal - will abort)
	ClpNode (const ClpNode &)
	The copy constructor.
ClpNode &	operator= (const ClpNode &)
	Operator =.
Protected Attributes
Data
double	branchingValue_
	Initial value of integer variable.
ClpFactorization *	factorization_
	Factorization.
ClpDualRowSteepest *	weights_
	Steepest edge weights.
unsigned char *	status_
	Status vector.
double *	primalSolution_
	Primal solution.
double *	dualSolution_
	Dual solution.
int *	pivotVariables_
	Pivot variables for factorization.
int *	fixed_
	Variables fixed by reduced costs (at end of branch) 0x10000000 added if fixed to UB.
branchState	branchState_
	State of branch.
int	sequence_
	Sequence number of integer variable (-1 if none).
int	numberFixed_
	Number fixed by reduced cost.
Classes
struct	branchState

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Detailed Description

Definition at line 16 of file ClpNode.hpp.

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Constructor & Destructor Documentation

ClpNode::ClpNode

(

)

Default constructor.

ClpNode::ClpNode	(	const ClpSimplex *	model,
		const ClpNodeStuff *	stuff
	)

Constructor from model.

virtual ClpNode::~ClpNode

(

)

[virtual]

Destructor.

ClpNode::ClpNode

(

const ClpNode &

)

The copy constructor.

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Member Function Documentation

void ClpNode::applyNode	(	ClpSimplex *	model,
		bool	justBounds
	)

Applies node to model.

int ClpNode::fixOnReducedCosts

(

ClpSimplex *

model

)

Fix on reduced costs.

double ClpNode::branchingValue

(

)

const [inline]

Initial value of integer variable.

Definition at line 30 of file ClpNode.hpp.

References branchingValue_.

int ClpNode::way

(

)

const

Way for integer variable -1 down , +1 up.

bool ClpNode::fathomed

(

)

const

Return true if branch exhausted.

void ClpNode::changeState

(

)

Change state of variable i.e. go other way.

int ClpNode::sequence

(

)

const [inline]

Sequence number of integer variable (-1 if none).

Definition at line 39 of file ClpNode.hpp.

References sequence_.

void ClpNode::gutsOfConstructor	(	const ClpSimplex *	model,
		const ClpNodeStuff *	stuff
	)

Does work of constructor (partly so gdb will work).

ClpNode& ClpNode::operator=

(

const ClpNode &

)

Operator =.

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Member Data Documentation

double ClpNode::branchingValue_ [protected]

Initial value of integer variable.

Definition at line 73 of file ClpNode.hpp.

Referenced by branchingValue().

ClpFactorization* ClpNode::factorization_ [protected]

Factorization.

Definition at line 75 of file ClpNode.hpp.

ClpDualRowSteepest* ClpNode::weights_ [protected]

Steepest edge weights.

Definition at line 77 of file ClpNode.hpp.

unsigned char* ClpNode::status_ [protected]

Status vector.

Definition at line 79 of file ClpNode.hpp.

double* ClpNode::primalSolution_ [protected]

Primal solution.

Definition at line 81 of file ClpNode.hpp.

double* ClpNode::dualSolution_ [protected]

Dual solution.

Definition at line 83 of file ClpNode.hpp.

int* ClpNode::pivotVariables_ [protected]

Pivot variables for factorization.

Definition at line 85 of file ClpNode.hpp.

int* ClpNode::fixed_ [protected]

Variables fixed by reduced costs (at end of branch) 0x10000000 added if fixed to UB.

Definition at line 87 of file ClpNode.hpp.

branchState ClpNode::branchState_ [protected]

State of branch.

Definition at line 89 of file ClpNode.hpp.

int ClpNode::sequence_ [protected]

Sequence number of integer variable (-1 if none).

Definition at line 91 of file ClpNode.hpp.

Referenced by sequence().

int ClpNode::numberFixed_ [protected]

Number fixed by reduced cost.

Definition at line 93 of file ClpNode.hpp.

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

• /home/coin/SVN-release/CoinAll-1.1.0/Clp/src/ClpNode.hpp

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