#include <ClpNode.hpp>

Collaboration diagram for ClpNode:

Classes
struct	branchState

Public Member Functions
Useful methods
void	applyNode (ClpSimplex *model, int doBoundsEtc)
	Applies node to model 0 - just tree bounds 1 - tree bounds and basis etc 2 - saved bounds and basis etc. More...

void	chooseVariable (ClpSimplex model, ClpNodeStuff info)
	Choose a new variable. More...

int	fixOnReducedCosts (ClpSimplex *model)
	Fix on reduced costs. More...

void	createArrays (ClpSimplex *model)
	Create odd arrays. More...

void	cleanUpForCrunch ()
	Clean up as crunch is different model. More...

Gets and sets
double	objectiveValue () const
	Objective value. More...

void	setObjectiveValue (double value)
	Set objective value. More...

const double *	primalSolution () const
	Primal solution. More...

const double *	dualSolution () const
	Dual solution. More...

double	branchingValue () const
	Initial value of integer variable. More...

double	sumInfeasibilities () const
	Sum infeasibilities. More...

int	numberInfeasibilities () const
	Number infeasibilities. More...

int	depth () const
	Relative depth. More...

double	estimatedSolution () const
	Estimated solution value. More...

int	way () const
	Way for integer variable -1 down , +1 up. More...

bool	fathomed () const
	Return true if branch exhausted. More...

void	changeState ()
	Change state of variable i.e. go other way. More...

int	sequence () const
	Sequence number of integer variable (-1 if none) More...

bool	oddArraysExist () const
	If odd arrays exist. More...

const unsigned char *	statusArray () const
	Status array. More...

Constructors, destructor
	ClpNode ()
	Default constructor. More...

	ClpNode (ClpSimplex model, const ClpNodeStuff stuff, int depth)
	Constructor from model. More...

void	gutsOfConstructor (ClpSimplex model, const ClpNodeStuff stuff, int arraysExist, int depth)
	Does work of constructor (partly so gdb will work) More...

virtual	~ClpNode ()
	Destructor. More...

Copy methods (at present illegal - will abort)
	ClpNode (const ClpNode &)
	The copy constructor. More...

ClpNode &	operator= (const ClpNode &)
	Operator =. More...

Protected Attributes
Data
double	branchingValue_
	Initial value of integer variable. More...

double	objectiveValue_
	Value of objective. More...

double	sumInfeasibilities_
	Sum of infeasibilities. More...

double	estimatedSolution_
	Estimated solution value. More...

ClpFactorization *	factorization_
	Factorization. More...

ClpDualRowSteepest *	weights_
	Steepest edge weights. More...

unsigned char *	status_
	Status vector. More...

double *	primalSolution_
	Primal solution. More...

double *	dualSolution_
	Dual solution. More...

int *	lower_
	Integer lower bounds (only used in fathomMany) More...

int *	upper_
	Integer upper bounds (only used in fathomMany) More...

int *	pivotVariables_
	Pivot variables for factorization. More...

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

branchState	branchState_
	State of branch. More...

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

int	numberInfeasibilities_
	Number of infeasibilities. More...

int	depth_
	Relative depth. More...

int	numberFixed_
	Number fixed by reduced cost. More...

int	flags_
	Flags - 1 duals scaled. More...

int	maximumFixed_
	Maximum number fixed by reduced cost. More...

int	maximumRows_
	Maximum rows so far. More...

int	maximumColumns_
	Maximum columns so far. More...

int	maximumIntegers_
	Maximum Integers so far. More...

Detailed Description

Definition at line 19 of file ClpNode.hpp.

Constructor & Destructor Documentation

ClpNode::ClpNode ( )

Default constructor.

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

Constructor from model.

virtual ClpNode::~ClpNode ( )

virtual

Destructor.

ClpNode::ClpNode ( const ClpNode & )

The copy constructor.

Member Function Documentation

void ClpNode::applyNode	(	ClpSimplex *	model,
		int	doBoundsEtc
	)

Applies node to model 0 - just tree bounds 1 - tree bounds and basis etc 2 - saved bounds and basis etc.

void ClpNode::chooseVariable	(	ClpSimplex *	model,
		ClpNodeStuff *	info
	)

Choose a new variable.

int ClpNode::fixOnReducedCosts ( ClpSimplex * model )

Fix on reduced costs.

void ClpNode::createArrays ( ClpSimplex * model )

Create odd arrays.

void ClpNode::cleanUpForCrunch ( )

Clean up as crunch is different model.

double ClpNode::objectiveValue ( ) const

inline

Objective value.

Definition at line 43 of file ClpNode.hpp.

void ClpNode::setObjectiveValue ( double value )

inline

Set objective value.

Definition at line 48 of file ClpNode.hpp.

const double* ClpNode::primalSolution ( ) const

inline

Primal solution.

Definition at line 53 of file ClpNode.hpp.

const double* ClpNode::dualSolution ( ) const

inline

Dual solution.

Definition at line 58 of file ClpNode.hpp.

double ClpNode::branchingValue ( ) const

inline

Initial value of integer variable.

Definition at line 63 of file ClpNode.hpp.

double ClpNode::sumInfeasibilities ( ) const

inline

Sum infeasibilities.

Definition at line 68 of file ClpNode.hpp.

int ClpNode::numberInfeasibilities ( ) const

inline

Number infeasibilities.

Definition at line 73 of file ClpNode.hpp.

int ClpNode::depth ( ) const

inline

Relative depth.

Definition at line 78 of file ClpNode.hpp.

double ClpNode::estimatedSolution ( ) const

inline

Estimated solution value.

Definition at line 83 of file ClpNode.hpp.

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 94 of file ClpNode.hpp.

bool ClpNode::oddArraysExist ( ) const

inline

If odd arrays exist.

Definition at line 99 of file ClpNode.hpp.

const unsigned char* ClpNode::statusArray ( ) const

inline

Status array.

Definition at line 104 of file ClpNode.hpp.

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

Does work of constructor (partly so gdb will work)

ClpNode& ClpNode::operator= ( const ClpNode & )

Operator =.

Member Data Documentation

double ClpNode::branchingValue_

protected

Initial value of integer variable.

Definition at line 141 of file ClpNode.hpp.

double ClpNode::objectiveValue_

protected

Value of objective.

Definition at line 143 of file ClpNode.hpp.

double ClpNode::sumInfeasibilities_

protected

Sum of infeasibilities.

Definition at line 145 of file ClpNode.hpp.

double ClpNode::estimatedSolution_

protected

Estimated solution value.

Definition at line 147 of file ClpNode.hpp.

ClpFactorization* ClpNode::factorization_

protected

Factorization.

Definition at line 149 of file ClpNode.hpp.

ClpDualRowSteepest* ClpNode::weights_

protected

Steepest edge weights.

Definition at line 151 of file ClpNode.hpp.

unsigned char* ClpNode::status_

protected

Status vector.

Definition at line 153 of file ClpNode.hpp.

double* ClpNode::primalSolution_

protected

Primal solution.

Definition at line 155 of file ClpNode.hpp.

double* ClpNode::dualSolution_

protected

Dual solution.

Definition at line 157 of file ClpNode.hpp.

int* ClpNode::lower_

protected

Integer lower bounds (only used in fathomMany)

Definition at line 159 of file ClpNode.hpp.

int* ClpNode::upper_

protected

Integer upper bounds (only used in fathomMany)

Definition at line 161 of file ClpNode.hpp.

int* ClpNode::pivotVariables_

protected

Pivot variables for factorization.

Definition at line 163 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 165 of file ClpNode.hpp.

branchState ClpNode::branchState_

protected

State of branch.

Definition at line 167 of file ClpNode.hpp.

int ClpNode::sequence_

protected

Sequence number of integer variable (-1 if none)

Definition at line 169 of file ClpNode.hpp.

int ClpNode::numberInfeasibilities_

protected

Number of infeasibilities.

Definition at line 171 of file ClpNode.hpp.

int ClpNode::depth_

protected

Relative depth.

Definition at line 173 of file ClpNode.hpp.

int ClpNode::numberFixed_

protected

Number fixed by reduced cost.

Definition at line 175 of file ClpNode.hpp.

int ClpNode::flags_

protected

Flags - 1 duals scaled.

Definition at line 177 of file ClpNode.hpp.

int ClpNode::maximumFixed_

protected

Maximum number fixed by reduced cost.

Definition at line 179 of file ClpNode.hpp.

int ClpNode::maximumRows_

protected

Maximum rows so far.

Definition at line 181 of file ClpNode.hpp.

int ClpNode::maximumColumns_

protected

Maximum columns so far.

Definition at line 183 of file ClpNode.hpp.

int ClpNode::maximumIntegers_

protected

Maximum Integers so far.

Definition at line 185 of file ClpNode.hpp.

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

/tmp/Cbc-2.10.5/Clp/src/ClpNode.hpp

Classes

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation