OsiBranchingInformation Class Reference

#include <OsiBranchingObject.hpp>

Collaboration diagram for OsiBranchingInformation:

Public Member Functions
	OsiBranchingInformation ()
	Default Constructor.
	OsiBranchingInformation (const OsiSolverInterface *solver, bool normalSolver, bool copySolution=false)
	Useful Constructor (normalSolver true if has matrix etc etc) copySolution true if constructot should make a copy.
	OsiBranchingInformation (const OsiBranchingInformation &)
	Copy constructor.
OsiBranchingInformation &	operator= (const OsiBranchingInformation &rhs)
	Assignment operator.
virtual OsiBranchingInformation *	clone () const
	Clone.
virtual	~OsiBranchingInformation ()
	Destructor.
Public Attributes
int	stateOfSearch_
	data
double	objectiveValue_
	Value of objective function (in minimization sense).
double	cutoff_
	Value of objective cutoff (in minimization sense).
double	direction_
	Direction 1.0 for minimization, -1.0 for maximization.
double	integerTolerance_
	Integer tolerance.
double	primalTolerance_
	Primal tolerance.
double	timeRemaining_
	Maximum time remaining before stopping on time.
double	defaultDual_
	Dual to use if row bound violated (if negative then pseudoShadowPrices off).
const OsiSolverInterface *	solver_
	Pointer to solver.
int	numberColumns_
	The number of columns.
const double *	lower_
	Pointer to current lower bounds on columns.
const double *	solution_
	Pointer to current solution.
const double *	upper_
	Pointer to current upper bounds on columns.
const double *	hotstartSolution_
	Highly optional target (hot start) solution.
const double *	pi_
	Pointer to duals.
const double *	rowActivity_
	Pointer to row activity.
const double *	objective_
	Objective.
const double *	rowLower_
	Pointer to current lower bounds on rows.
const double *	rowUpper_
	Pointer to current upper bounds on rows.
const double *	elementByColumn_
	Elements in column copy of matrix.
const CoinBigIndex *	columnStart_
	Column starts.
const int *	columnLength_
	Column lengths.
const int *	row_
	Row indices.
double *	usefulRegion_
	Useful region of length CoinMax(numberColumns,2*numberRows) This is allocated and deleted before OsiObject::infeasibility It is zeroed on entry and should be so on exit It only exists if defaultDual_>=0.0.
int *	indexRegion_
	Useful index region to go with usefulRegion_.
int	numberSolutions_
	Number of solutions found.
int	numberBranchingSolutions_
	Number of branching solutions found (i.e. exclude heuristics).
int	depth_
	Depth in tree.
bool	owningSolution_
	TEMP.

Detailed Description

Definition at line 352 of file OsiBranchingObject.hpp.

Constructor & Destructor Documentation

OsiBranchingInformation::OsiBranchingInformation ( )

Default Constructor.

OsiBranchingInformation::OsiBranchingInformation	(	const OsiSolverInterface *	solver,
		bool	normalSolver,
		bool	copySolution = `false`
	)

Useful Constructor (normalSolver true if has matrix etc etc) copySolution true if constructot should make a copy.

OsiBranchingInformation::OsiBranchingInformation ( const OsiBranchingInformation & )

Copy constructor.

virtual OsiBranchingInformation::~OsiBranchingInformation ( ) [virtual]

Destructor.

Member Function Documentation

OsiBranchingInformation& OsiBranchingInformation::operator= ( const OsiBranchingInformation & rhs )

Assignment operator.

virtual OsiBranchingInformation* OsiBranchingInformation::clone ( ) const [virtual]

Clone.

Member Data Documentation

int OsiBranchingInformation::stateOfSearch_

data

State of search 0 - no solution 1 - only heuristic solutions 2 - branched to a solution 3 - no solution but many nodes

Definition at line 387 of file OsiBranchingObject.hpp.

double OsiBranchingInformation::objectiveValue_

Value of objective function (in minimization sense).

Definition at line 389 of file OsiBranchingObject.hpp.

double OsiBranchingInformation::cutoff_

Value of objective cutoff (in minimization sense).

Definition at line 391 of file OsiBranchingObject.hpp.

double OsiBranchingInformation::direction_

Direction 1.0 for minimization, -1.0 for maximization.

Definition at line 393 of file OsiBranchingObject.hpp.

double OsiBranchingInformation::integerTolerance_

Integer tolerance.

Definition at line 395 of file OsiBranchingObject.hpp.

double OsiBranchingInformation::primalTolerance_

Primal tolerance.

Definition at line 397 of file OsiBranchingObject.hpp.

double OsiBranchingInformation::timeRemaining_

Maximum time remaining before stopping on time.

Definition at line 399 of file OsiBranchingObject.hpp.

double OsiBranchingInformation::defaultDual_

Dual to use if row bound violated (if negative then pseudoShadowPrices off).

Definition at line 401 of file OsiBranchingObject.hpp.

const OsiSolverInterface* OsiBranchingInformation::solver_ [mutable]

Pointer to solver.

Definition at line 403 of file OsiBranchingObject.hpp.

int OsiBranchingInformation::numberColumns_

The number of columns.

Definition at line 405 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::lower_ [mutable]

Pointer to current lower bounds on columns.

Definition at line 407 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::solution_ [mutable]

Pointer to current solution.

Definition at line 409 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::upper_ [mutable]

Pointer to current upper bounds on columns.

Definition at line 411 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::hotstartSolution_

Highly optional target (hot start) solution.

Definition at line 413 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::pi_

Pointer to duals.

Definition at line 415 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::rowActivity_

Pointer to row activity.

Definition at line 417 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::objective_

Objective.

Definition at line 419 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::rowLower_

Pointer to current lower bounds on rows.

Definition at line 421 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::rowUpper_

Pointer to current upper bounds on rows.

Definition at line 423 of file OsiBranchingObject.hpp.

const double* OsiBranchingInformation::elementByColumn_

Elements in column copy of matrix.

Definition at line 425 of file OsiBranchingObject.hpp.

const CoinBigIndex* OsiBranchingInformation::columnStart_

Column starts.

Definition at line 427 of file OsiBranchingObject.hpp.

const int* OsiBranchingInformation::columnLength_

Column lengths.

Definition at line 429 of file OsiBranchingObject.hpp.

const int* OsiBranchingInformation::row_

Row indices.

Definition at line 431 of file OsiBranchingObject.hpp.

double* OsiBranchingInformation::usefulRegion_

Useful region of length CoinMax(numberColumns,2*numberRows) This is allocated and deleted before OsiObject::infeasibility It is zeroed on entry and should be so on exit It only exists if defaultDual_>=0.0.

Definition at line 437 of file OsiBranchingObject.hpp.

int* OsiBranchingInformation::indexRegion_

Useful index region to go with usefulRegion_.

Definition at line 439 of file OsiBranchingObject.hpp.

int OsiBranchingInformation::numberSolutions_

Number of solutions found.

Definition at line 441 of file OsiBranchingObject.hpp.

int OsiBranchingInformation::numberBranchingSolutions_

Number of branching solutions found (i.e. exclude heuristics).

Definition at line 443 of file OsiBranchingObject.hpp.

int OsiBranchingInformation::depth_

Depth in tree.