Linear Objective Class. More...

#include <ClpLinearObjective.hpp>

Inheritance diagram for ClpLinearObjective:

Collaboration diagram for ClpLinearObjective:

Public Member Functions
Stuff
virtual double *	gradient (const ClpSimplex model, const double solution, double &offset, bool refresh, int includeLinear=2)
	Returns objective coefficients. More...

virtual double	reducedGradient (ClpSimplex model, double region, bool useFeasibleCosts)
	Returns reduced gradient.Returns an offset (to be added to current one). More...

virtual double	stepLength (ClpSimplex model, const double solution, const double *change, double maximumTheta, double &currentObj, double &predictedObj, double &thetaObj)
	Returns step length which gives minimum of objective for solution + theta * change vector up to maximum theta. More...

virtual double	objectiveValue (const ClpSimplex model, const double solution) const
	Return objective value (without any ClpModel offset) (model may be NULL) More...

virtual void	resize (int newNumberColumns)
	Resize objective. More...

virtual void	deleteSome (int numberToDelete, const int *which)
	Delete columns in objective. More...

virtual void	reallyScale (const double *columnScale)
	Scale objective. More...

Constructors and destructors
	ClpLinearObjective ()
	Default Constructor. More...

	ClpLinearObjective (const double *objective, int numberColumns)
	Constructor from objective. More...

	ClpLinearObjective (const ClpLinearObjective &)
	Copy constructor. More...

	ClpLinearObjective (const ClpLinearObjective &rhs, int numberColumns, const int *whichColumns)
	Subset constructor. More...

ClpLinearObjective &	operator= (const ClpLinearObjective &rhs)
	Assignment operator. More...

virtual	~ClpLinearObjective ()
	Destructor. More...

virtual ClpObjective *	clone () const
	Clone. More...

virtual ClpObjective *	subsetClone (int numberColumns, const int *whichColumns) const
	Subset clone. More...

Public Member Functions inherited from ClpObjective
virtual int	markNonlinear (char *which)
	Given a zeroed array sets nonlinear columns to 1. More...

virtual void	newXValues ()
	Say we have new primal solution - so may need to recompute. More...

	ClpObjective ()
	Default Constructor. More...

	ClpObjective (const ClpObjective &)
	Copy constructor. More...

ClpObjective &	operator= (const ClpObjective &rhs)
	Assignment operator. More...

virtual	~ClpObjective ()
	Destructor. More...

int	type () const
	Returns type (above 63 is extra information) More...

void	setType (int value)
	Sets type (above 63 is extra information) More...

int	activated () const
	Whether activated. More...

void	setActivated (int value)
	Set whether activated. More...

double	nonlinearOffset () const
	Objective offset. More...

Private Attributes
Private member data
Objective
double *	objective_

int	numberColumns_
	number of columns More...

Additional Inherited Members
Protected Attributes inherited from ClpObjective
double	offset_
	Value of non-linear part of objective. More...

int	type_
	Type of objective - linear is 1. More...

int	activated_
	Whether activated. More...

Detailed Description

Linear Objective Class.

Definition at line 17 of file ClpLinearObjective.hpp.

Constructor & Destructor Documentation

◆ ClpLinearObjective() [1/4]

ClpLinearObjective::ClpLinearObjective ( )

Default Constructor.

◆ ClpLinearObjective() [2/4]

ClpLinearObjective::ClpLinearObjective	(	const double *	objective,
		int	numberColumns
	)

Constructor from objective.

◆ ClpLinearObjective() [3/4]

ClpLinearObjective::ClpLinearObjective ( const ClpLinearObjective & )

Copy constructor.

◆ ClpLinearObjective() [4/4]

ClpLinearObjective::ClpLinearObjective	(	const ClpLinearObjective &	rhs,
		int	numberColumns,
		const int *	whichColumns
	)

Subset constructor.

Duplicates are allowed and order is as given.

◆ ~ClpLinearObjective()

virtual ClpLinearObjective::~ClpLinearObjective ( )

virtual

Destructor.

Member Function Documentation

◆ gradient()

virtual double* ClpLinearObjective::gradient	(	const ClpSimplex *	model,
		const double *	solution,
		double &	offset,
		bool	refresh,
		int	includeLinear = `2`
	)

virtual

Returns objective coefficients.

Offset is always set to 0.0. All other parameters unused.

Implements ClpObjective.

◆ reducedGradient()

virtual double ClpLinearObjective::reducedGradient	(	ClpSimplex *	model,
		double *	region,
		bool	useFeasibleCosts
	)

virtual

Returns reduced gradient.Returns an offset (to be added to current one).

Implements ClpObjective.

◆ stepLength()

virtual double ClpLinearObjective::stepLength	(	ClpSimplex *	model,
		const double *	solution,
		const double *	change,
		double	maximumTheta,
		double &	currentObj,
		double &	predictedObj,
		double &	thetaObj
	)

virtual

Returns step length which gives minimum of objective for solution + theta * change vector up to maximum theta.

arrays are numberColumns+numberRows Also sets current objective, predicted and at maximumTheta

Implements ClpObjective.

◆ objectiveValue()

virtual double ClpLinearObjective::objectiveValue	(	const ClpSimplex *	model,
		const double *	solution
	)		const

virtual

Return objective value (without any ClpModel offset) (model may be NULL)

Implements ClpObjective.

◆ resize()

virtual void ClpLinearObjective::resize ( int newNumberColumns )

virtual

Resize objective.

Implements ClpObjective.

◆ deleteSome()

virtual void ClpLinearObjective::deleteSome	(	int	numberToDelete,
		const int *	which
	)

virtual

Delete columns in objective.

Implements ClpObjective.

◆ reallyScale()

virtual void ClpLinearObjective::reallyScale ( const double * columnScale )

virtual

Scale objective.

Implements ClpObjective.

◆ operator=()

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

Assignment operator.

◆ clone()

virtual ClpObjective* ClpLinearObjective::clone ( ) const

virtual

Clone.

Implements ClpObjective.

◆ subsetClone()

virtual ClpObjective* ClpLinearObjective::subsetClone	(	int	numberColumns,
		const int *	whichColumns
	)		const

virtual

Subset clone.

Duplicates are allowed and order is as given.

Reimplemented from ClpObjective.

Member Data Documentation

◆ objective_

double* ClpLinearObjective::objective_

private

Definition at line 95 of file ClpLinearObjective.hpp.

◆ numberColumns_

int ClpLinearObjective::numberColumns_

private

number of columns

Definition at line 97 of file ClpLinearObjective.hpp.

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

/home/ted/tmp/tmp/Clp/Clp/src/ClpLinearObjective.hpp

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ClpLinearObjective() [1/4]

◆ ClpLinearObjective() [2/4]

◆ ClpLinearObjective() [3/4]

◆ ClpLinearObjective() [4/4]

◆ ~ClpLinearObjective()

Member Function Documentation

◆ gradient()

◆ reducedGradient()

◆ stepLength()

◆ objectiveValue()

◆ resize()

◆ deleteSome()

◆ reallyScale()

◆ operator=()

◆ clone()

◆ subsetClone()

Member Data Documentation

◆ objective_

◆ numberColumns_