ClpLinearObjective Class Reference

Linear Objective Class. More...

#include <ClpLinearObjective.hpp>

Inheritance diagram for ClpLinearObjective:

Collaboration diagram for ClpLinearObjective:

List of all members.

Public Member Functions
Stuff
virtual double *	gradient (const ClpSimplex *model, const double *solution, double &offset, bool refresh, int includeLinear=2)
	Returns objective coefficients.
virtual double	reducedGradient (ClpSimplex *model, double *region, bool useFeasibleCosts)
	Returns reduced gradient.Returns an offset (to be added to current one).
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.
virtual double	objectiveValue (const ClpSimplex *model, const double *solution) const
	Return objective value (without any ClpModel offset) (model may be NULL)
virtual void	resize (int newNumberColumns)
	Resize objective.
virtual void	deleteSome (int numberToDelete, const int *which)
	Delete columns in objective.
virtual void	reallyScale (const double *columnScale)
	Scale objective.
Constructors and destructors
	ClpLinearObjective ()
	Default Constructor.
	ClpLinearObjective (const double *objective, int numberColumns)
	Constructor from objective.
	ClpLinearObjective (const ClpLinearObjective &)
	Copy constructor.
	ClpLinearObjective (const ClpLinearObjective &rhs, int numberColumns, const int *whichColumns)
	Subset constructor.
ClpLinearObjective &	operator= (const ClpLinearObjective &rhs)
	Assignment operator.
virtual	~ClpLinearObjective ()
	Destructor.
virtual ClpObjective *	clone () const
	Clone.
virtual ClpObjective *	subsetClone (int numberColumns, const int *whichColumns) const
	Subset clone.

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Detailed Description

Linear Objective Class.

Definition at line 17 of file ClpLinearObjective.hpp.

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Constructor & Destructor Documentation

ClpLinearObjective::ClpLinearObjective

(

)

Default Constructor.

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

Constructor from objective.

ClpLinearObjective::ClpLinearObjective

(

const ClpLinearObjective &

)

Copy constructor.

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

Subset constructor.

Duplicates are allowed and order is as given.

virtual ClpLinearObjective::~ClpLinearObjective

(

)

[virtual]

Destructor.

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Member Function Documentation

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.

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.

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.

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.

virtual void ClpLinearObjective::resize

(

int

newNumberColumns

)

[virtual]

Resize objective.

Implements ClpObjective.

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

Delete columns in objective.

Implements ClpObjective.

virtual void ClpLinearObjective::reallyScale

(

const double *

columnScale

)

[virtual]

Scale objective.

Implements ClpObjective.

ClpLinearObjective& ClpLinearObjective::operator=

(

const ClpLinearObjective &

rhs

)

Assignment operator.

virtual ClpObjective* ClpLinearObjective::clone

(

)

const [virtual]

Clone.

Implements ClpObjective.

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

Subset clone.

Duplicates are allowed and order is as given.

Reimplemented from ClpObjective.

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

• src/ClpLinearObjective.hpp