#include <LinearCut.h>

Inheritance diagram for Minotaur::LinearCut:

Collaboration diagram for Minotaur::LinearCut:

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Public Member Functions
	LinearCut ()
	Default Constructor.

	LinearCut (LinearFunctionPtr lf, double lb, double ub)
	Construct a cut of the form: $ax \leq b$ .

	~LinearCut ()
	Destroy.

double	getViolation (const double *)
	By how much does a given point x violate this cut.

double	getUb ()
	Get ub of the inequality.

double	getLb ()
	Get lb of the inequality.

void	applyToProblem (ProblemPtr)
	Add this cut to problem.

void	undoToProblem (ProblemPtr)
	Remove this cut from the problem.

void	write (std::ostream &out) const
	Write this cut to the outstream.

Public Member Functions inherited from Minotaur::Cut
	Cut ()
	Empty Constructor.

	Cut (size_t n, FunctionPtr f, double lb, double ub, bool never_delete, bool never_disable)
	Default constructor. More...

	Cut (ProblemPtr p, FunctionPtr f, double lb, double ub, bool never_delete, bool never_disable)

	~Cut ()
	Destroy.

void	applyToProblem (ProblemPtr p)
	Add a cut to the problem. More...

double	eval (const double x, int err)
	Evaluate the activity of this cut at a given point. More...

void	evalScore (const double x, double vio, double *score)
	Evaluate score of this cut at a given point. More...

ConstraintPtr	getConstraint ()
	Get Constraint pointer if this cut is in the problem. Null otherwise.

FunctionPtr	getFunction ()
	Get Function Pointer of the cut.

CutInfo *	getInfo ()
	Get pointer to the cut info data structure.

double	getLb ()
	Get lb of the inequality.

std::string	getName ()
	Get name of the cut.

double	getUb ()
	Get ub of the inequality.

void	setCons (ConstraintPtr c)
	Constraint associated with the cut.

void	setName_ (std::string name)
	Set name of the cut.

void	write (std::ostream &out) const
	Display.

void	writeStats (std::ostream &out) const
	Display statistics and information.

Protected Attributes
ConstraintPtr	cons_
	Pointer to the constraint that is added to the problem.

FunctionPtr	f_
	Function or the lhs.

double	lb_
	lb.

LinearFunctionPtr	lf_
	Linear function or the lhs.

double	ub_
	ub.

Protected Attributes inherited from Minotaur::Cut
ConstraintPtr	cons_
	Pointer to the constraint. Null if it is disabled.

FunctionPtr	f_
	Pointer to the function of a cut.

CutInfo	info_
	Information about the cut.

double	lb_
	Lower bound.

LoggerPtr	logger_
	Logger for display.

size_t	n_
	Number of variables in the problem. Used to calculate hash.

double	ub_
	Upper bound.

double	fixedScore_
	Fixed score of each cut.

std::string	name_
	Name of the cut (could be NULL).

Additional Inherited Members
Protected Member Functions inherited from Minotaur::Cut
void	initInfo_ (bool never_delete, bool never_disable)
	Initialize the values in info_ data structure. More...

void	evalFixedScore_ ()
	Assign a fixed score to the cut.

Detailed Description

A linear cut is a valid inequality of the form $l \leq ax \leq u$ , where $a \in \mathcal{R}^n, l \in \mathcal{R}, u \in \mathcal{R}$ .

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

/home/amahajan/tmp/minotaur-test/src/base/LinearCut.h
/home/amahajan/tmp/minotaur-test/src/base/LinearCut.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description