ClpConstraintLinear Class Reference

Linear Constraint Class. More...

#include <ClpConstraintLinear.hpp>

Inheritance diagram for ClpConstraintLinear:

Collaboration diagram for ClpConstraintLinear:

Public Member Functions
Stuff
virtual int	gradient (const ClpSimplex *model, const double *solution, double *gradient, double &functionValue, double &offset, bool useScaling=false, bool refresh=true) const
	Fills gradient. More...
virtual void	resize (int newNumberColumns)
	Resize constraint. More...
virtual void	deleteSome (int numberToDelete, const int *which)
	Delete columns in constraint. More...
virtual void	reallyScale (const double *columnScale)
	Scale constraint. More...
virtual int	markNonlinear (char *which) const
	Given a zeroed array sets nonlinear columns to 1. More...
virtual int	markNonzero (char *which) const
	Given a zeroed array sets possible nonzero coefficients to 1. More...
Constructors and destructors
	ClpConstraintLinear ()
	Default Constructor. More...
	ClpConstraintLinear (int row, int numberCoefficients, int numberColumns, const int *column, const double *element)
	Constructor from constraint. More...
	ClpConstraintLinear (const ClpConstraintLinear &rhs)
	Copy constructor . More...
ClpConstraintLinear &	operator= (const ClpConstraintLinear &rhs)
	Assignment operator. More...
virtual	~ClpConstraintLinear ()
	Destructor. More...
virtual ClpConstraint *	clone () const
	Clone. More...
Gets and sets
virtual int	numberCoefficients () const
	Number of coefficients. More...
int	numberColumns () const
	Number of columns in linear constraint. More...
const int *	column () const
	Columns. More...
const double *	coefficient () const
	Coefficients. More...
Public Member Functions inherited from ClpConstraint
virtual double	functionValue (const ClpSimplex *model, const double *solution, bool useScaling=false, bool refresh=true) const
	Constraint function value. More...
	ClpConstraint ()
	Default Constructor. More...
	ClpConstraint (const ClpConstraint &)
	Copy constructor. More...
ClpConstraint &	operator= (const ClpConstraint &rhs)
	Assignment operator. More...
virtual	~ClpConstraint ()
	Destructor. More...
int	type ()
	Returns type, 0 linear, 1 nonlinear. More...
int	rowNumber () const
	Row number (-1 is objective) More...
double	functionValue () const
	Stored constraint function value. More...
double	offset () const
	Constraint offset. More...
virtual void	newXValues ()
	Say we have new primal solution - so may need to recompute. More...

Additional Inherited Members
Protected Attributes inherited from ClpConstraint
double *	lastGradient_
	Gradient at last evaluation. More...
double	functionValue_
	Value of non-linear part of constraint. More...
double	offset_
	Value of offset for constraint. More...
int	type_
	Type of constraint - linear is 1. More...
int	rowNumber_
	Row number (-1 is objective) More...

Detailed Description

Linear Constraint Class.

Definition at line 17 of file ClpConstraintLinear.hpp.

Constructor & Destructor Documentation

ClpConstraintLinear() [1/3]

ClpConstraintLinear::ClpConstraintLinear

(

)

Default Constructor.

ClpConstraintLinear() [2/3]

ClpConstraintLinear::ClpConstraintLinear	(	int	row,
		int	numberCoefficients,
		int	numberColumns,
		const int *	column,
		const double *	element
	)

Constructor from constraint.

ClpConstraintLinear() [3/3]

ClpConstraintLinear::ClpConstraintLinear

(

const ClpConstraintLinear &

rhs

)

Copy constructor .

~ClpConstraintLinear()

virtual ClpConstraintLinear::~ClpConstraintLinear ( )

virtual

Destructor.

Member Function Documentation

gradient()

virtual int ClpConstraintLinear::gradient ( const ClpSimplex *  model, const double *  solution, double *  gradient, double &  functionValue, double &  offset, bool  useScaling = false, bool  refresh = true  ) const

virtual

Fills gradient.

If Linear then solution may be NULL, also returns true value of function and offset so we can use x not deltaX in constraint If refresh is false then uses last solution Uses model for scaling Returns non-zero if gradient udefined at current solution

Implements ClpConstraint.

resize()

virtual void ClpConstraintLinear::resize ( int  newNumberColumns )

virtual

Resize constraint.

Implements ClpConstraint.

deleteSome()

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

virtual

Delete columns in constraint.

Implements ClpConstraint.

reallyScale()

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

virtual

Scale constraint.

Implements ClpConstraint.

markNonlinear()

virtual int ClpConstraintLinear::markNonlinear ( char *  which ) const

virtual

Given a zeroed array sets nonlinear columns to 1.

Returns number of nonlinear columns

Implements ClpConstraint.

markNonzero()

virtual int ClpConstraintLinear::markNonzero ( char *  which ) const

virtual

Given a zeroed array sets possible nonzero coefficients to 1.

Returns number of nonzeros

Implements ClpConstraint.

operator=()

ClpConstraintLinear& ClpConstraintLinear::operator=

(

const ClpConstraintLinear &

rhs

)

Assignment operator.

clone()

virtual ClpConstraint* ClpConstraintLinear::clone ( ) const

virtual

Clone.

Implements ClpConstraint.

numberCoefficients()

virtual int ClpConstraintLinear::numberCoefficients ( ) const

virtual

Number of coefficients.

Implements ClpConstraint.

numberColumns()

int ClpConstraintLinear::numberColumns ( ) const

inline

Number of columns in linear constraint.

Definition at line 82 of file ClpConstraintLinear.hpp.

column()

const int* ClpConstraintLinear::column ( ) const

inline

Columns.

Definition at line 86 of file ClpConstraintLinear.hpp.

coefficient()

const double* ClpConstraintLinear::coefficient ( ) const

inline

Coefficients.

Definition at line 90 of file ClpConstraintLinear.hpp.

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

• src/ClpConstraintLinear.hpp