upper bound More...

#include <CouenneExprBound.hpp>

Inheritance diagram for Couenne::exprUpperBound:

Public Member Functions
enum nodeType	Type () const
	Node type. More...

	exprUpperBound (int varIndex, Domain *d=NULL)
	Constructor. More...

	exprUpperBound (const exprUpperBound &src, Domain *d=NULL)
	Copy constructor. More...

exprUpperBound *	clone (Domain *d=NULL) const
	cloning method More...

void	print (std::ostream &out=std::cout, bool=false) const
	Print to iostream. More...

CouNumber	operator() ()
	return the value of the variable More...

expression *	differentiate (int)
	differentiation More...

int	dependsOn (int *, int, enum dig_type type=STOP_AT_AUX)
	dependence on variable set More...

virtual int	Linearity ()
	get a measure of "how linear" the expression is: More...

virtual enum expr_type	code ()
	code for comparisons More...

Public Member Functions inherited from Couenne::exprVar
	exprVar (int varIndex, Domain *d=NULL)
	Constructor. More...

virtual	~exprVar ()
	destructor More...

	exprVar (const exprVar &e, Domain *d=NULL)
	Copy constructor. More...

int	Index () const
	Get variable index in problem. More...

virtual expression *	Lb ()
	Get lower bound expression. More...

virtual expression *	Ub ()
	Get upper bound expression. More...

virtual CouNumber &	lb ()
	Get/set lower bound value. More...

virtual CouNumber &	ub ()
	Get/set upper bound value. More...

virtual CouNumber	gradientNorm (const double *x)
	return l-2 norm of gradient at given point More...

virtual int	DepList (std::set< int > &deplist, enum dig_type type=ORIG_ONLY)
	fill in the set with all indices of variables appearing in the expression More...

virtual void	crossBounds ()
	set bounds depending on both branching rules and propagated bounds. More...

virtual expression *	simplify ()
	simplify More...

virtual bool	isDefinedInteger ()
	is this expression defined as an integer? More...

virtual bool	isInteger ()
	is this variable integer? More...

virtual void	getBounds (expression &, expression &)
	Get expressions of lower and upper bound of an expression (if any) More...

virtual void	getBounds (CouNumber &lb, CouNumber &ub)
	Get value of lower and upper bound of an expression (if any) More...

virtual void	generateCuts (OsiCuts &, const CouenneCutGenerator , t_chg_bounds =NULL, int=-1, CouNumber=-COUENNE_INFINITY, CouNumber=COUENNE_INFINITY)
	Get values of lower and upper bound of an expression (if any) More...

virtual void	generateCuts (expression w, OsiCuts &cs, const CouenneCutGenerator cg, t_chg_bounds *=NULL, int=-1, CouNumber=-COUENNE_INFINITY, CouNumber=COUENNE_INFINITY)
	generate convexification cut for constraint w = this More...

virtual bool	impliedBound (int, CouNumber , CouNumber , t_chg_bounds *, enum auxSign=expression::AUX_EQ)
	implied bound processing More...

virtual int	rank ()
	rank of an original variable is always one More...

virtual void	fillDepSet (std::set< DepNode , compNode > , DepGraph *)
	update dependence set with index of this variable More...

virtual bool	isFixed ()
	is this variable fixed? More...

virtual void	linkDomain (Domain *d)
	link this variable to a domain More...

virtual Domain *	domain ()
	return pointer to variable domain More...

virtual void	decreaseMult ()

virtual void	zeroMult ()
	Disable variable (empty for compatibility with exprAux) More...

virtual void	setInteger (bool value)
	Set this variable as integer (empty for compatibility with exprAux) More...

virtual enum convexity	convexity () const
	either CONVEX, CONCAVE, AFFINE, or NONCONVEX More...

virtual CouenneObject *	properObject (CouenneCutGenerator c, CouenneProblem p, Bonmin::BabSetupBase *base, JnlstPtr jnlst_)
	return proper object to handle expression associated with this variable (NULL if this is not an auxiliary) More...

virtual enum auxSign	sign () const
	return its sign in the definition constraint More...

Public Member Functions inherited from Couenne::expression
	expression ()
	Constructor. More...

	expression (const expression &e, Domain *d=NULL)
	Copy constructor. More...

virtual	~expression ()
	Destructor. More...

virtual int	nArgs () const
	return number of arguments (when applicable, that is, with N-ary functions) More...

virtual expression **	ArgList () const
	return arglist (when applicable, that is, with N-ary functions) More...

virtual void	ArgList (expression **al)
	set arglist (used in deleting nodes without deleting children) More...

virtual expression *	Argument () const
	return argument (when applicable, i.e., with univariate functions) More...

virtual expression **	ArgPtr ()
	return pointer to argument (when applicable, i.e., with univariate functions) More...

virtual expression *	Image () const
	return pointer to corresponding expression (for auxiliary variables only) More...

virtual void	Image (expression *image)
	set expression associated with this auxiliary variable (for compatibility with exprAux) More...

virtual CouNumber	Value () const
	value (empty) More...

virtual const expression *	Original () const
	If this is an exprClone of a exprClone of an expr???, point to the original expr??? instead of an exprClone – improve computing efficiency. More...

int	dependsOn (int singleton, enum dig_type type=STOP_AT_AUX)
	version with one index only More...

virtual exprAux *	standardize (CouenneProblem *p, bool addAux=true)
	Create standard form of this expression, by: More...

virtual int	compare (expression &)
	compare expressions More...

virtual int	compare (exprCopy &)
	compare copies of expressions More...

virtual int	Multiplicity ()
	multiplicity of a variable More...

virtual CouNumber	selectBranch (const CouenneObject obj, const OsiBranchingInformation info, expression &var, double &brpts, double *&brDist, int &way)
	set up branching object by evaluating many branching points for each expression's arguments. More...

virtual void	replace (exprVar , exprVar )
	replace expression with another More...

virtual void	realign (const CouenneProblem *p)
	empty function to redirect variables to proper variable vector More...

virtual bool	isBijective () const
	indicating if function is monotonically increasing More...

virtual CouNumber	inverse (expression *vardep) const
	compute the inverse function More...

virtual void	closestFeasible (expression varind, expression vardep, CouNumber &left, CouNumber &right) const
	closest feasible points in function in both directions More...

virtual bool	isCuttable (CouenneProblem *problem, int index) const
	can this expression be further linearized or are we on its concave ("bad") side More...

virtual bool	isaCopy () const
	return true if this is a copy of something (i.e. an exprCopy) More...

virtual expression *	Copy () const
	return copy of this expression (only makes sense in exprCopy) More...

Additional Inherited Members
Public Types inherited from Couenne::expression
enum	auxSign { AUX_UNDEF =-2, AUX_LEQ =-1, AUX_EQ, AUX_GEQ }
	"sign" of the constraint defining an auxiliary. More...

Protected Attributes inherited from Couenne::exprVar
int	varIndex_
	The index of the variable. More...

Domain *	domain_
	Pointer to a descriptor of the current point/bounds. More...

Detailed Description

upper bound

Definition at line 87 of file CouenneExprBound.hpp.

Constructor & Destructor Documentation

Couenne::exprUpperBound::exprUpperBound	(	int	varIndex,
		Domain *	d = `NULL`
	)

inline

Constructor.

Definition at line 96 of file CouenneExprBound.hpp.

Referenced by clone().

Couenne::exprUpperBound::exprUpperBound	(	const exprUpperBound &	src,
		Domain *	d = `NULL`
	)

inline

Copy constructor.

Definition at line 100 of file CouenneExprBound.hpp.

Member Function Documentation

enum nodeType Couenne::exprUpperBound::Type ( ) const

inlinevirtual

Node type.

Reimplemented from Couenne::exprVar.

Definition at line 92 of file CouenneExprBound.hpp.

References Couenne::CONST.

exprUpperBound* Couenne::exprUpperBound::clone ( Domain * d = NULL ) const

inlinevirtual

cloning method

Reimplemented from Couenne::exprVar.

Definition at line 104 of file CouenneExprBound.hpp.

References exprUpperBound().

void Couenne::exprUpperBound::print	(	std::ostream &	out = `std::cout`,
		bool	= `false`
	)		const

inlinevirtual

Print to iostream.

Reimplemented from Couenne::exprVar.

Definition at line 108 of file CouenneExprBound.hpp.

References Couenne::exprVar::varIndex_.

CouNumber Couenne::exprUpperBound::operator() ( )

inlinevirtual

return the value of the variable

Reimplemented from Couenne::exprVar.

Definition at line 113 of file CouenneExprBound.hpp.

References Couenne::exprVar::domain_, Couenne::exprVar::ub(), and Couenne::exprVar::varIndex_.

expression* Couenne::exprUpperBound::differentiate ( int )

inlinevirtual

differentiation

Reimplemented from Couenne::exprVar.

Definition at line 117 of file CouenneExprBound.hpp.

int Couenne::exprUpperBound::dependsOn	(	int *	,
		int	,
		enum dig_type	type = `STOP_AT_AUX`
	)

inlinevirtual

dependence on variable set

Reimplemented from Couenne::expression.

Definition at line 121 of file CouenneExprBound.hpp.

virtual int Couenne::exprUpperBound::Linearity ( )

inlinevirtual

get a measure of "how linear" the expression is:

Reimplemented from Couenne::exprVar.

Definition at line 125 of file CouenneExprBound.hpp.

References Couenne::CONST.

virtual enum expr_type Couenne::exprUpperBound::code ( )

inlinevirtual

code for comparisons

Reimplemented from Couenne::exprVar.

Definition at line 129 of file CouenneExprBound.hpp.

References Couenne::COU_EXPRUBOUND.

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

CouenneExprBound.hpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation