SPxSteepExPR< R > Class Template Reference

Steepest edge pricer. More...

#include <spxsteepexpr.h>

Inheritance diagram for SPxSteepExPR< R >:

Public Member Functions
Construction / destruction
	SPxSteepExPR ()
	SPxSteepExPR (const SPxSteepExPR &old)
	copy constructor
SPxSteepExPR &	operator= (const SPxSteepExPR &rhs)
	assignment operator
virtual	~SPxSteepExPR ()
	destructor
virtual SPxSteepPR< R > *	clone () const
	clone function for polymorphism
Public Member Functions inherited from SPxSteepPR< R >
void	setupWeights (typename SPxSolverBase< R >::Type type)
	setup steepest edge weights
	SPxSteepPR (const char *name="Steep", Setup mode=DEFAULT)
	SPxSteepPR (const SPxSteepPR &old)
	copy constructor
SPxSteepPR &	operator= (const SPxSteepPR &rhs)
	assignment operator
virtual	~SPxSteepPR ()
	destructor
virtual void	load (SPxSolverBase< R > *base)
	sets the solver
virtual void	clear ()
	clear solver and preferences
virtual void	setType (typename SPxSolverBase< R >::Type)
	set entering/leaving algorithm
virtual void	setRep (typename SPxSolverBase< R >::Representation rep)
	set row/column representation
virtual int	selectLeave ()
virtual void	left4 (int n, SPxId id)
virtual SPxId	selectEnter ()
virtual void	entered4 (SPxId id, int n)
virtual void	addedVecs (int n)
	n vectors have been added to loaded LP.
virtual void	addedCoVecs (int n)
	n covectors have been added to loaded LP.
virtual void	removedVec (int i)
	the i'th vector has been removed from the loaded LP.
virtual void	removedCoVec (int i)
	the i'th covector has been removed from the loaded LP.
virtual void	removedVecs (const int perm[])
	n vectors have been removed from loaded LP.
virtual void	removedCoVecs (const int perm[])
	n covectors have been removed from loaded LP.
virtual bool	isConsistent () const
Public Member Functions inherited from SPxPricer< R >
virtual const char *	getName () const
	get name of pricer.
virtual SPxSolverBase< R > *	solver () const
	returns loaded SPxSolverBase object.
virtual void	setPricingTolerance (R tol)
	sets pricing tolerance.
virtual R	pricingTolerance () const
	returns the pricing tolerance
virtual void	setTolerances (std::shared_ptr< Tolerances > newTolerances)
	set the _tolerances member variable
virtual void	removedVecs (const int *)
	vectors given by perm have been removed from loaded LP.
virtual void	removedCoVecs (const int *)
	covectors given by perm have been removed from loaded LP.
	SPxPricer (const char *p_name)
	constructor
	SPxPricer (const SPxPricer &old)
	copy constructor
SPxPricer &	operator= (const SPxPricer &rhs)
	assignment operator
virtual	~SPxPricer ()
	destructor.

Additional Inherited Members
Public Types inherited from SPxSteepPR< R >
enum	Setup { EXACT , DEFAULT }
	How to setup the direction multipliers. More...
Public Types inherited from SPxPricer< R >
enum	ViolationType { NOT_VIOLATED = 0 , VIOLATED = 1 , VIOLATED_AND_CHECKED = 2 }
Protected Attributes inherited from SPxPricer< R >
IdxCompare	compare
const char *	m_name
	name of the pricer
SPxSolverBase< R > *	thesolver
	the solver
R	thetolerance
	violation bound
std::shared_ptr< Tolerances >	_tolerances
	tolerances used by the solver

Detailed Description

template<class R>
class soplex::SPxSteepExPR< R >

Steepest edge pricer.

Class SPxSteepExPR implements a steepest edge pricer to be used with SoPlex. Exact initialization of weights is used.

See SPxPricer for a class documentation.

Definition at line 50 of file spxsteepexpr.h.

Constructor & Destructor Documentation

SPxSteepExPR() [1/2]

template<class R>

SPxSteepExPR

(

)

Definition at line 59 of file spxsteepexpr.h.

References SPxSteepPR< R >::EXACT, SPxSteepPR< R >::isConsistent(), and SPxSteepPR< R >::SPxSteepPR().

Referenced by clone(), operator=(), and SPxSteepExPR().

SPxSteepExPR() [2/2]

template<class R>

SPxSteepExPR

(

const SPxSteepExPR< R > &

old

)

copy constructor

Definition at line 65 of file spxsteepexpr.h.

References SPxSteepPR< R >::isConsistent(), SPxSteepExPR(), and SPxSteepPR< R >::SPxSteepPR().

~SPxSteepExPR()

template<class R>

virtual ~SPxSteepExPR ( )

virtual

destructor

Definition at line 83 of file spxsteepexpr.h.

Member Function Documentation

clone()

template<class R>

virtual SPxSteepPR< R > * clone ( ) const

virtual

clone function for polymorphism

Reimplemented from SPxSteepPR< R >.

Definition at line 86 of file spxsteepexpr.h.

References SPxSteepExPR(), and SPxSteepPR< R >::SPxSteepPR().

operator=()

template<class R>

SPxSteepExPR & operator=

(

const SPxSteepExPR< R > &

rhs

)

assignment operator

Definition at line 71 of file spxsteepexpr.h.

References SPxSteepPR< R >::isConsistent(), SPxSteepPR< R >::operator=(), and SPxSteepExPR().