SPxMainSM< R >::TightenBoundsPS Class Reference

Postsolves variable bound tightening from pseudo objective propagation. More...

Inheritance diagram for SPxMainSM< R >::TightenBoundsPS:

Public Member Functions
	TightenBoundsPS (const SPxLPBase< R > &lp, int j, R origupper, R origlower, std::shared_ptr< Tolerances > tols)
	TightenBoundsPS (const TightenBoundsPS &old)
	copy constructor
TightenBoundsPS &	operator= (const TightenBoundsPS &rhs)
	assignment operator
virtual PostStep *	clone () const
	clone function for polymorphism
virtual void	execute (VectorBase< R > &x, VectorBase< R > &y, VectorBase< R > &s, VectorBase< R > &r, DataArray< typename SPxSolverBase< R >::VarStatus > &cBasis, DataArray< typename SPxSolverBase< R >::VarStatus > &rBasis, bool isOptimal) const
Public Member Functions inherited from SPxMainSM< R >::PostStep
	PostStep (const char *p_name, std::shared_ptr< Tolerances > tols, int nR=0, int nC=0)
	constructor.
	PostStep (const PostStep &old)
	copy constructor.
PostStep &	operator= (const PostStep &)
	assignment operator
virtual	~PostStep ()
	destructor.
virtual const char *	getName () const
	get name of simplifying step.
virtual bool	checkBasisDim (DataArray< typename SPxSolverBase< R >::VarStatus > rows, DataArray< typename SPxSolverBase< R >::VarStatus > cols) const
virtual R	feastol () const
virtual R	epsilon () const

Private Attributes
const int	m_j
const R	m_origupper
const R	m_origlower

Detailed Description

template<class R>
class soplex::SPxMainSM< R >::TightenBoundsPS

Postsolves variable bound tightening from pseudo objective propagation.

Definition at line 1248 of file spxmainsm.h.

Constructor & Destructor Documentation

TightenBoundsPS() [1/2]

template<class R>

TightenBoundsPS	(	const SPxLPBase< R > &	lp,
		int	j,
		R	origupper,
		R	origlower,
		std::shared_ptr< Tolerances >	tols )

Definition at line 1257 of file spxmainsm.h.

References m_j, m_origlower, m_origupper, SPxMainSM< R >::PostStep::nCols, SPxMainSM< R >::PostStep::nRows, and SPxMainSM< R >::PostStep::PostStep().

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

TightenBoundsPS() [2/2]

template<class R>

TightenBoundsPS

(

const TightenBoundsPS &

old

)

copy constructor

Definition at line 1266 of file spxmainsm.h.

References m_j, m_origlower, m_origupper, SPxMainSM< R >::PostStep::PostStep(), and TightenBoundsPS().

Member Function Documentation

clone()

template<class R>

virtual PostStep * clone ( ) const

virtual

clone function for polymorphism

Implements SPxMainSM< R >::PostStep.

Definition at line 1278 of file spxmainsm.h.

References SPxMainSM< R >::PostStep::PostStep(), soplex::spx_alloc(), and TightenBoundsPS().

execute()

template<class R>

virtual void execute ( VectorBase< R > & x, VectorBase< R > & y, VectorBase< R > & s, VectorBase< R > & r, DataArray< typename SPxSolverBase< R >::VarStatus > & cBasis, DataArray< typename SPxSolverBase< R >::VarStatus > & rBasis, bool isOptimal ) const

virtual

Implements SPxMainSM< R >::PostStep.

operator=()

template<class R>

TightenBoundsPS & operator=

(

const TightenBoundsPS &

rhs

)

assignment operator

Definition at line 1273 of file spxmainsm.h.

References TightenBoundsPS().

Member Data Documentation

m_j

template<class R>

const int m_j

private

Definition at line 1251 of file spxmainsm.h.

Referenced by TightenBoundsPS(), and TightenBoundsPS().

m_origlower

template<class R>

const R m_origlower

private

Definition at line 1253 of file spxmainsm.h.

Referenced by TightenBoundsPS(), and TightenBoundsPS().

m_origupper

template<class R>

const R m_origupper

private

Definition at line 1252 of file spxmainsm.h.

Referenced by TightenBoundsPS(), and TightenBoundsPS().