SPxMainSM< R >::FixVariablePS Class Reference

Postsolves variable fixing. More...

Inheritance diagram for SPxMainSM< R >::FixVariablePS:

Public Member Functions
	FixVariablePS (const SPxLPBase< R > &lp, SPxMainSM &simplifier, int _j, const R val, std::shared_ptr< Tolerances > tols, bool correctIdx=true)
	FixVariablePS (const FixVariablePS &old)
	copy constructor
FixVariablePS &	operator= (const FixVariablePS &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 int	m_old_j
const R	m_val
const R	m_obj
const R	m_lower
const R	m_upper
const bool	m_correctIdx
DSVectorBase< R >	m_col
	does the index mapping have to be updated in postsolving?

Detailed Description

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

Postsolves variable fixing.

Definition at line 480 of file spxmainsm.h.

Constructor & Destructor Documentation

FixVariablePS() [1/2]

template<class R>

FixVariablePS	(	const SPxLPBase< R > &	lp,
		SPxMainSM &	simplifier,
		int	_j,
		const R	val,
		std::shared_ptr< Tolerances >	tols,
		bool	correctIdx = true )

Definition at line 494 of file spxmainsm.h.

References SPxSimplifier< R >::addObjoffset(), m_col, m_correctIdx, m_j, m_lower, m_obj, m_old_j, m_upper, m_val, SPxMainSM< R >::PostStep::nCols, SPxMainSM< R >::PostStep::nRows, SPxLPBase< R >::obj(), SPxMainSM< R >::PostStep::PostStep(), and SPxMainSM< R >::SPxMainSM().

Referenced by FixVariablePS(), and operator=().

FixVariablePS() [2/2]

template<class R>

FixVariablePS

(

const FixVariablePS &

old

)

copy constructor

Definition at line 509 of file spxmainsm.h.

References FixVariablePS(), m_col, m_correctIdx, m_j, m_lower, m_obj, m_old_j, m_upper, m_val, and SPxMainSM< R >::PostStep::PostStep().

Member Function Documentation

clone()

template<class R>

virtual PostStep * clone ( ) const

virtual

clone function for polymorphism

Implements SPxMainSM< R >::PostStep.

Definition at line 532 of file spxmainsm.h.

References SPxMainSM< R >::FixVariablePS, and SPxMainSM< R >::PostStep::PostStep().

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>

FixVariablePS & operator=

(

const FixVariablePS &

rhs

)

assignment operator

Definition at line 521 of file spxmainsm.h.

References FixVariablePS(), m_col, and SPxMainSM< R >::PostStep::operator=().

Member Data Documentation

m_col

template<class R>

DSVectorBase<R> m_col

private

does the index mapping have to be updated in postsolving?

Definition at line 490 of file spxmainsm.h.

Referenced by FixVariablePS(), FixVariablePS(), and operator=().

m_correctIdx

template<class R>

const bool m_correctIdx

private

Definition at line 489 of file spxmainsm.h.

Referenced by FixVariablePS(), and FixVariablePS().

m_j

template<class R>

const int m_j

private

Definition at line 483 of file spxmainsm.h.

Referenced by FixVariablePS(), and FixVariablePS().

m_lower

template<class R>

const R m_lower

private

Definition at line 487 of file spxmainsm.h.

Referenced by FixVariablePS(), and FixVariablePS().

m_obj

template<class R>

const R m_obj

private

Definition at line 486 of file spxmainsm.h.

Referenced by FixVariablePS(), and FixVariablePS().

m_old_j

template<class R>

const int m_old_j

private

Definition at line 484 of file spxmainsm.h.

Referenced by FixVariablePS(), and FixVariablePS().

m_upper

template<class R>

const R m_upper

private

Definition at line 488 of file spxmainsm.h.

Referenced by FixVariablePS(), and FixVariablePS().

m_val

template<class R>

const R m_val

private

Definition at line 485 of file spxmainsm.h.

Referenced by FixVariablePS(), and FixVariablePS().