Postsolves the case when constraints are removed due to a variable with zero objective that is free in one direction. More...

Public Member Functions
	FreeZeroObjVariablePS (const SPxLPBase< R > &lp, int _j, bool loFree, DSVectorBase< R > col_idx_sorted, std::shared_ptr< Tolerances > tols)

	FreeZeroObjVariablePS (const FreeZeroObjVariablePS &old)
	copy constructor More...

FreeZeroObjVariablePS &	operator= (const FreeZeroObjVariablePS &rhs)
	assignment operator More...

virtual PostStep *	clone () const
	clone function for polymorphism More...

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. More...

	PostStep (const PostStep &old)
	copy constructor. More...

PostStep &	operator= (const PostStep &)
	assignment operator More...

virtual	~PostStep ()
	destructor. More...

virtual const char *	getName () const
	get name of simplifying step. More...

virtual PostStep *	clone () const =0
	clone function for polymorphism More...

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 =0
	executes the postsolving. More...

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 int	m_old_i

const R	m_bnd

DSVectorBase< R >	m_col

DSVectorBase< R >	m_lRhs

DSVectorBase< R >	m_rowObj

Array< DSVectorBase< R > >	m_rows

const bool	m_loFree

Detailed Description

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

Postsolves the case when constraints are removed due to a variable with zero objective that is free in one direction.

Definition at line 604 of file spxmainsm.h.

Constructor & Destructor Documentation

◆ FreeZeroObjVariablePS() [1/2]

FreeZeroObjVariablePS	(	const SPxLPBase< R > &	lp,
		int	_j,
		bool	loFree,
		DSVectorBase< R >	col_idx_sorted,
		std::shared_ptr< Tolerances >	tols
	)

Definition at line 619 of file spxmainsm.h.

References SPxLPBase< R >::lhs(), SPxMainSM< R >::FreeZeroObjVariablePS::m_col, SPxMainSM< R >::FreeZeroObjVariablePS::m_loFree, SPxMainSM< R >::FreeZeroObjVariablePS::m_lRhs, SPxMainSM< R >::FreeZeroObjVariablePS::m_rowObj, SPxMainSM< R >::FreeZeroObjVariablePS::m_rows, SPxLPBase< R >::rhs(), SPxLPBase< R >::rowObj(), and SPxLPBase< R >::rowVector().

Referenced by SPxMainSM< R >::FreeZeroObjVariablePS::clone().

◆ FreeZeroObjVariablePS() [2/2]

FreeZeroObjVariablePS ( const FreeZeroObjVariablePS & old )

copy constructor

Definition at line 647 of file spxmainsm.h.

Member Function Documentation

◆ clone()

virtual PostStep * clone ( ) const

virtual

clone function for polymorphism

Implements SPxMainSM< R >::PostStep.

Definition at line 674 of file spxmainsm.h.

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

◆ execute()

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