SPxMainSM< R >::FreeZeroObjVariablePS Class Reference

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 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 DSVectorBase< R >::add(), SVectorBase< R >::index(), SPxLPBase< R >::lhs(), SPxLPBase< R >::rhs(), SPxLPBase< R >::rowObj(), SPxLPBase< R >::rowVector(), SVectorBase< R >::size(), and SVectorBase< R >::value().

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 >::PostStep::execute(), SPxMainSM< R >::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

virtual

Implements SPxMainSM< R >::PostStep.

operator=()

FreeZeroObjVariablePS& operator=

(

const FreeZeroObjVariablePS &

rhs

)

assignment operator

Definition at line 660 of file spxmainsm.h.

References SPxMainSM< R >::FreeZeroObjVariablePS::m_col, SPxMainSM< R >::FreeZeroObjVariablePS::m_lRhs, SPxMainSM< R >::FreeZeroObjVariablePS::m_rowObj, SPxMainSM< R >::FreeZeroObjVariablePS::m_rows, and SPxMainSM< R >::PostStep::operator=().

Member Data Documentation

m_bnd

const R m_bnd

private

Definition at line 610 of file spxmainsm.h.

m_col

DSVectorBase<R> m_col

private

Definition at line 611 of file spxmainsm.h.

Referenced by SPxMainSM< R >::FreeZeroObjVariablePS::operator=().

m_j

const int m_j

private

Definition at line 607 of file spxmainsm.h.

m_loFree

const bool m_loFree

private

Definition at line 615 of file spxmainsm.h.

m_lRhs

DSVectorBase<R> m_lRhs

private

Definition at line 612 of file spxmainsm.h.

Referenced by SPxMainSM< R >::FreeZeroObjVariablePS::operator=().

m_old_i

const int m_old_i

private

Definition at line 609 of file spxmainsm.h.

m_old_j

const int m_old_j

private

Definition at line 608 of file spxmainsm.h.

m_rowObj

DSVectorBase<R> m_rowObj

private

Definition at line 613 of file spxmainsm.h.

Referenced by SPxMainSM< R >::FreeZeroObjVariablePS::operator=().

m_rows

Array<DSVectorBase<R> > m_rows

private

Definition at line 614 of file spxmainsm.h.

Referenced by SPxMainSM< R >::FreeZeroObjVariablePS::operator=().