SPxMainSM::FreeColSingletonPS Class Reference

Postsolves free column singletons. More...

Inheritance diagram for SPxMainSM::FreeColSingletonPS:

Public Member Functions
	FreeColSingletonPS (const SPxLP &lp, SPxMainSM &simplifier, int _j, int _i, Real slackVal)
	FreeColSingletonPS (const FreeColSingletonPS &old)
	copy constructor
FreeColSingletonPS &	operator= (const FreeColSingletonPS &rhs)
	assignment operator
virtual PostStep *	clone () const
	clone function for polymorphism
virtual void	execute (DVector &x, DVector &y, DVector &s, DVector &r, DataArray< SPxSolver::VarStatus > &cBasis, DataArray< SPxSolver::VarStatus > &rBasis) const
Public Member Functions inherited from SPxMainSM::PostStep
	PostStep (const char *p_name, 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< SPxSolver::VarStatus > rows, DataArray< SPxSolver::VarStatus > cols) const

Private Attributes
const int	m_j
const int	m_i
const int	m_old_j
const int	m_old_i
const Real	m_obj
const Real	m_lRhs
const bool	m_onLhs
const bool	m_eqCons
DSVector	m_row

Additional Inherited Members
Static Public Member Functions inherited from SPxMainSM::PostStep
static Real	eps ()

Detailed Description

Postsolves free column singletons.

Definition at line 710 of file spxmainsm.h.

Constructor & Destructor Documentation

FreeColSingletonPS	(	const SPxLP &	lp,
		SPxMainSM &	simplifier,
		int	_j,
		int	_i,
		Real	slackVal
	)

Definition at line 725 of file spxmainsm.h.

References SPxSimplifier::addObjoffset(), SPxMainSM::FreeColSingletonPS::m_j, SPxMainSM::FreeColSingletonPS::m_lRhs, SPxMainSM::FreeColSingletonPS::m_row, and SPxLPBase< R >::obj().

Referenced by SPxMainSM::FreeColSingletonPS::clone().

FreeColSingletonPS

(

const FreeColSingletonPS &

old

)

copy constructor

Definition at line 741 of file spxmainsm.h.

Member Function Documentation

virtual PostStep* clone ( ) const

virtual

clone function for polymorphism

Implements SPxMainSM::PostStep.

Definition at line 765 of file spxmainsm.h.

References SPxMainSM::FreeColSingletonPS::FreeColSingletonPS(), and soplex::spx_alloc().

void execute ( DVector &  x, DVector &  y, DVector &  s, DVector &  r, DataArray< SPxSolver::VarStatus > &  cBasis, DataArray< SPxSolver::VarStatus > &  rBasis  ) const

virtual

Implements SPxMainSM::PostStep.

Definition at line 804 of file spxmainsm.cpp.

References SPxSolver::BASIC, SPxSolver::FIXED, soplex::isZero(), soplex::maxAbs(), SPxSolver::ON_LOWER, and SPxSolver::ON_UPPER.

FreeColSingletonPS& operator=

(

const FreeColSingletonPS &

rhs

)

assignment operator

Definition at line 754 of file spxmainsm.h.

References SPxMainSM::FreeColSingletonPS::m_row, and SPxMainSM::PostStep::operator=().

Member Data Documentation

const bool m_eqCons

private

Definition at line 720 of file spxmainsm.h.

const int m_i

private

Definition at line 714 of file spxmainsm.h.

const int m_j

private

Definition at line 713 of file spxmainsm.h.

Referenced by SPxMainSM::FreeColSingletonPS::FreeColSingletonPS().

const Real m_lRhs

private

Definition at line 718 of file spxmainsm.h.

Referenced by SPxMainSM::FreeColSingletonPS::FreeColSingletonPS().

const Real m_obj

private

Definition at line 717 of file spxmainsm.h.

const int m_old_i

private

Definition at line 716 of file spxmainsm.h.

const int m_old_j

private

Definition at line 715 of file spxmainsm.h.

const bool m_onLhs

private

Definition at line 719 of file spxmainsm.h.

DSVector m_row

private

Definition at line 721 of file spxmainsm.h.

Referenced by SPxMainSM::FreeColSingletonPS::FreeColSingletonPS(), and SPxMainSM::FreeColSingletonPS::operator=().