SPxMainSM::DoubletonEquationPS Class Reference

Postsolves doubleton equations combined with a column singleton. More...

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

Private Attributes
const int	m_j
const int	m_k
const int	m_i
const bool	m_maxSense
const bool	m_jFixed
const Real	m_jObj
const Real	m_kObj
const Real	m_aij
const bool	m_strictLo
const bool	m_strictUp
const Real	m_newLo
const Real	m_newUp
const Real	m_oldLo
const Real	m_oldUp
const Real	m_Lo_j
const Real	m_Up_j
const Real	m_lhs
const Real	m_rhs
DSVector	m_col

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

Detailed Description

Postsolves doubleton equations combined with a column singleton.

Definition at line 779 of file spxmainsm.h.

Constructor & Destructor Documentation

DoubletonEquationPS() [1/2]

DoubletonEquationPS	(	const SPxLP &	lp,
		int	_j,
		int	_k,
		int	_i,
		Real	oldLo,
		Real	oldUp
	)

Definition at line 804 of file spxmainsm.h.

DoubletonEquationPS() [2/2]

DoubletonEquationPS

(

const DoubletonEquationPS &

old

)

copy constructor

Definition at line 827 of file spxmainsm.h.

Member Function Documentation

clone()

virtual PostStep* clone ( ) const

virtual

clone function for polymorphism

Implements SPxMainSM::PostStep.

Definition at line 861 of file spxmainsm.h.

References SPxMainSM::DoubletonEquationPS, SPxMainSM::PostStep::execute(), and soplex::spx_alloc().

execute()

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

virtual

Implements SPxMainSM::PostStep.

Definition at line 868 of file spxmainsm.cpp.

References ASSERT_WARN, SPxSolver::BASIC, SPxMainSM::PostStep::checkBasisDim(), soplex::EQ(), SPxSolver::FIXED, soplex::GT(), soplex::isNotZero(), soplex::isZero(), SPxSolver::ON_LOWER, and SPxSolver::ON_UPPER.

operator=()

DoubletonEquationPS& operator=

(

const DoubletonEquationPS &

rhs

)

assignment operator

Definition at line 850 of file spxmainsm.h.

References SPxMainSM::DoubletonEquationPS::m_col, and SPxMainSM::PostStep::operator=().

Member Data Documentation

m_aij

const Real m_aij

private

Definition at line 789 of file spxmainsm.h.

m_col

DSVector m_col

private

Definition at line 800 of file spxmainsm.h.

Referenced by SPxMainSM::DoubletonEquationPS::operator=().

m_i

const int m_i

private

Definition at line 784 of file spxmainsm.h.

m_j

const int m_j

private

Definition at line 782 of file spxmainsm.h.

m_jFixed

const bool m_jFixed

private

Definition at line 786 of file spxmainsm.h.

m_jObj

const Real m_jObj

private

Definition at line 787 of file spxmainsm.h.

m_k

const int m_k

private

Definition at line 783 of file spxmainsm.h.

m_kObj

const Real m_kObj

private

Definition at line 788 of file spxmainsm.h.

m_lhs

const Real m_lhs

private

Definition at line 798 of file spxmainsm.h.

m_Lo_j

const Real m_Lo_j

private

Definition at line 796 of file spxmainsm.h.

m_maxSense

const bool m_maxSense

private

Definition at line 785 of file spxmainsm.h.

m_newLo

const Real m_newLo

private

Definition at line 792 of file spxmainsm.h.

m_newUp

const Real m_newUp

private

Definition at line 793 of file spxmainsm.h.

m_oldLo

const Real m_oldLo

private

Definition at line 794 of file spxmainsm.h.

m_oldUp

const Real m_oldUp

private

Definition at line 795 of file spxmainsm.h.

m_rhs

const Real m_rhs

private

Definition at line 799 of file spxmainsm.h.

m_strictLo

const bool m_strictLo

private

Definition at line 790 of file spxmainsm.h.

m_strictUp

const bool m_strictUp

private

Definition at line 791 of file spxmainsm.h.

m_Up_j

const Real m_Up_j

private

Definition at line 797 of file spxmainsm.h.