Bonmin::LpBranchingSolver Class Reference

Implementation of BonChooseVariable for curvature-based braching. More...

#include <BonLpBranchingSolver.hpp>

Inheritance diagram for Bonmin::LpBranchingSolver:

Collaboration diagram for Bonmin::LpBranchingSolver:

Public Member Functions
	LpBranchingSolver (BabSetupBase *b)
	Constructor from setup. More...
	LpBranchingSolver (const LpBranchingSolver &)
	Copy constructor. More...
LpBranchingSolver &	operator= (const LpBranchingSolver &rhs)
	Assignment operator. More...
virtual	~LpBranchingSolver ()
	Destructor. More...
virtual void	markHotStart (OsiTMINLPInterface *tminlp_interface)
	Called to initialize solver before a bunch of strong branching solves. More...
virtual TNLPSolver::ReturnStatus	solveFromHotStart (OsiTMINLPInterface *tminlp_interface)
	Called to solve the current TMINLP (with changed bound information) More...
virtual void	unmarkHotStart (OsiTMINLPInterface *tminlp_interface)
	Called after all strong branching solves in a node. More...
void	setMaxCuttingPlaneIter (int num)
Public Member Functions inherited from Bonmin::StrongBranchingSolver
	StrongBranchingSolver (OsiTMINLPInterface *solver)
	Constructor from solver. More...
StrongBranchingSolver &	operator= (const StrongBranchingSolver &rhs)
	Assignment operator. More...
	StrongBranchingSolver (const StrongBranchingSolver &rhs)
	Copy constructor. More...
virtual	~StrongBranchingSolver ()
	Destructor. More...

Static Public Member Functions
static void	registerOptions (Ipopt::SmartPtr< Bonmin::RegisteredOptions > roptions)

Private Types
enum	WarmStartMethod { Basis =0, Clone }

Private Member Functions
	LpBranchingSolver ()
	Default Constructor. More...

Private Attributes
OsiSolverInterface *	lin_
	Linear solver. More...
CoinWarmStart *	warm_
	Warm start object for linear solver. More...
EcpCuts *	ecp_
	Ecp cut generate. More...
int	maxCuttingPlaneIterations_
	Number of maximal ECP cuts. More...
double	abs_ecp_tol_
	absolute tolerance for ECP cuts More...
double	rel_ecp_tol_
	relative tolerance for ECP cuts More...
WarmStartMethod	warm_start_mode_
	Way problems are warm started. More...

Additional Inherited Members
Protected Member Functions inherited from Bonmin::StrongBranchingSolver
Ipopt::SmartPtr < Ipopt::Journalist > &	Jnlst ()
Ipopt::SmartPtr < Ipopt::OptionsList > &	Options ()
Ipopt::SmartPtr < RegisteredOptions > &	RegOptions ()

Detailed Description

Implementation of BonChooseVariable for curvature-based braching.

Definition at line 15 of file BonLpBranchingSolver.hpp.

Member Enumeration Documentation

enum Bonmin::LpBranchingSolver::WarmStartMethod

private

Enumerator
Basis
Clone	clone problem

Definition at line 71 of file BonLpBranchingSolver.hpp.

Constructor & Destructor Documentation

Bonmin::LpBranchingSolver::LpBranchingSolver

(

BabSetupBase *

b

)

Constructor from setup.

Definition at line 12 of file BonLpBranchingSolver.cpp.

Bonmin::LpBranchingSolver::LpBranchingSolver

(

const LpBranchingSolver &

rhs

)

Copy constructor.

Definition at line 38 of file BonLpBranchingSolver.cpp.

Bonmin::LpBranchingSolver::~LpBranchingSolver ( )

virtual

Destructor.

Definition at line 69 of file BonLpBranchingSolver.cpp.

Bonmin::LpBranchingSolver::LpBranchingSolver ( )

private

Default Constructor.

Member Function Documentation

LpBranchingSolver & Bonmin::LpBranchingSolver::operator=

(

const LpBranchingSolver &

rhs

)

Assignment operator.

Definition at line 50 of file BonLpBranchingSolver.cpp.

void Bonmin::LpBranchingSolver::markHotStart ( OsiTMINLPInterface *  tminlp_interface )

virtual

Called to initialize solver before a bunch of strong branching solves.

Implements Bonmin::StrongBranchingSolver.

Definition at line 77 of file BonLpBranchingSolver.cpp.

TNLPSolver::ReturnStatus Bonmin::LpBranchingSolver::solveFromHotStart ( OsiTMINLPInterface *  tminlp_interface )

virtual

Called to solve the current TMINLP (with changed bound information)

Implements Bonmin::StrongBranchingSolver.

Definition at line 107 of file BonLpBranchingSolver.cpp.

void Bonmin::LpBranchingSolver::unmarkHotStart ( OsiTMINLPInterface *  tminlp_interface )

virtual

Called after all strong branching solves in a node.

Implements Bonmin::StrongBranchingSolver.

Definition at line 95 of file BonLpBranchingSolver.cpp.

void Bonmin::LpBranchingSolver::setMaxCuttingPlaneIter ( int  num )

inline

Definition at line 41 of file BonLpBranchingSolver.hpp.

void Bonmin::LpBranchingSolver::registerOptions ( Ipopt::SmartPtr< Bonmin::RegisteredOptions >  roptions )

static

Definition at line 200 of file BonLpBranchingSolver.cpp.

Member Data Documentation

OsiSolverInterface* Bonmin::LpBranchingSolver::lin_

private

Linear solver.

Definition at line 53 of file BonLpBranchingSolver.hpp.

CoinWarmStart* Bonmin::LpBranchingSolver::warm_

private

Warm start object for linear solver.

Definition at line 56 of file BonLpBranchingSolver.hpp.

EcpCuts* Bonmin::LpBranchingSolver::ecp_

private

Ecp cut generate.

Definition at line 59 of file BonLpBranchingSolver.hpp.

int Bonmin::LpBranchingSolver::maxCuttingPlaneIterations_

private

Number of maximal ECP cuts.

Definition at line 62 of file BonLpBranchingSolver.hpp.

double Bonmin::LpBranchingSolver::abs_ecp_tol_

private

absolute tolerance for ECP cuts

Definition at line 65 of file BonLpBranchingSolver.hpp.

double Bonmin::LpBranchingSolver::rel_ecp_tol_

private

relative tolerance for ECP cuts

Definition at line 68 of file BonLpBranchingSolver.hpp.

WarmStartMethod Bonmin::LpBranchingSolver::warm_start_mode_

private

Way problems are warm started.

Definition at line 76 of file BonLpBranchingSolver.hpp.

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The documentation for this class was generated from the following files:

• /tmp/OS-2.10.2/Bonmin/src/Algorithms/Branching/BonLpBranchingSolver.hpp
• /tmp/OS-2.10.2/Bonmin/src/Algorithms/Branching/BonLpBranchingSolver.cpp