PricingType Class Reference

Detailed Description

Definition at line 41 of file class_pricingtype.h.

#include <class_pricingtype.h>

Public Member Functions
	PricingType ()
	PricingType (SCIP *p_scip)
virtual	~PricingType ()
virtual SCIP_Real	consGetDual (SCIP *scip, SCIP_CONS *cons) const =0
virtual SCIP_Real	rowGetDual (SCIP_ROW *row) const =0
virtual SCIP_Real	varGetObj (SCIP_VAR *var) const =0
virtual SCIP_RETCODE	addParameters ()=0
virtual SCIP_RETCODE	startClock ()
virtual SCIP_RETCODE	stopClock ()
virtual SCIP_Real	getClockTime () const
virtual int	getMaxrounds () const
virtual int	getMaxcolsround () const =0
virtual int	getMaxcolsprob () const =0
int	getMaxsuccessfulprobs () const
virtual SCIP_Real	getRelmaxprobs () const =0
SCIP_Real	getRelmaxsuccessfulprobs () const
GCG_PRICETYPE	getType () const
int	getCalls () const
virtual void	incCalls ()
SCIP_RETCODE	resetCalls ()

Protected Attributes
SCIP *	scip_
GCG_PRICETYPE	type
SCIP_CLOCK *	clock
int	calls
int	maxrounds
int	maxcolsroundroot
int	maxcolsround
int	maxcolsprobroot
int	maxcolsprob
int	maxsuccessfulprobs
SCIP_Real	relmaxprobsroot
SCIP_Real	relmaxprobs
SCIP_Real	relmaxsuccessfulprobs

Constructor & Destructor Documentation

PricingType() [1/2]

PricingType::PricingType

(

)

constructor

PricingType() [2/2]

PricingType::PricingType

(

SCIP *

p_scip

)

Definition at line 72 of file class_pricingtype.cpp.

References calls, clock, GCG_PRICETYPE_UNKNOWN, maxcolsprob, maxcolsprobroot, maxcolsround, maxcolsroundroot, maxrounds, maxsuccessfulprobs, relmaxprobs, relmaxprobsroot, relmaxsuccessfulprobs, scip_, SCIP_CALL_EXC, and type.

~PricingType()

PricingType::~PricingType ( )

virtual

destructor

Definition at line 96 of file class_pricingtype.cpp.

References clock, and scip_.

Member Function Documentation

consGetDual()

virtual SCIP_Real PricingType::consGetDual ( SCIP *  scip, SCIP_CONS *  cons  ) const

pure virtual

get dual value of a constraint

Parameters

scip	SCIP data structure
cons	constraint to get dual for

Implemented in FarkasPricing, and ReducedCostPricing.

Referenced by gcg::Stabilization::consGetDual(), gcg::Stabilization::convGetDual(), ObjPricerGcg::getConvconsDualsol(), ObjPricerGcg::getStabilizedDualObjectiveValue(), gcg::Stabilization::linkingconsGetDual(), and ObjPricerGcg::setPricingObjs().

rowGetDual()

virtual SCIP_Real PricingType::rowGetDual ( SCIP_ROW *  row ) const

pure virtual

get dual value of a row

Parameters

row	row to get dual value for

Implemented in FarkasPricing, and ReducedCostPricing.

Referenced by ObjPricerGcg::getStabilizedDualObjectiveValue(), gcg::Stabilization::rowGetDual(), and ObjPricerGcg::setPricingObjs().

varGetObj()

virtual SCIP_Real PricingType::varGetObj ( SCIP_VAR *  var ) const

pure virtual

get objective value of variable

Parameters

var	variable to get objective value for

Implemented in FarkasPricing, and ReducedCostPricing.

Referenced by ObjPricerGcg::setPricingObjs().

addParameters()

virtual SCIP_RETCODE PricingType::addParameters ( )

pure virtual

adds parameters to the SCIP data structure

Implemented in FarkasPricing, and ReducedCostPricing.

startClock()

SCIP_RETCODE PricingType::startClock ( )

virtual

starts the clock

Definition at line 103 of file class_pricingtype.cpp.

References clock, and scip_.

stopClock()

SCIP_RETCODE PricingType::stopClock ( )

virtual

stops the clock

Definition at line 109 of file class_pricingtype.cpp.

References clock, and scip_.

getClockTime()

SCIP_Real PricingType::getClockTime ( ) const

virtual

returns the time of the clock

Definition at line 115 of file class_pricingtype.cpp.

References clock, and scip_.

Referenced by GCGpricerPrintStatistics(), and ObjPricerGcg::pricingLoop().

getMaxrounds()

virtual int PricingType::getMaxrounds ( ) const

inlinevirtual

returns the maximal number of rounds

Definition at line 102 of file class_pricingtype.h.

References maxrounds.

getMaxcolsround()

virtual int PricingType::getMaxcolsround ( ) const

pure virtual

returns the maximal number of columns per pricing round

Implemented in FarkasPricing, and ReducedCostPricing.

Referenced by gcg::Pricingcontroller::canPricingloopBeAborted().

getMaxcolsprob()

virtual int PricingType::getMaxcolsprob ( ) const

pure virtual

returns the maximal number of columns per problem to be generated during pricing

Implemented in FarkasPricing, and ReducedCostPricing.

getMaxsuccessfulprobs()

int PricingType::getMaxsuccessfulprobs ( ) const

inline

returns the maximal number of successfully solved pricing problems

Definition at line 114 of file class_pricingtype.h.

References maxsuccessfulprobs.

getRelmaxprobs()

virtual SCIP_Real PricingType::getRelmaxprobs ( ) const

pure virtual

returns the maximal percentage of pricing problems that are solved if variables have already been found

Implemented in FarkasPricing, and ReducedCostPricing.

Referenced by gcg::Pricingcontroller::canPricingloopBeAborted().

getRelmaxsuccessfulprobs()

SCIP_Real PricingType::getRelmaxsuccessfulprobs ( ) const

inline

returns the maximal percentage of pricing problems that need to be solved successfully

Definition at line 123 of file class_pricingtype.h.

References relmaxsuccessfulprobs.

Referenced by gcg::Pricingcontroller::canPricingloopBeAborted().

getType()

GCG_PRICETYPE PricingType::getType ( ) const

inline

returns the type of this pricing type

Definition at line 129 of file class_pricingtype.h.

References type.

Referenced by gcg::Pricingcontroller::collectResults(), ObjPricerGcg::createNewMasterVar(), ObjPricerGcg::createNewMasterVarFromGcgCol(), ObjPricerGcg::priceNewVariables(), and ObjPricerGcg::pricingLoop().

getCalls()

int PricingType::getCalls ( ) const

inline

returns the number of calls so far

Definition at line 135 of file class_pricingtype.h.

References calls.

Referenced by GCGpricerPrintStatistics(), and ObjPricerGcg::priceNewVariables().

incCalls()

virtual void PricingType::incCalls ( )

inlinevirtual

increases the number of calls

Definition at line 141 of file class_pricingtype.h.

References calls.

Referenced by ObjPricerGcg::priceNewVariables().

resetCalls()

SCIP_RETCODE PricingType::resetCalls ( )

inline

resets the number of calls and the clock for a restart

Definition at line 147 of file class_pricingtype.h.

References calls, clock, and scip_.

Field Documentation

scip_

SCIP* PricingType::scip_

protected

SCIP instance (master problem)

Definition at line 44 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), FarkasPricing::addParameters(), getClockTime(), ReducedCostPricing::getMaxcolsprob(), ReducedCostPricing::getMaxcolsround(), ReducedCostPricing::getRelmaxprobs(), PricingType(), resetCalls(), startClock(), stopClock(), and ~PricingType().

type

GCG_PRICETYPE PricingType::type

protected

type of pricing

Definition at line 45 of file class_pricingtype.h.

Referenced by FarkasPricing::FarkasPricing(), getType(), PricingType(), and ReducedCostPricing::ReducedCostPricing().

clock

SCIP_CLOCK* PricingType::clock

protected

CPU clock

Definition at line 46 of file class_pricingtype.h.

Referenced by getClockTime(), PricingType(), resetCalls(), startClock(), stopClock(), and ~PricingType().

calls

int PricingType::calls

protected

number of times this type of pricing was called

Definition at line 48 of file class_pricingtype.h.

Referenced by getCalls(), incCalls(), PricingType(), and resetCalls().

maxrounds

int PricingType::maxrounds

protected

maximal number of pricing rounds

Definition at line 49 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), getMaxrounds(), and PricingType().

maxcolsroundroot

int PricingType::maxcolsroundroot

protected

maximal number of columns per pricing round at root node

Definition at line 50 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), ReducedCostPricing::getMaxcolsround(), and PricingType().

maxcolsround

int PricingType::maxcolsround

protected

maximal number of columns per pricing round

Definition at line 51 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), FarkasPricing::addParameters(), ReducedCostPricing::getMaxcolsround(), FarkasPricing::getMaxcolsround(), and PricingType().

maxcolsprobroot

int PricingType::maxcolsprobroot

protected

maximal number of columns per problem to be generated at root node

Definition at line 52 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), ReducedCostPricing::getMaxcolsprob(), and PricingType().

maxcolsprob

int PricingType::maxcolsprob

protected

maximal number of columns per problem to be generated

Definition at line 53 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), FarkasPricing::addParameters(), ReducedCostPricing::getMaxcolsprob(), FarkasPricing::getMaxcolsprob(), and PricingType().

maxsuccessfulprobs

int PricingType::maxsuccessfulprobs

protected

maximal number of successfully solved pricing problems until pricing loop is aborted

Definition at line 54 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), getMaxsuccessfulprobs(), and PricingType().

relmaxprobsroot

SCIP_Real PricingType::relmaxprobsroot

protected

maximal percentage of pricing problems that are solved at root node if variables have already been found

Definition at line 56 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), ReducedCostPricing::getRelmaxprobs(), and PricingType().

relmaxprobs

SCIP_Real PricingType::relmaxprobs

protected

maximal percentage of pricing problems that are solved if variables have already been found

Definition at line 58 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), FarkasPricing::addParameters(), ReducedCostPricing::getRelmaxprobs(), FarkasPricing::getRelmaxprobs(), and PricingType().

relmaxsuccessfulprobs

SCIP_Real PricingType::relmaxsuccessfulprobs

protected

maximal percentage of pricing problems that need to be solved successfully

Definition at line 60 of file class_pricingtype.h.

Referenced by ReducedCostPricing::addParameters(), getRelmaxsuccessfulprobs(), and PricingType().