SCIP_PricerData Struct Reference

Detailed Description

variable pricer data

Definition at line 145 of file pricer_gcg.cpp.

Data Fields
int	npricingprobs
SCIP **	pricingprobs
SCIP_Real *	dualsolconv
SCIP_Real *	solvals
int	maxsolvals
int *	npointsprob
int *	nraysprob
SCIP_Longint	currnodenr
SCIP_Bool	newnode
SCIP_HASHMAP *	mapcons2idx
int	npricingprobsnotnull
SCIP_VAR **	pricedvars
int	npricedvars
int	maxpricedvars
SCIP_VAR **	artificialvars
int	nartificialvars
int	maxartificialvars
SCIP_Bool	artificialused
SCIP_Real **	realdualvalues
int *	maxrealdualvalues
int	maxrealdualvaluescapacity
SCIP_CLOCK *	freeclock
SCIP_CLOCK *	transformclock
int	solvedsubmipsoptimal
int	solvedsubmipsheur
int	calls
SCIP_Longint	pricingiters
GCG_SOLVER **	solvers
int	nsolvers
SCIP_EVENTHDLR *	eventhdlr
SCIP_VARTYPE	vartype
int	nroundsredcost
SCIP_Bool	abortpricingint
SCIP_Bool	dispinfos
int	disablecutoff
SCIP_Real	abortpricinggap
SCIP_Bool	stabilization
SCIP_Bool	stabilizationtree
SCIP_Bool	usecolpool
SCIP_Bool	useartificialvars
SCIP_Real	maxobj
SCIP_Bool	usemaxobj
SCIP_Bool	onlyreliablebigm
SCIP_Real	factorunreliable
SCIP_Real	bigmartificial
SCIP_Bool	hybridascent
SCIP_Bool	hybridascentnoagg
int	colpoolagelimit
SCIP_Real	redcostfac
SCIP_Real	objparalfac
SCIP_Real	orthofac
SCIP_Real	mincolorth
SCIP_Real	maxpricecols
SCIP_Real	maxpricecolsfarkas
GCG_EFFICIACYCHOICE	efficiacychoice
int	oldvars
int *	farkascallsdist
int *	farkasfoundvars
double *	farkasnodetimedist
int *	redcostcallsdist
int *	redcostfoundvars
double *	redcostnodetimedist
double	rootnodedegeneracy
double	avgrootnodedegeneracy
int	ndegeneracycalcs

Field Documentation

npricingprobs

int SCIP_PricerData::npricingprobs

number of pricing problems

Definition at line 147 of file pricer_gcg.cpp.

pricingprobs

SCIP** SCIP_PricerData::pricingprobs

pointers to the pricing problems

Definition at line 148 of file pricer_gcg.cpp.

dualsolconv

SCIP_Real* SCIP_PricerData::dualsolconv

array of dual solutions for the convexity constraints

Definition at line 149 of file pricer_gcg.cpp.

solvals

SCIP_Real* SCIP_PricerData::solvals

solution values of variables in the pricing problems

Definition at line 150 of file pricer_gcg.cpp.

maxsolvals

int SCIP_PricerData::maxsolvals

capacity of solvals

Definition at line 151 of file pricer_gcg.cpp.

npointsprob

int* SCIP_PricerData::npointsprob

number of variables representing points created by the pricing probs

Definition at line 152 of file pricer_gcg.cpp.

nraysprob

int* SCIP_PricerData::nraysprob

number of variables representing rays created by the pricing probs

Definition at line 153 of file pricer_gcg.cpp.

currnodenr

SCIP_Longint SCIP_PricerData::currnodenr

current node number in the masterproblem

Definition at line 154 of file pricer_gcg.cpp.

newnode

SCIP_Bool SCIP_PricerData::newnode

indicate whether we are at a new branch-and-bound node

Definition at line 155 of file pricer_gcg.cpp.

mapcons2idx

SCIP_HASHMAP* SCIP_PricerData::mapcons2idx

hashmap mapping constraints to their index in the conss array

Definition at line 156 of file pricer_gcg.cpp.

npricingprobsnotnull

int SCIP_PricerData::npricingprobsnotnull

number of non-Null pricing problems

Definition at line 157 of file pricer_gcg.cpp.

pricedvars

SCIP_VAR** SCIP_PricerData::pricedvars

array of all priced variables

Definition at line 159 of file pricer_gcg.cpp.

npricedvars

int SCIP_PricerData::npricedvars

number of priced variables

Definition at line 160 of file pricer_gcg.cpp.

maxpricedvars

int SCIP_PricerData::maxpricedvars

maximal number of priced variables

Definition at line 161 of file pricer_gcg.cpp.

artificialvars

SCIP_VAR** SCIP_PricerData::artificialvars

array of artificial variables

Definition at line 163 of file pricer_gcg.cpp.

nartificialvars

int SCIP_PricerData::nartificialvars

number of artificial variables

Definition at line 164 of file pricer_gcg.cpp.

maxartificialvars

int SCIP_PricerData::maxartificialvars

capacity of artificialvars

Definition at line 165 of file pricer_gcg.cpp.

artificialused

SCIP_Bool SCIP_PricerData::artificialused

returns if artificial variables are used in current node's LP solution

Definition at line 166 of file pricer_gcg.cpp.

realdualvalues

SCIP_Real** SCIP_PricerData::realdualvalues

real dual values for pricing variables

Definition at line 168 of file pricer_gcg.cpp.

maxrealdualvalues

int* SCIP_PricerData::maxrealdualvalues

capacities of realdualvalues

Definition at line 169 of file pricer_gcg.cpp.

maxrealdualvaluescapacity

int SCIP_PricerData::maxrealdualvaluescapacity

capacity of maxrealdualvalues

Definition at line 170 of file pricer_gcg.cpp.

freeclock

SCIP_CLOCK* SCIP_PricerData::freeclock

time for freeing pricing problems

Definition at line 173 of file pricer_gcg.cpp.

transformclock

SCIP_CLOCK* SCIP_PricerData::transformclock

time for transforming pricing problems

Definition at line 174 of file pricer_gcg.cpp.

solvedsubmipsoptimal

int SCIP_PricerData::solvedsubmipsoptimal

number of optimal pricing runs

Definition at line 175 of file pricer_gcg.cpp.

solvedsubmipsheur

int SCIP_PricerData::solvedsubmipsheur

number of heuristical pricing runs

Definition at line 176 of file pricer_gcg.cpp.

calls

int SCIP_PricerData::calls

number of total pricing calls

Definition at line 177 of file pricer_gcg.cpp.

pricingiters

SCIP_Longint SCIP_PricerData::pricingiters

sum of all pricing simplex iterations

Definition at line 178 of file pricer_gcg.cpp.

solvers

GCG_SOLVER** SCIP_PricerData::solvers

pricing solvers array

Definition at line 181 of file pricer_gcg.cpp.

nsolvers

int SCIP_PricerData::nsolvers

number of pricing solvers

Definition at line 182 of file pricer_gcg.cpp.

eventhdlr

SCIP_EVENTHDLR* SCIP_PricerData::eventhdlr

event handler

Definition at line 185 of file pricer_gcg.cpp.

vartype

SCIP_VARTYPE SCIP_PricerData::vartype

vartype of created master variables

Definition at line 188 of file pricer_gcg.cpp.

nroundsredcost

int SCIP_PricerData::nroundsredcost

number of reduced cost rounds

Definition at line 189 of file pricer_gcg.cpp.

abortpricingint

SCIP_Bool SCIP_PricerData::abortpricingint

should the pricing be aborted on integral solutions?

Definition at line 190 of file pricer_gcg.cpp.

dispinfos

SCIP_Bool SCIP_PricerData::dispinfos

should pricing information be displayed?

Definition at line 191 of file pricer_gcg.cpp.

disablecutoff

int SCIP_PricerData::disablecutoff

should the cutoffbound be applied in master LP solving (0: on, 1:off, 2:auto)?

Definition at line 192 of file pricer_gcg.cpp.

abortpricinggap

SCIP_Real SCIP_PricerData::abortpricinggap

gap between dual bound and RMP objective at which pricing is aborted

Definition at line 193 of file pricer_gcg.cpp.

stabilization

SCIP_Bool SCIP_PricerData::stabilization

should stabilization be used

Definition at line 194 of file pricer_gcg.cpp.

stabilizationtree

SCIP_Bool SCIP_PricerData::stabilizationtree

should stabilization be used in nodes other than the root node

Definition at line 195 of file pricer_gcg.cpp.

usecolpool

SCIP_Bool SCIP_PricerData::usecolpool

should the colpool be checked for negative redcost cols before solving the pricing problems?

Definition at line 196 of file pricer_gcg.cpp.

useartificialvars

SCIP_Bool SCIP_PricerData::useartificialvars

use artificial variables to make RMP feasible (instead of applying Farkas pricing)

Definition at line 197 of file pricer_gcg.cpp.

maxobj

SCIP_Real SCIP_PricerData::maxobj

maxobj bound that can be used for big M objective of artificial variables

Definition at line 198 of file pricer_gcg.cpp.

usemaxobj

SCIP_Bool SCIP_PricerData::usemaxobj

use maxobj for big M objective of artificial variables

Definition at line 199 of file pricer_gcg.cpp.

onlyreliablebigm

SCIP_Bool SCIP_PricerData::onlyreliablebigm

only use maxobj for big M objective of artificial variables if it is reliable

Definition at line 200 of file pricer_gcg.cpp.

factorunreliable

SCIP_Real SCIP_PricerData::factorunreliable

factor to use for objective of unbounded variables

Definition at line 201 of file pricer_gcg.cpp.

bigmartificial

SCIP_Real SCIP_PricerData::bigmartificial

value for for big M objective of artificial variables (if maxobj is not used)

Definition at line 202 of file pricer_gcg.cpp.

hybridascent

SCIP_Bool SCIP_PricerData::hybridascent

should hybridization of smoothing with an ascent method be enabled

Definition at line 203 of file pricer_gcg.cpp.

hybridascentnoagg

SCIP_Bool SCIP_PricerData::hybridascentnoagg

should hybridization of smoothing with an ascent method be enabled if pricing problems cannot be aggregation

Definition at line 204 of file pricer_gcg.cpp.

colpoolagelimit

int SCIP_PricerData::colpoolagelimit

agelimit of columns in colpool

Definition at line 206 of file pricer_gcg.cpp.

redcostfac

SCIP_Real SCIP_PricerData::redcostfac

factor of -redcost/norm in score function

Definition at line 209 of file pricer_gcg.cpp.

objparalfac

SCIP_Real SCIP_PricerData::objparalfac

factor of objective parallelism in score function

Definition at line 210 of file pricer_gcg.cpp.

orthofac

SCIP_Real SCIP_PricerData::orthofac

factor of orthogonalities in score function

Definition at line 211 of file pricer_gcg.cpp.

mincolorth

SCIP_Real SCIP_PricerData::mincolorth

minimal orthogonality of columns to add (with respect to columns added in the current round)

Definition at line 212 of file pricer_gcg.cpp.

maxpricecols

SCIP_Real SCIP_PricerData::maxpricecols

maximum number of columns per round

Definition at line 214 of file pricer_gcg.cpp.

maxpricecolsfarkas

SCIP_Real SCIP_PricerData::maxpricecolsfarkas

maximum number of columns per Farkas round

Definition at line 215 of file pricer_gcg.cpp.

efficiacychoice

GCG_EFFICIACYCHOICE SCIP_PricerData::efficiacychoice

choice to base efficiacy on

Definition at line 216 of file pricer_gcg.cpp.

oldvars

int SCIP_PricerData::oldvars

Vars of last pricing iteration

Definition at line 219 of file pricer_gcg.cpp.

farkascallsdist

int* SCIP_PricerData::farkascallsdist

Calls of each farkas pricing problem

Definition at line 220 of file pricer_gcg.cpp.

farkasfoundvars

int* SCIP_PricerData::farkasfoundvars

Found vars of each farkas pricing problem

Definition at line 221 of file pricer_gcg.cpp.

farkasnodetimedist

double* SCIP_PricerData::farkasnodetimedist

Time spend in each farkas pricing problem

Definition at line 222 of file pricer_gcg.cpp.

redcostcallsdist

int* SCIP_PricerData::redcostcallsdist

Calls of each redcost pricing problem

Definition at line 224 of file pricer_gcg.cpp.

redcostfoundvars

int* SCIP_PricerData::redcostfoundvars

Found vars of each redcost pricing problem

Definition at line 225 of file pricer_gcg.cpp.

redcostnodetimedist

double* SCIP_PricerData::redcostnodetimedist

Time spend in each redcost pricing problem

Definition at line 226 of file pricer_gcg.cpp.

rootnodedegeneracy

double SCIP_PricerData::rootnodedegeneracy

degeneracy of the root node

Definition at line 227 of file pricer_gcg.cpp.

avgrootnodedegeneracy

double SCIP_PricerData::avgrootnodedegeneracy

average degeneray of all nodes

Definition at line 228 of file pricer_gcg.cpp.

ndegeneracycalcs

int SCIP_PricerData::ndegeneracycalcs

number of observations

Definition at line 229 of file pricer_gcg.cpp.