GCG_PriceStore Struct Reference

Detailed Description

storage for priced cols

Definition at line 52 of file struct_pricestore_gcg.h.

#include <struct_pricestore_gcg.h>

Data Fields
SCIP *	scip
GCG_COL **	cols
SCIP_Real *	objparallelisms
SCIP_Real *	orthogonalities
SCIP_Real *	scores
int	colssize
int	ncols
int	nforcedcols
int	nefficaciouscols
int	ncolsfound
int	ncolsfoundround
int	ncolsapplied
SCIP_Bool	infarkas
SCIP_Bool	forcecols
SCIP_Real	efficiacyfac
SCIP_Real	objparalfac
SCIP_Real	orthofac
SCIP_Real	mincolorth
SCIP_CLOCK *	priceclock
GCG_EFFICIACYCHOICE	efficiacychoice

Field Documentation

scip

SCIP* GCG_PriceStore::scip

SCIP data structure

Definition at line 54 of file struct_pricestore_gcg.h.

Referenced by computeScore(), GCGpricestoreAddCol(), GCGpricestoreApplyCols(), GCGpricestoreClearCols(), GCGpricestoreGetTime(), GCGpricestoreRemoveInefficaciousCols(), pricestoreApplyCol(), pricestoreDelCol(), pricestoreEnsureColsMem(), and pricestoreUpdateOrthogonalities().

cols

GCG_COL** GCG_PriceStore::cols

array with priced cols sorted by score

Definition at line 55 of file struct_pricestore_gcg.h.

Referenced by computeScore(), GCGpricestoreAddCol(), GCGpricestoreApplyCols(), GCGpricestoreClearCols(), GCGpricestoreGetCols(), GCGpricestoreRemoveInefficaciousCols(), pricestoreDelCol(), pricestoreEnsureColsMem(), pricestoreFindEqualCol(), and pricestoreUpdateOrthogonalities().

objparallelisms

SCIP_Real* GCG_PriceStore::objparallelisms

parallelism of col to the objective function

Definition at line 56 of file struct_pricestore_gcg.h.

Referenced by computeScore(), GCGpricestoreAddCol(), GCGpricestoreApplyCols(), GCGpricestoreClearCols(), pricestoreDelCol(), pricestoreEnsureColsMem(), and pricestoreUpdateOrthogonalities().

orthogonalities

SCIP_Real* GCG_PriceStore::orthogonalities

minimal orthogonality of col with all other cols of larger score

Definition at line 57 of file struct_pricestore_gcg.h.

Referenced by computeScore(), GCGpricestoreAddCol(), GCGpricestoreApplyCols(), GCGpricestoreClearCols(), pricestoreDelCol(), pricestoreEnsureColsMem(), and pricestoreUpdateOrthogonalities().

scores

SCIP_Real* GCG_PriceStore::scores

score for each priced col: weighted sum of efficacy and orthogonality

Definition at line 58 of file struct_pricestore_gcg.h.

Referenced by computeScore(), GCGpricestoreAddCol(), GCGpricestoreApplyCols(), GCGpricestoreClearCols(), pricestoreDelCol(), pricestoreEnsureColsMem(), pricestoreGetBestCol(), and pricestoreUpdateOrthogonalities().

colssize

int GCG_PriceStore::colssize

size of cols and score arrays

Definition at line 59 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreAddCol(), GCGpricestoreClearCols(), and pricestoreEnsureColsMem().

ncols

int GCG_PriceStore::ncols

number of priced cols (max. is set->price_maxcols)

Definition at line 60 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreAddCol(), GCGpricestoreApplyCols(), GCGpricestoreClearCols(), GCGpricestoreEndFarkas(), GCGpricestoreGetNCols(), GCGpricestoreStartFarkas(), pricestoreDelCol(), and pricestoreFindEqualCol().

nforcedcols

int GCG_PriceStore::nforcedcols

number of forced priced cols (first positions in cols array)

Definition at line 61 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreAddCol(), GCGpricestoreApplyCols(), GCGpricestoreClearCols(), GCGpricestoreRemoveInefficaciousCols(), pricestoreDelCol(), pricestoreGetBestCol(), and pricestoreUpdateOrthogonalities().

nefficaciouscols

int GCG_PriceStore::nefficaciouscols

number of improving priced cols

Definition at line 62 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreAddCol(), GCGpricestoreClearCols(), GCGpricestoreGetNEfficaciousCols(), and pricestoreDelCol().

ncolsfound

int GCG_PriceStore::ncolsfound

total number of cols found so far

Definition at line 63 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreAddCol(), and GCGpricestoreGetNColsFound().

ncolsfoundround

int GCG_PriceStore::ncolsfoundround

number of cols found so far in this pricing round

Definition at line 64 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreAddCol(), GCGpricestoreClearCols(), and GCGpricestoreGetNColsFoundRound().

ncolsapplied

int GCG_PriceStore::ncolsapplied

total number of cols applied to the LPs

Definition at line 65 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreGetNColsApplied().

infarkas

SCIP_Bool GCG_PriceStore::infarkas

is the price storage currently being filled with the columns from farkas pricing?

Definition at line 66 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreClearCols(), GCGpricestoreEndFarkas(), GCGpricestoreStartFarkas(), and pricestoreApplyCol().

forcecols

SCIP_Bool GCG_PriceStore::forcecols

should the cols be used despite the number of cols parameter limit?

Definition at line 67 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreAddCol(), GCGpricestoreEndForceCols(), and GCGpricestoreStartForceCols().

efficiacyfac

SCIP_Real GCG_PriceStore::efficiacyfac

factor of efficiacy in score function

Definition at line 68 of file struct_pricestore_gcg.h.

Referenced by computeScore(), and pricestoreUpdateOrthogonalities().

objparalfac

SCIP_Real GCG_PriceStore::objparalfac

factor of objective parallelism in score function

Definition at line 69 of file struct_pricestore_gcg.h.

Referenced by computeScore(), GCGpricestoreAddCol(), and pricestoreUpdateOrthogonalities().

orthofac

SCIP_Real GCG_PriceStore::orthofac

factor of orthogonalities in score function

Definition at line 70 of file struct_pricestore_gcg.h.

Referenced by computeScore(), pricestoreApplyCol(), and pricestoreUpdateOrthogonalities().

mincolorth

SCIP_Real GCG_PriceStore::mincolorth

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

Definition at line 71 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreApplyCols().

priceclock

SCIP_CLOCK* GCG_PriceStore::priceclock

pricing time

Definition at line 73 of file struct_pricestore_gcg.h.

Referenced by GCGpricestoreAddCol(), GCGpricestoreApplyCols(), and GCGpricestoreGetTime().

efficiacychoice

GCG_EFFICIACYCHOICE GCG_PriceStore::efficiacychoice

choice to base efficiacy on

Definition at line 74 of file struct_pricestore_gcg.h.

Referenced by computeScore(), and pricestoreUpdateOrthogonalities().