pricer_gcg.h File Reference

Detailed Description

GCG variable pricer.

Author

Gerald Gamrath

Martin Bergner

Definition in file pricer_gcg.h.

#include "scip/scip.h"
#include "type_solver.h"

Go to the source code of this file.

Typedefs
typedef enum GCG_Pricetype	GCG_PRICETYPE

Enumerations
enum	GCG_Pricetype {   GCG_PRICETYPE_UNKNOWN = -1,   GCG_PRICETYPE_INIT = 0,   GCG_PRICETYPE_FARKAS = 1,   GCG_PRICETYPE_REDCOST = 2 }

Functions
SCIP_RETCODE	SCIPincludePricerGcg (SCIP *scip, SCIP *origprob)
SCIP *	GCGmasterGetOrigprob (SCIP *scip)
SCIP_VAR **	GCGmasterGetPricedvars (SCIP *scip)
int	GCGmasterGetNPricedvars (SCIP *scip)
SCIP_RETCODE	GCGmasterAddMasterconsToHashmap (SCIP *scip, SCIP_CONS *cons, int pos)
SCIP_RETCODE	GCGmasterSetRootLPSol (SCIP *scip, SCIP_SOL **sol)
SCIP_RETCODE	GCGpricerIncludeSolver (SCIP *scip, const char *name, const char *desc, int priority, SCIP_Bool heurenabled, SCIP_Bool exactenabled, GCG_DECL_SOLVERUPDATE((*solverupdate)), GCG_DECL_SOLVERSOLVE((*solversolve)), GCG_DECL_SOLVERSOLVEHEUR((*solveheur)), GCG_DECL_SOLVERFREE((*solverfree)), GCG_DECL_SOLVERINIT((*solverinit)), GCG_DECL_SOLVEREXIT((*solverexit)), GCG_DECL_SOLVERINITSOL((*solverinitsol)), GCG_DECL_SOLVEREXITSOL((*solverexitsol)), GCG_SOLVERDATA *solverdata)
GCG_SOLVER **	GCGpricerGetSolvers (SCIP *scip)
int	GCGpricerGetNSolvers (SCIP *scip)
void	GCGpricerPrintListOfSolvers (SCIP *scip)
void	GCGpricerPrintPricingStatistics (SCIP *scip, FILE *file)
void	GCGpricerPrintStatistics (SCIP *scip, FILE *file)
SCIP_RETCODE	GCGpricerExistRays (SCIP *scip, SCIP_Bool *exist)
int	GCGpricerGetNPointsProb (SCIP *scip, int probnr)
int	GCGpricerGetNRaysProb (SCIP *scip, int probnr)
int	GCGpricerGetMaxColsRound (SCIP *scip)
int	GCGpricerGetMaxColsProb (SCIP *scip)
SCIP_RETCODE	GCGpricerAddCol (SCIP *scip, GCG_COL *col)
SCIP_RETCODE	GCGmasterTransOrigSolToMasterVars (SCIP *scip, SCIP_SOL *origsol, SCIP_Bool *stored)
SCIP_RETCODE	GCGmasterCreateInitialMastervars (SCIP *scip)
SCIP_Real	GCGmasterGetDegeneracy (SCIP *scip)
SCIP_Bool	GCGmasterIsCurrentSolValid (SCIP *scip)
SCIP_Bool	GCGmasterIsBestsolValid (SCIP *scip)
SCIP_Bool	GCGmasterIsSolValid (SCIP *scip, SCIP_SOL *mastersol)
SCIP_Longint	GCGmasterGetPricingSimplexIters (SCIP *scip)
SCIP_RETCODE	GCGmasterPrintSimplexIters (SCIP *scip, FILE *file)
SCIP_RETCODE	GCGsetPricingObjs (SCIP *scip, SCIP_Real *dualsolconv)
SCIP_RETCODE	GCGcreateNewMasterVarFromGcgCol (SCIP *scip, SCIP_Bool infarkas, GCG_COL *gcgcol, SCIP_Bool force, SCIP_Bool *added, SCIP_VAR **addedvar, SCIP_Real score)
SCIP_Real	GCGcomputeRedCostGcgCol (SCIP *scip, SCIP_Bool infarkas, GCG_COL *gcgcol, SCIP_Real *objvalptr)
SCIP_RETCODE	GCGcomputeColMastercoefs (SCIP *scip, GCG_COL *gcgcol)