Detailed Description
constraint handler for enforcing integrality of the transferred master solution in the original problem
Definition in file cons_integralorig.c.
#include <assert.h>
#include <string.h>
#include "cons_integralorig.h"
#include "pricer_gcg.h"
#include "cons_masterbranch.h"
#include "pub_gcgvar.h"
#include "scip/struct_branch.h"
#include "relax_gcg.h"
#include "gcg.h"
#include "branch_orig.h"
Go to the source code of this file.
Data Structures | |
struct | SCIP_ConshdlrData |
Macros | |
#define | CONSHDLR_NAME "integralorig" |
#define | CONSHDLR_DESC "integrality constraint" |
#define | CONSHDLR_ENFOPRIORITY 1000 |
#define | CONSHDLR_CHECKPRIORITY 1000 |
#define | CONSHDLR_EAGERFREQ -1 |
#define | CONSHDLR_NEEDSCONS FALSE |
Functions | |
SCIP_RETCODE | GCGconsIntegralorigAddBranchrule (SCIP *scip, SCIP_BRANCHRULE *branchrule) |
static void | sortBranchrules (SCIP_BRANCHRULE **branchrules, int nbranchrules) |
static | SCIP_DECL_CONSENFOLP (consEnfolpIntegralOrig) |
static | SCIP_DECL_CONSENFOPS (consEnfopsIntegralOrig) |
static | SCIP_DECL_CONSCHECK (consCheckIntegralOrig) |
static | SCIP_DECL_CONSLOCK (consLockIntegralOrig) |
static | SCIP_DECL_CONSFREE (consFreeIntegralOrig) |
SCIP_RETCODE | SCIPincludeConshdlrIntegralOrig (SCIP *scip) |
Macro Definition Documentation
◆ CONSHDLR_NAME
#define CONSHDLR_NAME "integralorig" |
Definition at line 50 of file cons_integralorig.c.
◆ CONSHDLR_DESC
#define CONSHDLR_DESC "integrality constraint" |
Definition at line 51 of file cons_integralorig.c.
◆ CONSHDLR_ENFOPRIORITY
#define CONSHDLR_ENFOPRIORITY 1000 |
priority of the constraint handler for constraint enforcing
Definition at line 52 of file cons_integralorig.c.
◆ CONSHDLR_CHECKPRIORITY
#define CONSHDLR_CHECKPRIORITY 1000 |
priority of the constraint handler for checking feasibility
Definition at line 53 of file cons_integralorig.c.
◆ CONSHDLR_EAGERFREQ
#define CONSHDLR_EAGERFREQ -1 |
frequency for using all instead of only the useful constraints in separation, propagation and enforcement, -1 for no eager evaluations, 0 for first only
Definition at line 54 of file cons_integralorig.c.
◆ CONSHDLR_NEEDSCONS
#define CONSHDLR_NEEDSCONS FALSE |
should the constraint handler be skipped, if no constraints are available?
Definition at line 56 of file cons_integralorig.c.
Function Documentation
◆ GCGconsIntegralorigAddBranchrule()
SCIP_RETCODE GCGconsIntegralorigAddBranchrule | ( | SCIP * | scip, |
SCIP_BRANCHRULE * | branchrule | ||
) |
insert branchrule in constraint handler data
Definition at line 67 of file cons_integralorig.c.
References CONSHDLR_NAME.
Referenced by SCIPincludeBranchruleBPStrong(), SCIPincludeBranchruleGeneric(), SCIPincludeBranchruleOrig(), and SCIPincludeBranchruleRelpsprob().
◆ sortBranchrules()
|
static |
sort branchrules with respect to priority
Definition at line 102 of file cons_integralorig.c.
Referenced by SCIP_DECL_CONSENFOLP(), and SCIP_DECL_CONSENFOPS().
◆ SCIP_DECL_CONSENFOLP()
|
static |
constraint enforcing method of constraint handler for LP solutions
todo handle bool allowaddcons; here default TRUE
Definition at line 141 of file cons_integralorig.c.
References CONSHDLR_NAME, GCGmasterGetOrigprob(), GCGrelaxIsOrigSolFeasible(), and sortBranchrules().
◆ SCIP_DECL_CONSENFOPS()
|
static |
constraint enforcing method of constraint handler for pseudo solutions
todo handle bool allowaddcons; here default TRUE
Definition at line 212 of file cons_integralorig.c.
References CONSHDLR_NAME, GCGmasterGetOrigprob(), and sortBranchrules().
◆ SCIP_DECL_CONSCHECK()
|
static |
feasibility check method of constraint handler for integral solutions
Definition at line 266 of file cons_integralorig.c.
References CONSHDLR_NAME, GCGmasterGetOrigprob(), GCGtransformMastersolToOrigsol(), and GCGvarIsOriginal().
◆ SCIP_DECL_CONSLOCK()
|
static |
variable rounding lock method of constraint handler
Definition at line 332 of file cons_integralorig.c.
◆ SCIP_DECL_CONSFREE()
|
static |
destructor of constraint handler to free constraint handler data (called when SCIP is exiting)
Definition at line 339 of file cons_integralorig.c.
References CONSHDLR_NAME.
◆ SCIPincludeConshdlrIntegralOrig()
SCIP_RETCODE SCIPincludeConshdlrIntegralOrig | ( | SCIP * | scip | ) |
creates the handler for integrality constraint and includes it in SCIP
- Parameters
-
scip SCIP data structure
Definition at line 372 of file cons_integralorig.c.
References CONSHDLR_CHECKPRIORITY, CONSHDLR_DESC, CONSHDLR_EAGERFREQ, CONSHDLR_ENFOPRIORITY, CONSHDLR_NAME, and CONSHDLR_NEEDSCONS.
Referenced by GCGincludeMasterPlugins().