Scippy

SCIP

Solving Constraint Integer Programs

Detailed Description

constraint handler for the integrality constraint

Author
Tobias Achterberg

Definition in file cons_integral.c.

#include "scip/cons_integral.h"
#include "scip/pub_cons.h"
#include "scip/pub_message.h"
#include "scip/pub_var.h"
#include "scip/scip_branch.h"
#include "scip/scip_cons.h"
#include "scip/scip_lp.h"
#include "scip/scip_message.h"
#include "scip/scip_numerics.h"
#include "scip/scip_prob.h"
#include "scip/scip_probing.h"
#include "scip/scip_sol.h"
#include <string.h>

Go to the source code of this file.

Macros

#define CONSHDLR_NAME   "integral"
 
#define CONSHDLR_DESC   "integrality constraint"
 
#define CONSHDLR_ENFOPRIORITY   0
 
#define CONSHDLR_CHECKPRIORITY   0
 
#define CONSHDLR_EAGERFREQ   -1
 
#define CONSHDLR_NEEDSCONS   FALSE
 
#define consCopyIntegral   NULL
 
#define consEnfopsIntegral   NULL
 

Functions

static SCIP_DECL_CONSHDLRCOPY (conshdlrCopyIntegral)
 
static SCIP_DECL_CONSENFOLP (consEnfolpIntegral)
 
static SCIP_DECL_CONSENFORELAX (consEnforelaxIntegral)
 
static SCIP_DECL_CONSCHECK (consCheckIntegral)
 
static SCIP_DECL_CONSLOCK (consLockIntegral)
 
static SCIP_DECL_CONSGETDIVEBDCHGS (consGetDiveBdChgsIntegral)
 
SCIP_RETCODE SCIPincludeConshdlrIntegral (SCIP *scip)
 

Macro Definition Documentation

◆ CONSHDLR_NAME

◆ CONSHDLR_DESC

#define CONSHDLR_DESC   "integrality constraint"

Definition at line 49 of file cons_integral.c.

Referenced by SCIPincludeConshdlrIntegral().

◆ CONSHDLR_ENFOPRIORITY

#define CONSHDLR_ENFOPRIORITY   0

priority of the constraint handler for constraint enforcing

Definition at line 50 of file cons_integral.c.

Referenced by SCIPincludeConshdlrIntegral().

◆ CONSHDLR_CHECKPRIORITY

#define CONSHDLR_CHECKPRIORITY   0

priority of the constraint handler for checking feasibility

Definition at line 51 of file cons_integral.c.

Referenced by SCIPincludeConshdlrIntegral().

◆ 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 52 of file cons_integral.c.

Referenced by SCIPincludeConshdlrIntegral().

◆ CONSHDLR_NEEDSCONS

#define CONSHDLR_NEEDSCONS   FALSE

should the constraint handler be skipped, if no constraints are available?

Definition at line 55 of file cons_integral.c.

Referenced by SCIPincludeConshdlrIntegral().

◆ consCopyIntegral

#define consCopyIntegral   NULL

Definition at line 77 of file cons_integral.c.

Referenced by SCIPincludeConshdlrIntegral().

◆ consEnfopsIntegral

#define consEnfopsIntegral   NULL

Definition at line 79 of file cons_integral.c.

Referenced by SCIPincludeConshdlrIntegral().

Function Documentation

◆ SCIP_DECL_CONSHDLRCOPY()

static SCIP_DECL_CONSHDLRCOPY ( conshdlrCopyIntegral  )
static

copy method for constraint handler plugins (called when SCIP copies plugins)

Definition at line 63 of file cons_integral.c.

References CONSHDLR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPconshdlrGetName(), SCIPincludeConshdlrIntegral(), and TRUE.

◆ SCIP_DECL_CONSENFOLP()

static SCIP_DECL_CONSENFOLP ( consEnfolpIntegral  )
static

◆ SCIP_DECL_CONSENFORELAX()

static SCIP_DECL_CONSENFORELAX ( consEnforelaxIntegral  )
static

◆ SCIP_DECL_CONSCHECK()

static SCIP_DECL_CONSCHECK ( consCheckIntegral  )
static

◆ SCIP_DECL_CONSLOCK()

static SCIP_DECL_CONSLOCK ( consLockIntegral  )
static

variable rounding lock method of constraint handler

Definition at line 231 of file cons_integral.c.

References SCIP_DECL_CONSGETDIVEBDCHGS(), and SCIP_OKAY.

Referenced by SCIP_DECL_CONSCHECK().

◆ SCIP_DECL_CONSGETDIVEBDCHGS()