Scippy

SCIP

Solving Constraint Integer Programs

pub_implics.h File Reference

Detailed Description

public methods for implications, variable bounds, and cliques

Author
Tobias Achterberg

Definition in file pub_implics.h.

#include "scip/def.h"
#include "scip/type_var.h"
#include "scip/type_implics.h"

Go to the source code of this file.

Functions

int SCIPcliqueSearchVar (SCIP_CLIQUE *clique, SCIP_VAR *var, SCIP_Bool value)
 
SCIP_Bool SCIPcliqueHasVar (SCIP_CLIQUE *clique, SCIP_VAR *var, SCIP_Bool value)
 
int SCIPcliqueGetNVars (SCIP_CLIQUE *clique)
 
SCIP_VAR ** SCIPcliqueGetVars (SCIP_CLIQUE *clique)
 
SCIP_BoolSCIPcliqueGetValues (SCIP_CLIQUE *clique)
 
unsigned int SCIPcliqueGetId (SCIP_CLIQUE *clique)
 
int SCIPcliqueGetIndex (SCIP_CLIQUE *clique)
 
SCIP_Bool SCIPcliqueIsCleanedUp (SCIP_CLIQUE *clique)
 
SCIP_Bool SCIPcliqueIsEquation (SCIP_CLIQUE *clique)
 

Function Documentation

◆ SCIPcliqueSearchVar()

int SCIPcliqueSearchVar ( SCIP_CLIQUE clique,
SCIP_VAR var,
SCIP_Bool  value 
)

returns the position of the given variable/value pair in the clique; returns -1 if variable/value pair is not member of the clique

Parameters
cliqueclique data structure
varvariable to search for
valuevalue of the variable in the clique

Definition at line 1059 of file implics.c.

References SCIP_Clique::nvars, SCIPvarGetIndex(), SCIP_Clique::values, and SCIP_Clique::vars.

Referenced by SCIPcliqueDelVar(), SCIPcliqueHasVar(), and SCIPcliquelistCheck().

◆ SCIPcliqueHasVar()

SCIP_Bool SCIPcliqueHasVar ( SCIP_CLIQUE clique,
SCIP_VAR var,
SCIP_Bool  value 
)

returns whether the given variable/value pair is member of the given clique

Parameters
cliqueclique data structure
varvariable to remove from the clique
valuevalue of the variable in the clique

Definition at line 1119 of file implics.c.

References SCIPcliqueSearchVar().

◆ SCIPcliqueGetNVars()

◆ SCIPcliqueGetVars()

◆ SCIPcliqueGetValues()

SCIP_Bool* SCIPcliqueGetValues ( SCIP_CLIQUE clique)

◆ SCIPcliqueGetId()

unsigned int SCIPcliqueGetId ( SCIP_CLIQUE clique)

gets unique identifier of the clique

Parameters
cliqueclique data structure

Definition at line 3375 of file implics.c.

References SCIP_Clique::id.

Referenced by SCIP_DECL_HASHKEYEQ(), SCIPcliquelistsHaveCommonClique(), and tcliquegraphAddNode().

◆ SCIPcliqueGetIndex()

int SCIPcliqueGetIndex ( SCIP_CLIQUE clique)

gets index of the clique in the clique table

Parameters
cliqueclique data structure

Definition at line 3389 of file implics.c.

References SCIP_Clique::index.

Referenced by dfs(), and tarjan().

◆ SCIPcliqueIsCleanedUp()

SCIP_Bool SCIPcliqueIsCleanedUp ( SCIP_CLIQUE clique)

returns whether the given clique is cleaned up

gets unique identifier of the clique

Parameters
cliqueclique data structure

Definition at line 3399 of file implics.c.

References SCIP_Clique::startcleanup.

Referenced by cliqueCleanup(), cliquetableMarkCliqueForCleanup(), SCIPcliquetableCleanup(), and SCIPvarGetImplRedcost().

◆ SCIPcliqueIsEquation()

SCIP_Bool SCIPcliqueIsEquation ( SCIP_CLIQUE clique)

return whether the given clique is an equation

Parameters
cliqueclique data structure

Definition at line 3409 of file implics.c.

References SCIP_Clique::equation, and SCIP_Bool.

Referenced by extractCycle(), SCIPcopyImplicationsCliques(), and separateCuts().