Solving Constraint Integer Programs

Detailed Description

Constraint handler for AND constraints, \(r = x_1 \wedge x_2 \wedge \dots \wedge x_n\).

Tobias Achterberg
Stefan Heinz
Michael Winkler

Definition in file cons_and.h.

#include "scip/scip.h"

Go to the source code of this file.


SCIP_RETCODE SCIPincludeConshdlrAnd (SCIP *scip)
AND Constraints

This constraint handler deals with AND-constraints. These are constraint of the form:

\[ r = x_1 \wedge x_2 \wedge \dots \wedge x_n \]

where \(x_i\) is a binary variable for all \(i\). Hence, \(r\) is also of binary type. The variable \(r\) is called resultant and the \(x\)'s operators.

SCIP_RETCODE SCIPcreateConsAnd (SCIP *scip, SCIP_CONS **cons, const char *name, SCIP_VAR *resvar, int nvars, SCIP_VAR **vars, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool modifiable, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)
SCIP_RETCODE SCIPcreateConsBasicAnd (SCIP *scip, SCIP_CONS **cons, const char *name, SCIP_VAR *resvar, int nvars, SCIP_VAR **vars)
int SCIPgetNVarsAnd (SCIP *scip, SCIP_CONS *cons)
SCIP_VAR ** SCIPgetVarsAnd (SCIP *scip, SCIP_CONS *cons)
SCIP_VARSCIPgetResultantAnd (SCIP *scip, SCIP_CONS *cons)
SCIP_Bool SCIPisAndConsSorted (SCIP *scip, SCIP_CONS *cons)
SCIP_RETCODE SCIPsortAndCons (SCIP *scip, SCIP_CONS *cons)
SCIP_RETCODE SCIPchgAndConsCheckFlagWhenUpgr (SCIP *scip, SCIP_CONS *cons, SCIP_Bool flag)
SCIP_RETCODE SCIPchgAndConsRemovableFlagWhenUpgr (SCIP *scip, SCIP_CONS *cons, SCIP_Bool flag)