71#define CONSHDLR_NAME "or"
72#define CONSHDLR_DESC "constraint handler for or constraints: r = or(x1, ..., xn)"
73#define CONSHDLR_SEPAPRIORITY +850000
74#define CONSHDLR_ENFOPRIORITY -850000
75#define CONSHDLR_CHECKPRIORITY -850000
76#define CONSHDLR_SEPAFREQ 0
77#define CONSHDLR_PROPFREQ 1
78#define CONSHDLR_EAGERFREQ 100
80#define CONSHDLR_MAXPREROUNDS -1
81#define CONSHDLR_DELAYSEPA FALSE
82#define CONSHDLR_DELAYPROP FALSE
83#define CONSHDLR_NEEDSCONS TRUE
85#define CONSHDLR_PROP_TIMING SCIP_PROPTIMING_BEFORELP
86#define CONSHDLR_PRESOLTIMING SCIP_PRESOLTIMING_MEDIUM
88#define EVENTHDLR_NAME "or"
89#define EVENTHDLR_DESC "event handler for or constraints"
109 unsigned int propagated:1;
110 unsigned int nofixedone:1;
111 unsigned int impladded:1;
112 unsigned int opimpladded:1;
116struct SCIP_ConshdlrData
188 (*conshdlrdata)->eventhdlr = eventhdlr;
214 return consdata->nvars + 1;
281 for(
i = 0;
i < consdata->nvars; ++
i )
307 for(
i = 0;
i < consdata->nvars; ++
i )
327 assert(watchedvar1 == -1 || watchedvar1 != watchedvar2);
328 assert(watchedvar1 != -1 || watchedvar2 == -1);
333 if( watchedvar1 == consdata->watchedvar2 || watchedvar2 == consdata->watchedvar1 )
337 tmp = consdata->watchedvar1;
338 consdata->watchedvar1 = consdata->watchedvar2;
339 consdata->watchedvar2 =
tmp;
340 tmp = consdata->filterpos1;
341 consdata->filterpos1 = consdata->filterpos2;
342 consdata->filterpos2 =
tmp;
344 assert(watchedvar1 == -1 || watchedvar1 != consdata->watchedvar2);
345 assert(watchedvar2 == -1 || watchedvar2 != consdata->watchedvar1);
348 if( consdata->watchedvar1 != -1 && consdata->watchedvar1 != watchedvar1 )
350 assert(consdata->filterpos1 != -1);
353 if( consdata->watchedvar2 != -1 && consdata->watchedvar2 != watchedvar2 )
355 assert(consdata->filterpos2 != -1);
360 if( watchedvar1 != -1 && watchedvar1 != consdata->watchedvar1 )
364 if( watchedvar2 != -1 && watchedvar2 != consdata->watchedvar2 )
370 consdata->watchedvar1 = watchedvar1;
371 consdata->watchedvar2 = watchedvar2;
385 assert(consdata->nvars <= consdata->varssize);
387 if( num > consdata->varssize )
417 (*consdata)->resvar = resvar;
418 (*consdata)->rows =
NULL;
419 (*consdata)->nvars =
nvars;
420 (*consdata)->varssize =
nvars;
421 (*consdata)->rowssize = 0;
422 (*consdata)->watchedvar1 = -1;
423 (*consdata)->watchedvar2 = -1;
424 (*consdata)->filterpos1 = -1;
425 (*consdata)->filterpos2 = -1;
426 (*consdata)->propagated =
FALSE;
427 (*consdata)->nofixedone =
FALSE;
428 (*consdata)->impladded =
FALSE;
429 (*consdata)->opimpladded =
FALSE;
455 if( consdata->rows !=
NULL )
461 for(
r = 0;
r < nrows; ++
r )
492 assert((*consdata)->watchedvar1 == -1);
493 assert((*consdata)->watchedvar2 == -1);
540 SCIP_Bool transformed;
560 consdata->vars[consdata->nvars] =
var;
575 if( consdata->rows !=
NULL )
577 SCIPerrorMessage(
"cannot add coefficients to or constraint after LP relaxation was created\n");
615 if( consdata->watchedvar1 == pos )
619 if( consdata->watchedvar2 == pos )
624 assert(pos != consdata->watchedvar1);
625 assert(pos != consdata->watchedvar2);
628 consdata->vars[pos] = consdata->vars[consdata->nvars-1];
632 if( consdata->watchedvar1 == consdata->nvars )
633 consdata->watchedvar1 = pos;
634 if( consdata->watchedvar2 == consdata->nvars )
635 consdata->watchedvar2 = pos;
637 consdata->propagated =
FALSE;
656 assert(consdata->nvars == 0 || consdata->vars !=
NULL);
661 var = consdata->vars[v];
717 nvars = consdata->nvars;
749 SCIP_Bool* infeasible
759 if( consdata->rows ==
NULL )
767 for(
r = 0;
r < nrows && !(*infeasible); ++
r )
811 for(
r = 0;
r < nrows; ++
r )
842 for(
i = 0;
i < consdata->nvars; ++
i )
846 if( solval > maxsolval )
919 if( consdata->rows ==
NULL )
928 for(
r = 0;
r < nrows; ++
r )
935 SCIP_Bool infeasible;
1003 for( v = 0; v < consdata->nvars; ++v )
1037 SCIP_Bool infeasible;
1038 SCIP_Bool tightened;
1046 resvar = consdata->resvar;
1047 vars = consdata->vars;
1048 nvars = consdata->nvars;
1053 if( consdata->propagated )
1055 assert(consdata->nofixedone);
1067 if( !consdata->nofixedone )
1073 SCIPdebugMsg(
scip,
"constraint <%s>: operator var <%s> fixed to 1.0 -> fix resultant <%s> to 1.0\n",
1096 consdata->nofixedone =
TRUE;
1098 assert(consdata->nofixedone);
1103 for(
i = 0;
i <
nvars && !(*cutoff); ++
i )
1105 SCIPdebugMsg(
scip,
"constraint <%s>: resultant var <%s> fixed to 0.0 -> fix operator var <%s> to 0.0\n",
1115 else if( tightened )
1138 watchedvar1 = consdata->watchedvar1;
1139 watchedvar2 = consdata->watchedvar2;
1142 if( watchedvar1 != -1 )
1148 if( watchedvar2 != -1 )
1156 if( watchedvar1 == -1 )
1158 watchedvar1 = watchedvar2;
1161 assert(watchedvar1 != -1 || watchedvar2 == -1);
1164 if( watchedvar2 == -1 )
1171 if( watchedvar1 == -1 )
1173 assert(watchedvar2 == -1);
1176 else if( watchedvar1 !=
i )
1184 assert(watchedvar1 != -1 || watchedvar2 == -1);
1187 if( watchedvar1 == -1 )
1189 assert(watchedvar2 == -1);
1191 SCIPdebugMsg(
scip,
"constraint <%s>: all operator vars fixed to 0.0 -> fix resultant <%s> to 0.0\n",
1219 assert(watchedvar1 != -1);
1221 SCIPdebugMsg(
scip,
"constraint <%s>: resultant <%s> fixed to 1.0, only one unfixed operand -> fix operand <%s> to 1.0\n",
1248 consdata->propagated =
TRUE;
1279 vars = consdata->vars;
1280 nvars = consdata->nvars;
1365 SCIPdebugMsg(
scip,
"upgrading or constraint <%s> into equivalent and constraint on negated variables\n",
1373 for(
i = 0;
i < consdata->nvars; ++
i )
1445 for(
c = 0;
c < nconss; ++
c )
1505 *infeasible =
FALSE;
1507 for(
i = 0;
i < nconss && !(*infeasible);
i++ )
1573 for(
i = 0;
i < nconss;
i++ )
1607 for(
i = 0;
i < nconss;
i++ )
1641 for(
i = 0;
i < nconss;
i++ )
1667 SCIP_Bool violated =
FALSE;
1703 else if( nfixedvars > 0 )
1720 SCIP_Bool redundant;
1748 consdata->propagated =
FALSE;
1763 assert(consdata->nvars >= 1);
1766 if( consdata->nvars == 1 )
1792 else if( !consdata->impladded )
1797 for(
i = 0;
i < consdata->nvars && !
cutoff; ++
i )
1805 consdata->impladded =
TRUE;
1817 consdata->opimpladded =
TRUE;
1858 for(
i = 0;
i < consdata->nvars; ++
i )
1923 initial, separate, enforce, check,
propagate, local, modifiable, dynamic, removable, stickingatnode) );
1960 if( resvar ==
NULL )
1999 initial, separate, enforce, check,
propagate, local, modifiable, dynamic, removable, stickingatnode) );
2026 vars[consdata->nvars] = consdata->resvar;
2044 (*nvars) = consdata->nvars + 1;
2069 consdata->nofixedone =
FALSE;
2071 consdata->propagated =
FALSE;
2149 SCIP_Bool modifiable,
2155 SCIP_Bool removable,
2157 SCIP_Bool stickingatnode
2168 if( conshdlr ==
NULL )
2181 SCIP_CALL(
SCIPcreateCons(
scip, cons, name, conshdlr, consdata, initial, separate, enforce, check,
propagate,
2182 local, modifiable, dynamic, removable, stickingatnode) );
2201 SCIP_CALL(
SCIPcreateConsOr(
scip, cons, name, resvar,
nvars,
vars,
TRUE,
TRUE,
TRUE,
TRUE,
TRUE,
2227 return consdata->nvars;
2250 return consdata->vars;
2273 return consdata->resvar;
Constraint handler for AND constraints, .
static SCIP_RETCODE addRelaxation(SCIP *scip, SCIP_CONS *cons, SCIP_Bool *infeasible)
static SCIP_RETCODE consdataFreeRows(SCIP *scip, SCIP_CONSDATA *consdata)
static int consdataGetNRows(SCIP_CONSDATA *consdata)
static SCIP_RETCODE consdataPrint(SCIP *scip, SCIP_CONSDATA *consdata, FILE *file)
static SCIP_RETCODE consdataCatchWatchedEvents(SCIP *scip, SCIP_CONSDATA *consdata, SCIP_EVENTHDLR *eventhdlr, int pos, int *filterpos)
static SCIP_RETCODE consdataDropEvents(SCIP *scip, SCIP_CONSDATA *consdata, SCIP_EVENTHDLR *eventhdlr)
static SCIP_RETCODE consdataSwitchWatchedvars(SCIP *scip, SCIP_CONSDATA *consdata, SCIP_EVENTHDLR *eventhdlr, int watchedvar1, int watchedvar2)
#define CONSHDLR_NEEDSCONS
#define CONSHDLR_SEPAFREQ
static SCIP_RETCODE delCoefPos(SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, int pos)
#define CONSHDLR_CHECKPRIORITY
static SCIP_RETCODE addCoef(SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, SCIP_VAR *var)
static SCIP_RETCODE createRelaxation(SCIP *scip, SCIP_CONS *cons)
#define CONSHDLR_PROP_TIMING
static void conshdlrdataFree(SCIP *scip, SCIP_CONSHDLRDATA **conshdlrdata)
static SCIP_RETCODE unlockRounding(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var)
#define CONSHDLR_MAXPREROUNDS
#define CONSHDLR_SEPAPRIORITY
static SCIP_RETCODE analyzeConflictOne(SCIP *scip, SCIP_CONS *cons)
static SCIP_RETCODE analyzeConflictZero(SCIP *scip, SCIP_CONS *cons, int truepos)
static SCIP_RETCODE lockRounding(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var)
static SCIP_RETCODE consdataEnsureVarsSize(SCIP *scip, SCIP_CONSDATA *consdata, int num)
static SCIP_RETCODE checkCons(SCIP *scip, SCIP_CONS *cons, SCIP_SOL *sol, SCIP_Bool checklprows, SCIP_Bool printreason, SCIP_Bool *violated)
static SCIP_RETCODE consdataFree(SCIP *scip, SCIP_CONSDATA **consdata, SCIP_EVENTHDLR *eventhdlr)
static SCIP_RETCODE consdataDropWatchedEvents(SCIP *scip, SCIP_CONSDATA *consdata, SCIP_EVENTHDLR *eventhdlr, int pos, int filterpos)
#define CONSHDLR_PROPFREQ
static SCIP_RETCODE upgradeCons(SCIP *scip, SCIP_CONS *cons, int *nupgdconss)
#define CONSHDLR_PRESOLTIMING
static SCIP_RETCODE propagateCons(SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, SCIP_Bool *cutoff, int *nfixedvars)
#define CONSHDLR_EAGERFREQ
static SCIP_RETCODE separateCons(SCIP *scip, SCIP_CONS *cons, SCIP_SOL *sol, SCIP_Bool *separated)
static SCIP_RETCODE conshdlrdataCreate(SCIP *scip, SCIP_CONSHDLRDATA **conshdlrdata, SCIP_EVENTHDLR *eventhdlr)
static SCIP_RETCODE consdataCreate(SCIP *scip, SCIP_CONSDATA **consdata, SCIP_EVENTHDLR *eventhdlr, int nvars, SCIP_VAR **vars, SCIP_VAR *resvar)
#define CONSHDLR_ENFOPRIORITY
static SCIP_RETCODE applyFixings(SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr)
static SCIP_RETCODE resolvePropagation(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *infervar, PROPRULE proprule, SCIP_BDCHGIDX *bdchgidx, SCIP_RESULT *result)
#define CONSHDLR_DELAYSEPA
#define CONSHDLR_DELAYPROP
static SCIP_RETCODE consdataCatchEvents(SCIP *scip, SCIP_CONSDATA *consdata, SCIP_EVENTHDLR *eventhdlr)
Constraint handler for "or" constraints, .
SCIP_VAR ** SCIPgetVarsOr(SCIP *scip, SCIP_CONS *cons)
int SCIPgetNVarsOr(SCIP *scip, SCIP_CONS *cons)
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 SCIPcreateConsBasicOr(SCIP *scip, SCIP_CONS **cons, const char *name, SCIP_VAR *resvar, int nvars, SCIP_VAR **vars)
SCIP_VAR * SCIPgetResultantOr(SCIP *scip, SCIP_CONS *cons)
SCIP_RETCODE SCIPcreateConsOr(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 SCIPincludeConshdlrOr(SCIP *scip)
SCIP_RETCODE SCIPgetVarCopy(SCIP *sourcescip, SCIP *targetscip, SCIP_VAR *sourcevar, SCIP_VAR **targetvar, SCIP_HASHMAP *varmap, SCIP_HASHMAP *consmap, SCIP_Bool global, SCIP_Bool *success)
SCIP_Bool SCIPisTransformed(SCIP *scip)
SCIP_Bool SCIPisStopped(SCIP *scip)
SCIP_STAGE SCIPgetStage(SCIP *scip)
SCIP_RETCODE SCIPaddCons(SCIP *scip, SCIP_CONS *cons)
SCIP_RETCODE SCIPdelCons(SCIP *scip, SCIP_CONS *cons)
SCIP_RETCODE SCIPdelConsLocal(SCIP *scip, SCIP_CONS *cons)
void SCIPinfoMessage(SCIP *scip, FILE *file, const char *formatstr,...)
#define SCIPdebugMsgPrint
SCIP_RETCODE SCIPinitConflictAnalysis(SCIP *scip, SCIP_CONFTYPE conftype, SCIP_Bool iscutoffinvolved)
SCIP_Bool SCIPisConflictAnalysisApplicable(SCIP *scip)
SCIP_RETCODE SCIPaddConflictBinvar(SCIP *scip, SCIP_VAR *var)
SCIP_RETCODE SCIPanalyzeConflictCons(SCIP *scip, SCIP_CONS *cons, SCIP_Bool *success)
void SCIPconshdlrSetData(SCIP_CONSHDLR *conshdlr, SCIP_CONSHDLRDATA *conshdlrdata)
SCIP_RETCODE SCIPsetConshdlrFree(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_RETCODE SCIPsetConshdlrPresol(SCIP *scip, SCIP_CONSHDLR *conshdlr, SCIP_DECL_CONSPRESOL((*conspresol)), int maxprerounds, SCIP_PRESOLTIMING presoltiming)
SCIP_RETCODE SCIPsetConshdlrSepa(SCIP *scip, SCIP_CONSHDLR *conshdlr, SCIP_DECL_CONSSEPALP((*conssepalp)), SCIP_DECL_CONSSEPASOL((*conssepasol)), int sepafreq, int sepapriority, SCIP_Bool delaysepa)
SCIP_RETCODE SCIPsetConshdlrProp(SCIP *scip, SCIP_CONSHDLR *conshdlr, SCIP_DECL_CONSPROP((*consprop)), int propfreq, SCIP_Bool delayprop, SCIP_PROPTIMING proptiming)
SCIP_RETCODE SCIPsetConshdlrEnforelax(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_RETCODE SCIPincludeConshdlrBasic(SCIP *scip, SCIP_CONSHDLR **conshdlrptr, const char *name, const char *desc, int enfopriority, int chckpriority, int eagerfreq, SCIP_Bool needscons, SCIP_DECL_CONSENFOLP((*consenfolp)), SCIP_DECL_CONSENFOPS((*consenfops)), SCIP_DECL_CONSCHECK((*conscheck)), SCIP_DECL_CONSLOCK((*conslock)), SCIP_CONSHDLRDATA *conshdlrdata)
SCIP_RETCODE SCIPsetConshdlrParse(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_RETCODE SCIPsetConshdlrGetVars(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_RETCODE SCIPsetConshdlrPrint(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
const char * SCIPconshdlrGetName(SCIP_CONSHDLR *conshdlr)
SCIP_RETCODE SCIPsetConshdlrCopy(SCIP *scip, SCIP_CONSHDLR *conshdlr, SCIP_DECL_CONSHDLRCOPY((*conshdlrcopy)),)
SCIP_CONSHDLR * SCIPfindConshdlr(SCIP *scip, const char *name)
SCIP_RETCODE SCIPsetConshdlrDelete(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_CONSHDLRDATA * SCIPconshdlrGetData(SCIP_CONSHDLR *conshdlr)
SCIP_RETCODE SCIPsetConshdlrTrans(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_RETCODE SCIPsetConshdlrResprop(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_RETCODE SCIPsetConshdlrExitsol(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_RETCODE SCIPsetConshdlrInitlp(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_RETCODE SCIPsetConshdlrGetNVars(SCIP *scip, SCIP_CONSHDLR *conshdlr,)
SCIP_CONSDATA * SCIPconsGetData(SCIP_CONS *cons)
SCIP_Bool SCIPconsIsDynamic(SCIP_CONS *cons)
SCIP_CONSHDLR * SCIPconsGetHdlr(SCIP_CONS *cons)
SCIP_Bool SCIPconsIsInitial(SCIP_CONS *cons)
SCIP_RETCODE SCIPprintCons(SCIP *scip, SCIP_CONS *cons, FILE *file)
SCIP_Bool SCIPconsIsChecked(SCIP_CONS *cons)
SCIP_Bool SCIPconsIsDeleted(SCIP_CONS *cons)
SCIP_Bool SCIPconsIsTransformed(SCIP_CONS *cons)
SCIP_Bool SCIPconsIsLockedType(SCIP_CONS *cons, SCIP_LOCKTYPE locktype)
SCIP_Bool SCIPconsIsEnforced(SCIP_CONS *cons)
SCIP_Bool SCIPconsIsActive(SCIP_CONS *cons)
SCIP_RETCODE SCIPcreateCons(SCIP *scip, SCIP_CONS **cons, const char *name, SCIP_CONSHDLR *conshdlr, SCIP_CONSDATA *consdata, 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_Bool SCIPconsIsPropagated(SCIP_CONS *cons)
SCIP_Bool SCIPconsIsLocal(SCIP_CONS *cons)
const char * SCIPconsGetName(SCIP_CONS *cons)
SCIP_RETCODE SCIPresetConsAge(SCIP *scip, SCIP_CONS *cons)
SCIP_Bool SCIPconsIsModifiable(SCIP_CONS *cons)
SCIP_Bool SCIPconsIsStickingAtNode(SCIP_CONS *cons)
SCIP_RETCODE SCIPreleaseCons(SCIP *scip, SCIP_CONS **cons)
SCIP_Bool SCIPconsIsSeparated(SCIP_CONS *cons)
SCIP_RETCODE SCIPincConsAge(SCIP *scip, SCIP_CONS *cons)
SCIP_Bool SCIPconsIsRemovable(SCIP_CONS *cons)
SCIP_RETCODE SCIPaddRow(SCIP *scip, SCIP_ROW *row, SCIP_Bool forcecut, SCIP_Bool *infeasible)
SCIP_RETCODE SCIPincludeEventhdlrBasic(SCIP *scip, SCIP_EVENTHDLR **eventhdlrptr, const char *name, const char *desc, SCIP_DECL_EVENTEXEC((*eventexec)), SCIP_EVENTHDLRDATA *eventhdlrdata)
SCIP_EVENTTYPE SCIPeventGetType(SCIP_EVENT *event)
SCIP_RETCODE SCIPcatchVarEvent(SCIP *scip, SCIP_VAR *var, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)
SCIP_RETCODE SCIPdropVarEvent(SCIP *scip, SCIP_VAR *var, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)
#define SCIPfreeBlockMemoryArray(scip, ptr, num)
int SCIPcalcMemGrowSize(SCIP *scip, int num)
#define SCIPallocBufferArray(scip, ptr, num)
#define SCIPreallocBufferArray(scip, ptr, num)
#define SCIPfreeBufferArray(scip, ptr)
#define SCIPduplicateBufferArray(scip, ptr, source, num)
#define SCIPallocBlockMemoryArray(scip, ptr, num)
#define SCIPreallocBlockMemoryArray(scip, ptr, oldnum, newnum)
#define SCIPfreeBlockMemory(scip, ptr)
#define SCIPallocBlockMemory(scip, ptr)
#define SCIPduplicateBlockMemoryArray(scip, ptr, source, num)
SCIP_Bool SCIPinProbing(SCIP *scip)
SCIP_RETCODE SCIPaddVarsToRowSameCoef(SCIP *scip, SCIP_ROW *row, int nvars, SCIP_VAR **vars, SCIP_Real val)
SCIP_RETCODE SCIPcreateEmptyRowCons(SCIP *scip, SCIP_ROW **row, SCIP_CONS *cons, const char *name, SCIP_Real lhs, SCIP_Real rhs, SCIP_Bool local, SCIP_Bool modifiable, SCIP_Bool removable)
SCIP_RETCODE SCIPaddVarToRow(SCIP *scip, SCIP_ROW *row, SCIP_VAR *var, SCIP_Real val)
SCIP_Real SCIPgetRowSolFeasibility(SCIP *scip, SCIP_ROW *row, SCIP_SOL *sol)
SCIP_RETCODE SCIPreleaseRow(SCIP *scip, SCIP_ROW **row)
SCIP_Bool SCIProwIsInLP(SCIP_ROW *row)
void SCIPupdateSolConsViolation(SCIP *scip, SCIP_SOL *sol, SCIP_Real absviol, SCIP_Real relviol)
SCIP_Real SCIPgetSolVal(SCIP *scip, SCIP_SOL *sol, SCIP_VAR *var)
SCIP_Real SCIPinfinity(SCIP *scip)
SCIP_Bool SCIPisFeasEQ(SCIP *scip, SCIP_Real val1, SCIP_Real val2)
SCIP_Bool SCIPisFeasNegative(SCIP *scip, SCIP_Real val)
SCIP_Bool SCIPisFeasPositive(SCIP *scip, SCIP_Real val)
SCIP_Bool SCIPinRepropagation(SCIP *scip)
SCIP_RETCODE SCIPlockVarCons(SCIP *scip, SCIP_VAR *var, SCIP_CONS *cons, SCIP_Bool lockdown, SCIP_Bool lockup)
SCIP_Bool SCIPvarIsBinary(SCIP_VAR *var)
SCIP_RETCODE SCIPgetTransformedVars(SCIP *scip, int nvars, SCIP_VAR **vars, SCIP_VAR **transvars)
SCIP_Bool SCIPdoNotAggr(SCIP *scip)
SCIP_Real SCIPvarGetUbLocal(SCIP_VAR *var)
SCIP_Bool SCIPvarIsTransformed(SCIP_VAR *var)
SCIP_RETCODE SCIPparseVarsList(SCIP *scip, const char *str, SCIP_VAR **vars, int *nvars, int varssize, int *requiredsize, char **endptr, char delimiter, SCIP_Bool *success)
SCIP_RETCODE SCIPaggregateVars(SCIP *scip, SCIP_VAR *varx, SCIP_VAR *vary, SCIP_Real scalarx, SCIP_Real scalary, SCIP_Real rhs, SCIP_Bool *infeasible, SCIP_Bool *redundant, SCIP_Bool *aggregated)
SCIP_RETCODE SCIPparseVarName(SCIP *scip, const char *str, SCIP_VAR **var, char **endptr)
SCIP_Real SCIPvarGetUbGlobal(SCIP_VAR *var)
SCIP_RETCODE SCIPaddVarLocksType(SCIP *scip, SCIP_VAR *var, SCIP_LOCKTYPE locktype, int nlocksdown, int nlocksup)
SCIP_RETCODE SCIPunlockVarCons(SCIP *scip, SCIP_VAR *var, SCIP_CONS *cons, SCIP_Bool lockdown, SCIP_Bool lockup)
SCIP_Real SCIPgetVarUbAtIndex(SCIP *scip, SCIP_VAR *var, SCIP_BDCHGIDX *bdchgidx, SCIP_Bool after)
const char * SCIPvarGetName(SCIP_VAR *var)
SCIP_RETCODE SCIPgetNegatedVar(SCIP *scip, SCIP_VAR *var, SCIP_VAR **negvar)
SCIP_RETCODE SCIPaddVarImplication(SCIP *scip, SCIP_VAR *var, SCIP_Bool varfixing, SCIP_VAR *implvar, SCIP_BOUNDTYPE impltype, SCIP_Real implbound, SCIP_Bool *infeasible, int *nbdchgs)
SCIP_Real SCIPvarGetLbLocal(SCIP_VAR *var)
SCIP_Real SCIPvarGetLbGlobal(SCIP_VAR *var)
SCIP_Real SCIPgetVarLbAtIndex(SCIP *scip, SCIP_VAR *var, SCIP_BDCHGIDX *bdchgidx, SCIP_Bool after)
SCIP_RETCODE SCIPinferBinvarCons(SCIP *scip, SCIP_VAR *var, SCIP_Bool fixedval, SCIP_CONS *infercons, int inferinfo, SCIP_Bool *infeasible, SCIP_Bool *tightened)
SCIP_RETCODE SCIPwriteVarName(SCIP *scip, FILE *file, SCIP_VAR *var, SCIP_Bool type)
SCIP_RETCODE SCIPgetBinvarRepresentative(SCIP *scip, SCIP_VAR *var, SCIP_VAR **repvar, SCIP_Bool *negated)
SCIP_RETCODE SCIPwriteVarsList(SCIP *scip, FILE *file, SCIP_VAR **vars, int nvars, SCIP_Bool type, char delimiter)
SCIP_RETCODE SCIPgetTransformedVar(SCIP *scip, SCIP_VAR *var, SCIP_VAR **transvar)
int SCIPsnprintf(char *t, int len, const char *s,...)
char * SCIPstrtok(char *s, const char *delim, char **ptrptr)
assert(minobj< SCIPgetCutoffbound(scip))
static SCIP_Bool propagate
memory allocation routines
#define BMScopyMemoryArray(ptr, source, num)
public methods for managing constraints
public methods for managing events
public methods for LP management
public methods for message output
public data structures and miscellaneous methods
public methods for problem variables
public methods for conflict handler plugins and conflict analysis
public methods for constraint handler plugins and constraints
public methods for problem copies
public methods for cuts and aggregation rows
public methods for event handler plugins and event handlers
public methods for the LP relaxation, rows and columns
public methods for memory management
public methods for message handling
public methods for numerical tolerances
public methods for global and local (sub)problems
public methods for the probing mode
public methods for solutions
public methods for the branch-and-bound tree
public methods for SCIP variables
@ SCIP_CONFTYPE_PROPAGATION
#define SCIP_DECL_CONSENFOLP(x)
#define SCIP_DECL_CONSDELETE(x)
#define SCIP_DECL_CONSGETVARS(x)
#define SCIP_DECL_CONSPRINT(x)
struct SCIP_ConshdlrData SCIP_CONSHDLRDATA
#define SCIP_DECL_CONSSEPALP(x)
#define SCIP_DECL_CONSENFORELAX(x)
#define SCIP_DECL_CONSPROP(x)
#define SCIP_DECL_CONSGETNVARS(x)
#define SCIP_DECL_CONSRESPROP(x)
#define SCIP_DECL_CONSENFOPS(x)
#define SCIP_DECL_CONSPARSE(x)
#define SCIP_DECL_CONSTRANS(x)
#define SCIP_DECL_CONSPRESOL(x)
#define SCIP_DECL_CONSINITLP(x)
#define SCIP_DECL_CONSLOCK(x)
#define SCIP_DECL_CONSCOPY(x)
struct SCIP_ConsData SCIP_CONSDATA
#define SCIP_DECL_CONSCHECK(x)
#define SCIP_DECL_CONSHDLRCOPY(x)
#define SCIP_DECL_CONSEXITSOL(x)
#define SCIP_DECL_CONSFREE(x)
#define SCIP_DECL_CONSSEPASOL(x)
#define SCIP_EVENTTYPE_BOUNDCHANGED
struct SCIP_EventData SCIP_EVENTDATA
#define SCIP_EVENTTYPE_UBTIGHTENED
#define SCIP_DECL_EVENTEXEC(x)
#define SCIP_EVENTTYPE_LBRELAXED
#define SCIP_EVENTTYPE_LBTIGHTENED
#define SCIP_EVENTTYPE_UBRELAXED
enum SCIP_Result SCIP_RESULT
enum SCIP_Retcode SCIP_RETCODE