relax.c
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32 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
77 SCIP_CALL( SCIPsetRelaxPriority(scip, (SCIP_RELAX*)paramdata, SCIPparamGetInt(param)) ); /*lint !e740*/
94 SCIPsetDebugMsg(set, "including relaxation handler %s in subscip %p\n", SCIPrelaxGetName(relax), (void*)set->scip);
109 int priority, /**< priority of the relaxation handler (negative: after LP, non-negative: before LP) */
111 SCIP_DECL_RELAXCOPY ((*relaxcopy)), /**< copy method of relaxation handler or NULL if you don't want to copy your plugin into sub-SCIPs */
115 SCIP_DECL_RELAXINITSOL((*relaxinitsol)), /**< solving process initialization method of relaxation handler */
116 SCIP_DECL_RELAXEXITSOL((*relaxexitsol)), /**< solving process deinitialization method of relaxation handler */
164 (void) SCIPsnprintf(paramdesc, SCIP_MAXSTRLEN, "frequency for calling relaxation handler <%s> (-1: never, 0: only in root node)", name);
179 int priority, /**< priority of the relaxation handler (negative: after LP, non-negative: before LP) */
181 SCIP_DECL_RELAXCOPY ((*relaxcopy)), /**< copy method of relaxation handler or NULL if you don't want to copy your plugin into sub-SCIPs */
185 SCIP_DECL_RELAXINITSOL((*relaxinitsol)), /**< solving process initialization method of relaxation handler */
186 SCIP_DECL_RELAXEXITSOL((*relaxexitsol)), /**< solving process deinitialization method of relaxation handler */
197 SCIP_CALL_FINALLY( doRelaxCreate(relax, set, messagehdlr, blkmem, name, desc, priority, freq, relaxcopy, relaxfree,
198 relaxinit, relaxexit, relaxinitsol, relaxexitsol, relaxexec, relaxdata), (void) SCIPrelaxFree(relax, set) );
522 SCIP_DECL_RELAXINITSOL((*relaxinitsol)) /**< solving process initialization method of relaxation handler */
533 SCIP_DECL_RELAXEXITSOL((*relaxexitsol)) /**< solving process deinitialization relaxation handler */
607 SCIP_RELAX* relax, /**< the relaxation handler for which all clocks should be enabled or disabled */
667 /** gets the time in seconds spent for the execution of the relaxation handler when a node's lower bound could be improved (or a cutoff was found) */
719 /** marks the current relaxation unsolved, s.t. the relaxation handler is called again in the next solving round */
817 /** returns whether the global relaxation solution was computed by a relaxator which included all LP cuts */
838 /** returns the objective value of the global relaxation solution w.r.t. the transformed problem */
859 /** updates objective value of current relaxation solution after change of objective coefficient */
890 /** returns the most recent relaxation handler responsible for the solution, or NULL if unspecified */
Definition: type_result.h:42
void SCIPrelaxationUpdateVarObj(SCIP_RELAXATION *relaxation, SCIP_SET *set, SCIP_VAR *var, SCIP_Real oldobj, SCIP_Real newobj)
Definition: relax.c:860
internal methods for storing primal CIP solutions
SCIP_Real SCIPrelaxationGetSolObj(SCIP_RELAXATION *relaxation)
Definition: relax.c:839
internal methods for branch and bound tree
SCIP_Longint SCIPrelaxGetNImprovedLowerbound(SCIP_RELAX *relax)
Definition: relax.c:648
internal methods for clocks and timing issues
Definition: type_result.h:58
Definition: struct_var.h:207
void SCIPrelaxSetPriority(SCIP_RELAX *relax, SCIP_SET *set, int priority)
Definition: relax.c:572
Definition: struct_primal.h:46
Definition: struct_message.h:45
void SCIPrelaxSetCopy(SCIP_RELAX *relax, SCIP_DECL_RELAXCOPY((*relaxcopy)))
Definition: relax.c:476
Definition: type_result.h:57
SCIP_RELAX * SCIPrelaxationGetSolRelax(SCIP_RELAXATION *relaxation)
Definition: relax.c:891
Definition: type_result.h:49
void SCIPrelaxationSetSolValid(SCIP_RELAXATION *relaxation, SCIP_Bool isvalid, SCIP_Bool includeslp)
Definition: relax.c:795
internal methods for handling parameter settings
static SCIP_RETCODE doRelaxCreate(SCIP_RELAX **relax, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int priority, int freq, SCIP_DECL_RELAXCOPY((*relaxcopy)), SCIP_DECL_RELAXFREE((*relaxfree)), SCIP_DECL_RELAXINIT((*relaxinit)), SCIP_DECL_RELAXEXIT((*relaxexit)), SCIP_DECL_RELAXINITSOL((*relaxinitsol)), SCIP_DECL_RELAXEXITSOL((*relaxexitsol)), SCIP_DECL_RELAXEXEC((*relaxexec)), SCIP_RELAXDATA *relaxdata)
Definition: relax.c:102
SCIP_Bool SCIPrelaxationIsSolValid(SCIP_RELAXATION *relaxation)
Definition: relax.c:808
void SCIPclockEnableOrDisable(SCIP_CLOCK *clck, SCIP_Bool enable)
Definition: clock.c:260
Definition: heur_padm.c:132
Definition: struct_tree.h:141
SCIP_Real SCIPrelaxGetImprovedLowerboundTime(SCIP_RELAX *relax)
Definition: relax.c:668
Definition: type_retcode.h:53
Definition: struct_set.h:72
Definition: type_clock.h:43
void SCIPrelaxSetFree(SCIP_RELAX *relax, SCIP_DECL_RELAXFREE((*relaxfree)))
Definition: relax.c:487
SCIP_RETCODE SCIPrelaxCreate(SCIP_RELAX **relax, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int priority, int freq, SCIP_DECL_RELAXCOPY((*relaxcopy)), SCIP_DECL_RELAXFREE((*relaxfree)), SCIP_DECL_RELAXINIT((*relaxinit)), SCIP_DECL_RELAXEXIT((*relaxexit)), SCIP_DECL_RELAXINITSOL((*relaxinitsol)), SCIP_DECL_RELAXEXITSOL((*relaxexitsol)), SCIP_DECL_RELAXEXEC((*relaxexec)), SCIP_RELAXDATA *relaxdata)
Definition: relax.c:172
Definition: type_retcode.h:51
SCIP_Bool SCIPrelaxationIsSolZero(SCIP_RELAXATION *relaxation)
Definition: relax.c:785
Definition: type_var.h:51
SCIP_Longint SCIPrelaxGetNReducedDomains(SCIP_RELAX *relax)
Definition: relax.c:678
void SCIPrelaxSetInitsol(SCIP_RELAX *relax, SCIP_DECL_RELAXINITSOL((*relaxinitsol)))
Definition: relax.c:520
void SCIPrelaxSetExitsol(SCIP_RELAX *relax, SCIP_DECL_RELAXEXITSOL((*relaxexitsol)))
Definition: relax.c:531
SCIP_Bool SCIPsetIsRelGT(SCIP_SET *set, SCIP_Real val1, SCIP_Real val2)
Definition: set.c:7158
Definition: type_retcode.h:42
internal methods for global SCIP settings
SCIP_RETCODE SCIPrelaxCopyInclude(SCIP_RELAX *relax, SCIP_SET *set)
Definition: relax.c:83
SCIP_RETCODE SCIPrelaxationCreate(SCIP_RELAXATION **relaxation, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_PRIMAL *primal, SCIP_TREE *tree)
Definition: relax.c:734
Definition: type_result.h:51
internal methods for relaxators
SCIP_RETCODE SCIPsetAddIntParam(SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int *valueptr, SCIP_Bool isadvanced, int defaultvalue, int minvalue, int maxvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)
Definition: set.c:3029
SCIP_RETCODE SCIPsetRelaxPriority(SCIP *scip, SCIP_RELAX *relax, int priority)
Definition: scip_relax.c:271
SCIP_RETCODE SCIPclockCreate(SCIP_CLOCK **clck, SCIP_CLOCKTYPE clocktype)
Definition: clock.c:170
internal methods for problem variables
public data structures and miscellaneous methods
SCIP_RETCODE SCIPrelaxationFree(SCIP_RELAXATION **relaxation)
Definition: relax.c:762
void SCIPrelaxationSetSolRelax(SCIP_RELAXATION *relaxation, SCIP_RELAX *relax)
Definition: relax.c:880
SCIP_Bool SCIPrelaxIsSolved(SCIP_RELAX *relax, SCIP_STAT *stat)
Definition: relax.c:708
SCIP_RETCODE SCIPrelaxInitsol(SCIP_RELAX *relax, SCIP_SET *set)
Definition: relax.c:305
public methods for cuts and aggregation rows
void SCIPrelaxEnableOrDisableClocks(SCIP_RELAX *relax, SCIP_Bool enable)
Definition: relax.c:606
void SCIPrelaxSetData(SCIP_RELAX *relax, SCIP_RELAXDATA *relaxdata)
Definition: relax.c:465
void SCIPrelaxationSetSolObj(SCIP_RELAXATION *relaxation, SCIP_Real obj)
Definition: relax.c:828
SCIP_RETCODE SCIPrelaxExec(SCIP_RELAX *relax, SCIP_SET *set, SCIP_TREE *tree, SCIP_STAT *stat, int depth, SCIP_Real *lowerbound, SCIP_RESULT *result)
Definition: relax.c:353
void SCIPrelaxationSetSolZero(SCIP_RELAXATION *relaxation, SCIP_Bool iszero)
Definition: relax.c:774
void SCIPrelaxationSolObjAdd(SCIP_RELAXATION *relaxation, SCIP_Real val)
Definition: relax.c:849
SCIP_Longint SCIPrelaxGetNSeparatedCuts(SCIP_RELAX *relax)
Definition: relax.c:688
public methods for message output
Definition: type_result.h:52
internal methods for problem statistics
Definition: struct_relax.h:46
Definition: struct_relax.h:74
data structures for relaxators
Definition: struct_stat.h:59
Definition: struct_tree.h:184
SCIP_Longint SCIPrelaxGetNAddedConss(SCIP_RELAX *relax)
Definition: relax.c:658
common defines and data types used in all packages of SCIP
void SCIPrelaxSetExit(SCIP_RELAX *relax, SCIP_DECL_RELAXEXIT((*relaxexit)))
Definition: relax.c:509
Definition: objbenders.h:43
Definition: type_result.h:48
SCIP_Bool SCIPrelaxationIsLpIncludedForSol(SCIP_RELAXATION *relaxation)
Definition: relax.c:818
SCIP callable library.
void SCIPrelaxSetInit(SCIP_RELAX *relax, SCIP_DECL_RELAXINIT((*relaxinit)))
Definition: relax.c:498
SCIP_RETCODE SCIPrelaxExitsol(SCIP_RELAX *relax, SCIP_SET *set)
Definition: relax.c:329