scip_pricer.c
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34 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
46 * To use the variable pricer for solving a problem, it first has to be activated with a call to SCIPactivatePricer().
49 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
56 * @note method has all pricer callbacks as arguments and is thus changed every time a new callback is added
70 SCIP_DECL_PRICERCOPY ((*pricercopy)), /**< copy method of variable pricer or NULL if you don't want to copy your plugin into sub-SCIPs */
74 SCIP_DECL_PRICERINITSOL((*pricerinitsol)),/**< solving process initialization method of variable pricer */
75 SCIP_DECL_PRICEREXITSOL((*pricerexitsol)),/**< solving process deinitialization method of variable pricer */
76 SCIP_DECL_PRICERREDCOST((*pricerredcost)),/**< reduced cost pricing method of variable pricer for feasible LPs */
77 SCIP_DECL_PRICERFARKAS((*pricerfarkas)), /**< Farkas pricing method of variable pricer for infeasible LPs */
83 SCIP_CALL( SCIPcheckStage(scip, "SCIPincludePricer", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
95 pricerfree, pricerinit, pricerexit, pricerinitsol, pricerexitsol, pricerredcost, pricerfarkas, pricerdata) );
101 /** creates a variable pricer and includes it in SCIP with all non-fundamental callbacks set to NULL;
102 * if needed, these can be added afterwards via setter functions SCIPsetPricerCopy(), SCIPsetPricerFree(),
106 * To use the variable pricer for solving a problem, it first has to be activated with a call to SCIPactivatePricer().
109 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
116 * @note if you want to set all callbacks with a single method call, consider using SCIPincludePricer() instead
129 SCIP_DECL_PRICERREDCOST((*pricerredcost)),/**< reduced cost pricing method of variable pricer for feasible LPs */
130 SCIP_DECL_PRICERFARKAS((*pricerfarkas)), /**< Farkas pricing method of variable pricer for infeasible LPs */
136 SCIP_CALL( SCIPcheckStage(scip, "SCIPincludePricerBasic", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
159 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
169 SCIP_DECL_PRICERCOPY ((*pricercopy)) /**< copy method of pricer or NULL if you don't want to copy your plugin into sub-SCIPs */
172 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerCopy", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
183 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
196 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerFree", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
207 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
220 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerInit", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
231 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
244 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerExit", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
255 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
265 SCIP_DECL_PRICERINITSOL ((*pricerinitsol))/**< solving process initialization method of pricer */
268 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerInitsol", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
279 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
289 SCIP_DECL_PRICEREXITSOL((*pricerexitsol)) /**< solving process deinitialization method of pricer */
292 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerExitsol", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
314 /** returns the array of currently available variable pricers; active pricers are in the first slots of the array */
338 /** returns the number of currently active variable pricers, that are used in the LP solving loop */
365 * This method should be called during the problem creation stage for all pricers that are necessary to solve
369 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
380 SCIP_CALL( SCIPcheckStage(scip, "SCIPactivatePricer", FALSE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
389 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
402 SCIP_CALL( SCIPcheckStage(scip, "SCIPdeactivatePricer", FALSE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE, FALSE) );
SCIP_RETCODE SCIPsetPricerPriority(SCIP *scip, SCIP_PRICER *pricer, int priority)
Definition: scip_pricer.c:350
SCIP_RETCODE SCIPpricerDeactivate(SCIP_PRICER *pricer, SCIP_SET *set)
Definition: pricer.c:364
void SCIPpricerSetInit(SCIP_PRICER *pricer, SCIP_DECL_PRICERINIT((*pricerinit)))
Definition: pricer.c:544
void SCIPpricerSetExitsol(SCIP_PRICER *pricer, SCIP_DECL_PRICEREXITSOL((*pricerexitsol)))
Definition: pricer.c:577
Definition: struct_scip.h:59
SCIP_PRICER * SCIPsetFindPricer(SCIP_SET *set, const char *name)
Definition: set.c:3744
SCIP_PRICER * SCIPfindPricer(SCIP *scip, const char *name)
Definition: scip_pricer.c:302
void SCIPpricerSetFree(SCIP_PRICER *pricer, SCIP_DECL_PRICERFREE((*pricerfree)))
Definition: pricer.c:533
SCIP_RETCODE SCIPsetPricerExit(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICEREXIT((*pricerexit)))
Definition: scip_pricer.c:238
SCIP_RETCODE SCIPsetPricerExitsol(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICEREXITSOL((*pricerexitsol)))
Definition: scip_pricer.c:286
Definition: struct_pricer.h:37
void SCIPpricerSetPriority(SCIP_PRICER *pricer, SCIP_SET *set, int priority)
Definition: pricer.c:618
void SCIPpricerSetCopy(SCIP_PRICER *pricer, SCIP_DECL_PRICERCOPY((*pricercopy)))
Definition: pricer.c:522
SCIP_RETCODE SCIPdeactivatePricer(SCIP *scip, SCIP_PRICER *pricer)
Definition: scip_pricer.c:397
SCIP_RETCODE SCIPincludePricerBasic(SCIP *scip, SCIP_PRICER **pricerptr, const char *name, const char *desc, int priority, SCIP_Bool delay, SCIP_DECL_PRICERREDCOST((*pricerredcost)), SCIP_DECL_PRICERFARKAS((*pricerfarkas)), SCIP_PRICERDATA *pricerdata)
Definition: scip_pricer.c:118
SCIP_RETCODE SCIPcheckStage(SCIP *scip, const char *method, SCIP_Bool init, SCIP_Bool problem, SCIP_Bool transforming, SCIP_Bool transformed, SCIP_Bool initpresolve, SCIP_Bool presolving, SCIP_Bool exitpresolve, SCIP_Bool presolved, SCIP_Bool initsolve, SCIP_Bool solving, SCIP_Bool solved, SCIP_Bool exitsolve, SCIP_Bool freetrans, SCIP_Bool freescip)
Definition: debug.c:2177
SCIP_RETCODE SCIPsetIncludePricer(SCIP_SET *set, SCIP_PRICER *pricer)
Definition: set.c:3721
Definition: type_retcode.h:33
internal methods for variable pricers
internal methods for global SCIP settings
SCIP main data structure.
SCIP_RETCODE SCIPsetPricerInit(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICERINIT((*pricerinit)))
Definition: scip_pricer.c:214
SCIP_DECL_PRICERFARKAS(ObjPricerVRP::scip_farkas)
Definition: pricer_vrp.cpp:237
SCIP_RETCODE SCIPactivatePricer(SCIP *scip, SCIP_PRICER *pricer)
Definition: scip_pricer.c:375
SCIP_DECL_PRICERREDCOST(ObjPricerVRP::scip_redcost)
Definition: pricer_vrp.cpp:216
SCIP_RETCODE SCIPpricerCreate(SCIP_PRICER **pricer, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, BMS_BLKMEM *blkmem, const char *name, const char *desc, int priority, SCIP_Bool delay, SCIP_DECL_PRICERCOPY((*pricercopy)), SCIP_DECL_PRICERFREE((*pricerfree)), SCIP_DECL_PRICERINIT((*pricerinit)), SCIP_DECL_PRICEREXIT((*pricerexit)), SCIP_DECL_PRICERINITSOL((*pricerinitsol)), SCIP_DECL_PRICEREXITSOL((*pricerexitsol)), SCIP_DECL_PRICERREDCOST((*pricerredcost)), SCIP_DECL_PRICERFARKAS((*pricerfarkas)), SCIP_PRICERDATA *pricerdata)
Definition: pricer.c:164
methods for debugging
datastructures for block memory pools and memory buffers
SCIP_RETCODE SCIPsetPricerFree(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICERFREE((*pricerfree)))
Definition: scip_pricer.c:190
void SCIPpricerSetInitsol(SCIP_PRICER *pricer, SCIP_DECL_PRICERINITSOL((*pricerinitsol)))
Definition: pricer.c:566
SCIP_RETCODE SCIPpricerActivate(SCIP_PRICER *pricer, SCIP_SET *set)
Definition: pricer.c:344
SCIP_RETCODE SCIPsetPricerInitsol(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICERINITSOL((*pricerinitsol)))
Definition: scip_pricer.c:262
public methods for variable pricer plugins
public methods for message output
SCIP_RETCODE SCIPincludePricer(SCIP *scip, const char *name, const char *desc, int priority, SCIP_Bool delay, SCIP_DECL_PRICERCOPY((*pricercopy)), SCIP_DECL_PRICERFREE((*pricerfree)), SCIP_DECL_PRICERINIT((*pricerinit)), SCIP_DECL_PRICEREXIT((*pricerexit)), SCIP_DECL_PRICERINITSOL((*pricerinitsol)), SCIP_DECL_PRICEREXITSOL((*pricerexitsol)), SCIP_DECL_PRICERREDCOST((*pricerredcost)), SCIP_DECL_PRICERFARKAS((*pricerfarkas)), SCIP_PRICERDATA *pricerdata)
Definition: scip_pricer.c:60
SCIP_RETCODE SCIPsetPricerCopy(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICERCOPY((*pricercopy)))
Definition: scip_pricer.c:166
void SCIPpricerSetExit(SCIP_PRICER *pricer, SCIP_DECL_PRICEREXIT((*pricerexit)))
Definition: pricer.c:555
Definition: type_retcode.h:43
Definition: objbenders.h:33
datastructures for global SCIP settings