scip_pricer.c
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43/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
55 * To use the variable pricer for solving a problem, it first has to be activated with a call to SCIPactivatePricer().
58 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
65 * @note method has all pricer callbacks as arguments and is thus changed every time a new callback is added
79 SCIP_DECL_PRICERCOPY ((*pricercopy)), /**< copy method of variable pricer or NULL if you don't want to copy your plugin into sub-SCIPs */
83 SCIP_DECL_PRICERINITSOL((*pricerinitsol)),/**< solving process initialization method of variable pricer */
84 SCIP_DECL_PRICEREXITSOL((*pricerexitsol)),/**< solving process deinitialization method of variable pricer */
85 SCIP_DECL_PRICERREDCOST((*pricerredcost)),/**< reduced cost pricing method of variable pricer for feasible LPs */
86 SCIP_DECL_PRICERFARKAS((*pricerfarkas)), /**< Farkas pricing method of variable pricer for infeasible LPs */
92 SCIP_CALL( SCIPcheckStage(scip, "SCIPincludePricer", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
104 pricerfree, pricerinit, pricerexit, pricerinitsol, pricerexitsol, pricerredcost, pricerfarkas, pricerdata) );
110/** creates a variable pricer and includes it in SCIP with all non-fundamental callbacks set to NULL;
111 * if needed, these can be added afterwards via setter functions SCIPsetPricerCopy(), SCIPsetPricerFree(),
115 * To use the variable pricer for solving a problem, it first has to be activated with a call to SCIPactivatePricer().
118 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
125 * @note if you want to set all callbacks with a single method call, consider using SCIPincludePricer() instead
138 SCIP_DECL_PRICERREDCOST((*pricerredcost)),/**< reduced cost pricing method of variable pricer for feasible LPs */
139 SCIP_DECL_PRICERFARKAS((*pricerfarkas)), /**< Farkas pricing method of variable pricer for infeasible LPs */
145 SCIP_CALL( SCIPcheckStage(scip, "SCIPincludePricerBasic", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
168 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
178 SCIP_DECL_PRICERCOPY ((*pricercopy)) /**< copy method of pricer or NULL if you don't want to copy your plugin into sub-SCIPs */
181 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerCopy", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
192 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
205 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerFree", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
216 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
229 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerInit", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
240 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
253 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerExit", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
264 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
274 SCIP_DECL_PRICERINITSOL ((*pricerinitsol))/**< solving process initialization method of pricer */
277 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerInitsol", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
288 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
298 SCIP_DECL_PRICEREXITSOL((*pricerexitsol)) /**< solving process deinitialization method of pricer */
301 SCIP_CALL( SCIPcheckStage(scip, "SCIPsetPricerExitsol", TRUE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
323/** returns the array of currently available variable pricers; active pricers are in the first slots of the array */
347/** returns the number of currently active variable pricers, that are used in the LP solving loop */
374 * This method should be called during the problem creation stage for all pricers that are necessary to solve
378 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
389 SCIP_CALL( SCIPcheckStage(scip, "SCIPactivatePricer", FALSE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE) );
398 * @return \ref SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See \ref
411 SCIP_CALL( SCIPcheckStage(scip, "SCIPdeactivatePricer", FALSE, TRUE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, TRUE, FALSE, FALSE) );
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:2208
methods for debugging
SCIP_RETCODE SCIPsetPricerCopy(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICERCOPY((*pricercopy)))
Definition: scip_pricer.c:175
SCIP_RETCODE SCIPsetPricerInitsol(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICERINITSOL((*pricerinitsol)))
Definition: scip_pricer.c:271
SCIP_RETCODE SCIPsetPricerExitsol(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICEREXITSOL((*pricerexitsol)))
Definition: scip_pricer.c:295
SCIP_PRICER * SCIPfindPricer(SCIP *scip, const char *name)
Definition: scip_pricer.c:311
SCIP_RETCODE SCIPsetPricerPriority(SCIP *scip, SCIP_PRICER *pricer, int priority)
Definition: scip_pricer.c:359
SCIP_RETCODE SCIPsetPricerInit(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICERINIT((*pricerinit)))
Definition: scip_pricer.c:223
SCIP_RETCODE SCIPsetPricerExit(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICEREXIT((*pricerexit)))
Definition: scip_pricer.c:247
SCIP_RETCODE SCIPactivatePricer(SCIP *scip, SCIP_PRICER *pricer)
Definition: scip_pricer.c:384
SCIP_RETCODE SCIPsetPricerFree(SCIP *scip, SCIP_PRICER *pricer, SCIP_DECL_PRICERFREE((*pricerfree)))
Definition: scip_pricer.c:199
SCIP_RETCODE SCIPdeactivatePricer(SCIP *scip, SCIP_PRICER *pricer)
Definition: scip_pricer.c:406
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:127
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:69
Definition: objbenders.h:44
void SCIPpricerSetInit(SCIP_PRICER *pricer, SCIP_DECL_PRICERINIT((*pricerinit)))
Definition: pricer.c:556
void SCIPpricerSetExitsol(SCIP_PRICER *pricer, SCIP_DECL_PRICEREXITSOL((*pricerexitsol)))
Definition: pricer.c:589
void SCIPpricerSetExit(SCIP_PRICER *pricer, SCIP_DECL_PRICEREXIT((*pricerexit)))
Definition: pricer.c:567
SCIP_RETCODE SCIPpricerDeactivate(SCIP_PRICER *pricer, SCIP_SET *set)
Definition: pricer.c:376
void SCIPpricerSetCopy(SCIP_PRICER *pricer, SCIP_DECL_PRICERCOPY((*pricercopy)))
Definition: pricer.c:534
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:173
void SCIPpricerSetInitsol(SCIP_PRICER *pricer, SCIP_DECL_PRICERINITSOL((*pricerinitsol)))
Definition: pricer.c:578
SCIP_RETCODE SCIPpricerActivate(SCIP_PRICER *pricer, SCIP_SET *set)
Definition: pricer.c:353
void SCIPpricerSetPriority(SCIP_PRICER *pricer, SCIP_SET *set, int priority)
Definition: pricer.c:630
void SCIPpricerSetFree(SCIP_PRICER *pricer, SCIP_DECL_PRICERFREE((*pricerfree)))
Definition: pricer.c:545
internal methods for variable pricers
SCIP_DECL_PRICERREDCOST(ObjPricerVRP::scip_redcost)
Definition: pricer_vrp.cpp:225
SCIP_DECL_PRICERFARKAS(ObjPricerVRP::scip_farkas)
Definition: pricer_vrp.cpp:246
public methods for message output
public methods for variable pricer plugins
SCIP_PRICER * SCIPsetFindPricer(SCIP_SET *set, const char *name)
Definition: set.c:3723
SCIP_RETCODE SCIPsetIncludePricer(SCIP_SET *set, SCIP_PRICER *pricer)
Definition: set.c:3700
internal methods for global SCIP settings
Definition: struct_pricer.h:47
Definition: struct_scip.h:70
datastructures for block memory pools and memory buffers
SCIP main data structure.
datastructures for global SCIP settings