pricer.c
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23 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
72 SCIP_CALL( SCIPsetPricerPriority(scip, (SCIP_PRICER*)paramdata, SCIPparamGetInt(param)) ); /*lint !e740*/
91 SCIPsetDebugMsg(set, "including pricer %s in subscip %p\n", SCIPpricerGetName(pricer), (void*)set->scip);
109 SCIP_DECL_PRICERCOPY ((*pricercopy)), /**< copy method of pricer or NULL if you don't want to copy your plugin into sub-SCIPs */
113 SCIP_DECL_PRICERINITSOL((*pricerinitsol)),/**< solving process initialization method of variable pricer */
114 SCIP_DECL_PRICEREXITSOL((*pricerexitsol)),/**< solving process deinitialization method of variable pricer */
115 SCIP_DECL_PRICERREDCOST((*pricerredcost)),/**< reduced cost pricing method of variable pricer for feasible LPs */
116 SCIP_DECL_PRICERFARKAS((*pricerfarkas)), /**< Farkas pricing method of variable pricer for infeasible LPs */
162 * To use the variable pricer for solving a problem, it first has to be activated with a call to SCIPactivatePricer().
174 SCIP_DECL_PRICERCOPY ((*pricercopy)), /**< copy method of pricer or NULL if you don't want to copy your plugin into sub-SCIPs */
178 SCIP_DECL_PRICERINITSOL((*pricerinitsol)),/**< solving process initialization method of variable pricer */
179 SCIP_DECL_PRICEREXITSOL((*pricerexitsol)),/**< solving process deinitialization method of variable pricer */
180 SCIP_DECL_PRICERREDCOST((*pricerredcost)),/**< reduced cost pricing method of variable pricer for feasible LPs */
181 SCIP_DECL_PRICERFARKAS((*pricerfarkas)), /**< Farkas pricing method of variable pricer for infeasible LPs */
190 SCIP_CALL_FINALLY( doPricerCreate(pricer, set, messagehdlr, blkmem, name, desc, priority, delay, pricercopy,
191 pricerfree, pricerinit, pricerexit, pricerinitsol, pricerexitsol, pricerredcost, pricerfarkas, pricerdata),
461 /** depending on the LP's solution status, calls reduced cost or Farkas pricing method of variable pricer */
568 SCIP_DECL_PRICERINITSOL ((*pricerinitsol))/**< solving process initialization callback of pricer */
579 SCIP_DECL_PRICEREXITSOL ((*pricerexitsol))/**< solving process deinitialization callback of pricer */
631 /** gets the number of times, the pricer was called and tried to find a variable with negative reduced costs */
void SCIPpricerEnableOrDisableClocks(SCIP_PRICER *pricer, SCIP_Bool enable)
Definition: pricer.c:672
SCIP_RETCODE SCIPsetPricerPriority(SCIP *scip, SCIP_PRICER *pricer, int priority)
Definition: scip_pricer.c:350
SCIP_RETCODE SCIPpricerInit(SCIP_PRICER *pricer, SCIP_SET *set)
Definition: pricer.c:225
Definition: type_result.h:33
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 SCIPpricerSetData(SCIP_PRICER *pricer, SCIP_PRICERDATA *pricerdata)
Definition: pricer.c:511
void SCIPpricerSetExitsol(SCIP_PRICER *pricer, SCIP_DECL_PRICEREXITSOL((*pricerexitsol)))
Definition: pricer.c:577
int SCIPpricestoreGetNVars(SCIP_PRICESTORE *pricestore)
Definition: pricestore.c:600
internal methods for clocks and timing issues
Definition: type_result.h:49
SCIP_RETCODE SCIPpricerInitsol(SCIP_PRICER *pricer, SCIP_SET *set)
Definition: pricer.c:296
Definition: struct_message.h:36
SCIP_RETCODE SCIPpricerRedcost(SCIP_PRICER *pricer, SCIP_SET *set, SCIP_PROB *prob, SCIP_Real *lowerbound, SCIP_Bool *stopearly, SCIP_RESULT *result)
Definition: pricer.c:383
void SCIPpricerSetFree(SCIP_PRICER *pricer, SCIP_DECL_PRICERFREE((*pricerfree)))
Definition: pricer.c:533
Definition: struct_prob.h:39
internal methods for handling parameter settings
void SCIPclockEnableOrDisable(SCIP_CLOCK *clck, SCIP_Bool enable)
Definition: clock.c:251
Definition: struct_pricer.h:37
SCIP_RETCODE SCIPpricerCopyInclude(SCIP_PRICER *pricer, SCIP_SET *set, SCIP_Bool *valid)
Definition: pricer.c:78
internal methods for LP management
Definition: heur_padm.c:123
void SCIPpricerSetPriority(SCIP_PRICER *pricer, SCIP_SET *set, int priority)
Definition: pricer.c:618
SCIP_RETCODE SCIPpricerExit(SCIP_PRICER *pricer, SCIP_SET *set)
Definition: pricer.c:265
Definition: struct_set.h:63
Definition: type_clock.h:34
void SCIPpricerSetCopy(SCIP_PRICER *pricer, SCIP_DECL_PRICERCOPY((*pricercopy)))
Definition: pricer.c:522
internal methods for storing and manipulating the main problem
Definition: type_retcode.h:42
Definition: struct_pricestore.h:38
SCIP_RETCODE SCIPpricerFree(SCIP_PRICER **pricer, SCIP_SET *set)
Definition: pricer.c:198
static SCIP_RETCODE doPricerCreate(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:99
Definition: type_retcode.h:33
internal methods for variable pricers
internal methods for global SCIP settings
internal methods for storing priced variables
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:3014
SCIP_DECL_PRICERFARKAS(ObjPricerVRP::scip_farkas)
Definition: pricer_vrp.cpp:237
SCIP_RETCODE SCIPclockCreate(SCIP_CLOCK **clck, SCIP_CLOCKTYPE clocktype)
Definition: clock.c:161
SCIP_RETCODE SCIPpricerFarkas(SCIP_PRICER *pricer, SCIP_SET *set, SCIP_PROB *prob, SCIP_RESULT *result)
Definition: pricer.c:423
SCIP_DECL_PRICERREDCOST(ObjPricerVRP::scip_redcost)
Definition: pricer_vrp.cpp:216
public data structures and miscellaneous methods
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
SCIP_RETCODE SCIPpricerExitsol(SCIP_PRICER *pricer, SCIP_SET *set)
Definition: pricer.c:320
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
Definition: type_set.h:36
SCIP_Bool SCIPpricerIsInitialized(SCIP_PRICER *pricer)
Definition: pricer.c:704
Definition: struct_lp.h:259
public methods for message output
data structures for variable pricers
Definition: type_lp.h:35
common defines and data types used in all packages of SCIP
void SCIPpricerSetExit(SCIP_PRICER *pricer, SCIP_DECL_PRICEREXIT((*pricerexit)))
Definition: pricer.c:555
SCIP_RETCODE SCIPpricerExec(SCIP_PRICER *pricer, SCIP_SET *set, SCIP_PROB *prob, SCIP_LP *lp, SCIP_PRICESTORE *pricestore, SCIP_Real *lowerbound, SCIP_Bool *stopearly, SCIP_RESULT *result)
Definition: pricer.c:462
Definition: objbenders.h:33
SCIP callable library.