/** creates the stp variable pricer and includes it in SCIP */
SCIP_RETCODE SCIPincludePricerStp(
SCIP* scip /**< SCIP data structure */
)
{
SCIP_PRICERDATA* pricerdata;
SCIP_PRICER* pricer;
SCIPdebugPrintf("include Pricer \n");
/* create stp variable pricer data */
SCIP_CALL( SCIPallocMemory(scip, &pricerdata) );
pricerdata->scip = scip;
/* include variable pricer */
pricer = NULL;
SCIP_CALL( SCIPincludePricerBasic(scip, &pricer, PRICER_NAME, PRICER_DESC, PRICER_PRIORITY, PRICER_DELAY,
pricerRedcostStp, pricerFarkasStp, pricerdata) );
assert(pricer != NULL);
/* set non fundamental callbacks via setter functions */
SCIP_CALL( SCIPsetPricerCopy(scip, pricer, pricerCopyStp) );
SCIP_CALL( SCIPsetPricerFree(scip, pricer, pricerFreeStp) );
SCIP_CALL( SCIPsetPricerInit(scip, pricer, pricerInitStp) );
SCIP_CALL( SCIPsetPricerInitsol(scip, pricer, pricerInitsolStp) );
SCIP_CALL( SCIPsetPricerExitsol(scip, pricer, pricerExitsolStp) );
return SCIP_OKAY;
}
/** creates the binpacking variable pricer and includes it in SCIP */
SCIP_RETCODE SCIPincludePricerBinpacking(
SCIP* scip /**< SCIP data structure */
)
{
SCIP_PRICERDATA* pricerdata;
SCIP_PRICER* pricer;
/* create binpacking variable pricer data */
SCIP_CALL( SCIPallocMemory(scip, &pricerdata) );
pricerdata->conshdlr = SCIPfindConshdlr(scip, "samediff");
assert(pricerdata->conshdlr != NULL);
pricerdata->conss = NULL;
pricerdata->weights = NULL;
pricerdata->ids = NULL;
pricerdata->nitems = 0;
pricerdata->capacity = 0;
/* include variable pricer */
SCIP_CALL( SCIPincludePricerBasic(scip, &pricer, PRICER_NAME, PRICER_DESC, PRICER_PRIORITY, PRICER_DELAY,
pricerRedcostBinpacking, pricerFarkasBinpacking, pricerdata) );
SCIP_CALL( SCIPsetPricerFree(scip, pricer, pricerFreeBinpacking) );
SCIP_CALL( SCIPsetPricerInit(scip, pricer, pricerInitBinpacking) );
SCIP_CALL( SCIPsetPricerExitsol(scip, pricer, pricerExitsolBinpacking) );
/* add binpacking variable pricer parameters */
/* TODO: (optional) add variable pricer specific parameters with SCIPaddTypeParam() here */
return SCIP_OKAY;
}
/** creates the xyz variable pricer and includes it in SCIP */
SCIP_RETCODE SCIPincludePricerXyz(
SCIP* scip /**< SCIP data structure */
)
{
SCIP_PRICERDATA* pricerdata;
SCIP_PRICER* pricer;
/* create xyz variable pricer data */
pricerdata = NULL;
/* TODO: (optional) create variable pricer specific data here */
pricer = NULL;
/* include variable pricer */
#if 0
/* use SCIPincludePricer() if you want to set all callbacks explicitly and realize (by getting compiler errors) when
* new callbacks are added in future SCIP versions
*/
SCIP_CALL( SCIPincludePricer(scip, PRICER_NAME, PRICER_DESC, PRICER_PRIORITY, PRICER_DELAY,
pricerCopyXyz, pricerFreeXyz, pricerInitXyz, pricerExitXyz,
pricerInitsolXyz, pricerExitsolXyz, pricerRedcostXyz, pricerFarkasXyz,
pricerdata) );
#else
/* use SCIPincludePricerBasic() plus setter functions if you want to set callbacks one-by-one and your code should
* compile independent of new callbacks being added in future SCIP versions
*/
SCIP_CALL( SCIPincludePricerBasic(scip, &pricer, PRICER_NAME, PRICER_DESC, PRICER_PRIORITY, PRICER_DELAY,
pricerRedcostXyz, pricerFarkasXyz, pricerdata) );
assert(pricer != NULL);
/* set non fundamental callbacks via setter functions */
SCIP_CALL( SCIPsetPricerCopy(scip, pricer, pricerCopyXyz) );
SCIP_CALL( SCIPsetPricerFree(scip, pricer, pricerFreeXyz) );
SCIP_CALL( SCIPsetPricerInit(scip, pricer, pricerInitXyz) );
SCIP_CALL( SCIPsetPricerExit(scip, pricer, pricerExitXyz) );
SCIP_CALL( SCIPsetPricerInitsol(scip, pricer, pricerInitsolXyz) );
SCIP_CALL( SCIPsetPricerExitsol(scip, pricer, pricerExitsolXyz) );
#endif
/* add xyz variable pricer parameters */
/* TODO: (optional) add variable pricer specific parameters with SCIPaddTypeParam() here */
return SCIP_OKAY;
}