SCIP

Solving Constraint Integer Programs

Detailed Description

public methods for variable pricers

Author: Tobias Achterberg

Definition in file pub_pricer.h.

#include "scip/def.h"
#include "scip/type_misc.h"
#include "scip/type_pricer.h"

Go to the source code of this file.

Functions
	SCIP_DECL_SORTPTRCOMP (SCIPpricerComp)

	SCIP_DECL_SORTPTRCOMP (SCIPpricerCompName)

SCIP_PRICERDATA *	SCIPpricerGetData (SCIP_PRICER *pricer)

void	SCIPpricerSetData (SCIP_PRICER pricer, SCIP_PRICERDATA pricerdata)

const char *	SCIPpricerGetName (SCIP_PRICER *pricer)

const char *	SCIPpricerGetDesc (SCIP_PRICER *pricer)

int	SCIPpricerGetPriority (SCIP_PRICER *pricer)

int	SCIPpricerGetNCalls (SCIP_PRICER *pricer)

int	SCIPpricerGetNVarsFound (SCIP_PRICER *pricer)

SCIP_Real	SCIPpricerGetSetupTime (SCIP_PRICER *pricer)

SCIP_Real	SCIPpricerGetTime (SCIP_PRICER *pricer)

SCIP_Bool	SCIPpricerIsActive (SCIP_PRICER *pricer)

SCIP_Bool	SCIPpricerIsDelayed (SCIP_PRICER *pricer)

SCIP_Bool	SCIPpricerIsInitialized (SCIP_PRICER *pricer)

Function Documentation

SCIP_DECL_SORTPTRCOMP ( SCIPpricerComp )

compares two pricers w. r. to their priority

compares two pricers w. r. to their activity and their priority

Definition at line 44 of file pricer.c.

SCIP_DECL_SORTPTRCOMP ( SCIPpricerCompName )

comparison method for sorting pricers w.r.t. to their name

Definition at line 53 of file pricer.c.

References SCIPpricerGetName().

SCIP_PRICERDATA* SCIPpricerGetData ( SCIP_PRICER * pricer )

gets user data of variable pricer

Parameters

pricer variable pricer

Definition at line 463 of file pricer.c.

References NULL, and SCIP_Pricer::pricerdata.

Referenced by SCIP_DECL_PRICERCOPY(), SCIP_DECL_PRICEREXIT(), SCIP_DECL_PRICEREXITSOL(), SCIP_DECL_PRICERFARKAS(), SCIP_DECL_PRICERFREE(), SCIP_DECL_PRICERINIT(), SCIP_DECL_PRICERINITSOL(), SCIP_DECL_PRICERREDCOST(), SCIPfindObjPricer(), and SCIPgetObjPricer().

void SCIPpricerSetData	(	SCIP_PRICER *	pricer,
		SCIP_PRICERDATA *	pricerdata
	)

sets user data of variable pricer; user has to free old data in advance!

Parameters

pricer	variable pricer
pricerdata	new variable pricer user data

Definition at line 473 of file pricer.c.

References NULL, and SCIP_Pricer::pricerdata.

Referenced by SCIP_DECL_PRICERFREE().

const char* SCIPpricerGetName ( SCIP_PRICER * pricer )

gets name of variable pricer

Parameters

pricer variable pricer

Definition at line 550 of file pricer.c.

References SCIP_Pricer::name, and NULL.

Referenced by printPricerStatistics(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_SORTPTRCOMP(), SCIPincludeDialogDefaultFix(), SCIPincludeDialogDefaultSet(), SCIPpriceLoop(), SCIPpricerCopyInclude(), and SCIPsetFindReader().

const char* SCIPpricerGetDesc ( SCIP_PRICER * pricer )

gets description of variable pricer

Parameters

pricer variable pricer

Definition at line 560 of file pricer.c.

References SCIP_Pricer::desc, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC(), SCIPincludeDialogDefaultFix(), and SCIPincludeDialogDefaultSet().

int SCIPpricerGetPriority ( SCIP_PRICER * pricer )

gets priority of variable pricer

Parameters

pricer variable pricer

Definition at line 570 of file pricer.c.

References NULL, and SCIP_Pricer::priority.

Referenced by SCIP_DECL_DIALOGEXEC().

int SCIPpricerGetNCalls ( SCIP_PRICER * pricer )

gets the number of times, the pricer was called and tried to find a variable with negative reduced costs

Parameters

pricer variable pricer

Definition at line 594 of file pricer.c.

References SCIP_Pricer::ncalls, and NULL.

Referenced by printPricerStatistics().

int SCIPpricerGetNVarsFound ( SCIP_PRICER * pricer )

gets the number of variables with negative reduced costs found by this pricer

Parameters

pricer variable pricer

Definition at line 604 of file pricer.c.

References NULL, and SCIP_Pricer::nvarsfound.

Referenced by printPricerStatistics().

SCIP_Real SCIPpricerGetSetupTime ( SCIP_PRICER * pricer )

gets time in seconds used in this pricer for setting up for next stages

Parameters

pricer variable pricer

Definition at line 614 of file pricer.c.

References NULL, SCIPclockGetTime(), and SCIP_Pricer::setuptime.

Referenced by printPricerStatistics().

SCIP_Real SCIPpricerGetTime ( SCIP_PRICER * pricer )

gets time in seconds used in this pricer

Parameters

pricer variable pricer

Definition at line 624 of file pricer.c.

References NULL, SCIP_Pricer::pricerclock, and SCIPclockGetTime().

Referenced by printPricerStatistics().

SCIP_Bool SCIPpricerIsActive ( SCIP_PRICER * pricer )

returns whether the given pricer is in use in the current problem

Parameters

pricer variable pricer

Definition at line 646 of file pricer.c.

References SCIP_Pricer::active, and NULL.

Referenced by SCIP_DECL_PARAMCHGD().

SCIP_Bool SCIPpricerIsDelayed ( SCIP_PRICER * pricer )

returns whether the pricer should be delayed until no other pricer finds a new variable

Parameters

pricer variable pricer

Definition at line 656 of file pricer.c.

References SCIP_Pricer::delay, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC().

SCIP_Bool SCIPpricerIsInitialized ( SCIP_PRICER * pricer )

is variable pricer initialized?

Parameters

pricer variable pricer

Definition at line 666 of file pricer.c.

References SCIP_Pricer::initialized, and NULL.