pub_reopt.h File Reference

Detailed Description

public methods for reoptimization

Author

Jakob Witzig

Definition in file pub_reopt.h.

#include "scip/def.h"
#include "scip/type_reopt.h"

Go to the source code of this file.

Functions
int	SCIPreoptnodeGetNVars (SCIP_REOPTNODE *reoptnode)
int	SCIPreoptnodeGetNConss (SCIP_REOPTNODE *reoptnode)
int	SCIPreoptnodeGetNDualBoundChgs (SCIP_REOPTNODE *reoptnode)
int	SCIPreoptnodeGetNChildren (SCIP_REOPTNODE *reoptnode)
SCIP_Real	SCIPreoptnodeGetLowerbound (SCIP_REOPTNODE *reoptnode)
SCIP_REOPTTYPE	SCIPreoptnodeGetType (SCIP_REOPTNODE *reoptnode)
void	SCIPreoptnodeGetSplitCons (SCIP_REOPTNODE *reoptnode, SCIP_VAR **vars, SCIP_Real *vals, REOPT_CONSTYPE *constype, int conssize, int *nvars)
void	SCIPreoptnodeGetConss (SCIP_REOPTNODE *reoptnode, SCIP_VAR ***vars, SCIP_Real **vals, int mem, int *nconss, int *nvars)
void	SCIPreoptnodeSetParentID (SCIP_REOPTNODE *reoptnode, unsigned int parentid)
int	SCIPreoptGetNRestartsGlobal (SCIP_REOPT *reopt)
int	SCIPreoptGetNRestartsLocal (SCIP_REOPT *reopt)
int	SCIPreoptGetNTotalRestartsLocal (SCIP_REOPT *reopt)
int	SCIPreoptGetFirstRestarts (SCIP_REOPT *reopt)
int	SCIPreoptGetLastRestarts (SCIP_REOPT *reopt)
int	SCIPreoptGetNFeasNodes (SCIP_REOPT *reopt)
int	SCIPreoptGetNTotalFeasNodes (SCIP_REOPT *reopt)
int	SCIPreoptGetNPrunedNodes (SCIP_REOPT *reopt)
int	SCIPreoptGetNTotalPrunedNodes (SCIP_REOPT *reopt)
int	SCIPreoptGetNCutoffReoptnodes (SCIP_REOPT *reopt)
int	SCIPreoptGetNTotalCutoffReoptnodes (SCIP_REOPT *reopt)
int	SCIPreoptGetNInfNodes (SCIP_REOPT *reopt)
int	SCIPreoptGetNTotalInfNodes (SCIP_REOPT *reopt)
int	SCIPreoptGetNInfSubtrees (SCIP_REOPT *reopt)

Function Documentation

int SCIPreoptnodeGetNVars

(

SCIP_REOPTNODE *

reoptnode

)

returns the number of bound changes stored in the reoptnode

Parameters

reoptnode

node of the reoptimization tree

int SCIPreoptnodeGetNConss

(

SCIP_REOPTNODE *

reoptnode

)

returns the number of bound changes at the node stored at ID id

Parameters

reoptnode

node of the reoptimization tree

int SCIPreoptnodeGetNDualBoundChgs

(

SCIP_REOPTNODE *

reoptnode

)

returns the number of stored bound changes based on dual information in the reopttree at ID id

Parameters

reoptnode

node of the reoptimization tree

int SCIPreoptnodeGetNChildren

(

SCIP_REOPTNODE *

reoptnode

)

returns the number of child nodes of reoptnode

Parameters

reoptnode

node of the reoptimizzation tree

SCIP_Real SCIPreoptnodeGetLowerbound

(

SCIP_REOPTNODE *

reoptnode

)

Parameters

reoptnode

node of the reoptimization tree

SCIP_REOPTTYPE SCIPreoptnodeGetType

(

SCIP_REOPTNODE *

reoptnode

)

returns the type of the reoptnode

Parameters

reoptnode

node of the reoptimization tree

void SCIPreoptnodeGetSplitCons	(	SCIP_REOPTNODE *	reoptnode,
		SCIP_VAR **	vars,
		SCIP_Real *	vals,
		REOPT_CONSTYPE *	constype,
		int	conssize,
		int *	nvars
	)

create the constraint which splits the node stored at ID id on the basis of the stored dual information.

Parameters

reoptnode	node of the reoptimization tree
vars	array to store the variables of the constraint
vals	array to store the coefficients of the variables
constype	type of the constraint
conssize	size of the arrays
nvars	pointer to store the size of the constraints

void SCIPreoptnodeGetConss	(	SCIP_REOPTNODE *	reoptnode,
		SCIP_VAR ***	vars,
		SCIP_Real **	vals,
		int	mem,
		int *	nconss,
		int *	nvars
	)

returns all added constraints at ID id

Parameters

reoptnode	reoptimization data structure
vars	2-dim array of variables
vals	2-dim array of values
mem	allocated memory for constraints
nconss	pointer to store the number of constraints
nvars	pointer to store the number of variables

void SCIPreoptnodeSetParentID	(	SCIP_REOPTNODE *	reoptnode,
		unsigned int	parentid
	)

set the parent id

Parameters

reoptnode	node of the reopttree
parentid	id of the parent node

int SCIPreoptGetNRestartsGlobal

(

SCIP_REOPT *

reopt

)

returns the number of global restarts

Parameters

reopt

reoptimization data

int SCIPreoptGetNRestartsLocal

(

SCIP_REOPT *

reopt

)

returns the number of local restarts in the current run

Parameters

reopt

reoptimization data structure

int SCIPreoptGetNTotalRestartsLocal

(

SCIP_REOPT *

reopt

)

returns the number of local restarts over all runs

Parameters

reopt

reoptimization data structure

int SCIPreoptGetFirstRestarts

(

SCIP_REOPT *

reopt

)

returns the number of iteration with the first global restarts

Parameters

reopt

reoptimization data structure

int SCIPreoptGetLastRestarts

(

SCIP_REOPT *

reopt

)

returns the number of iteration with the last global restarts

Parameters

reopt

reoptimization data structure

int SCIPreoptGetNFeasNodes

(

SCIP_REOPT *

reopt

)

returns the number of nodes providing an improving feasible LP solution in the current run

Parameters

reopt

reoptimization data structure

int SCIPreoptGetNTotalFeasNodes

(

SCIP_REOPT *

reopt

)

returns the number of nodes providing an improving feasible LP solution over all runs

Parameters

reopt

reoptimization data structure

int SCIPreoptGetNPrunedNodes

(

SCIP_REOPT *

reopt

)

returns the number of nodes that exceeded the cutoff bound in the current run

Parameters

reopt

reoptimization data structure

int SCIPreoptGetNTotalPrunedNodes

(

SCIP_REOPT *

reopt

)

returns the number of nodes that exceeded the cutoff bound over all runs

Parameters

reopt

reoptimization data structure

int SCIPreoptGetNCutoffReoptnodes

(

SCIP_REOPT *

reopt

)

returns the number of reoptimized nodes that were cut off in the current run

int SCIPreoptGetNTotalCutoffReoptnodes

(

SCIP_REOPT *

reopt

)

returns the number of reoptimized nodes that were cut off over all runs

int SCIPreoptGetNInfNodes

(

SCIP_REOPT *

reopt

)

returns the number of stored nodes with an infeasible LP in the current run

int SCIPreoptGetNTotalInfNodes

(

SCIP_REOPT *

reopt

)

returns the number of stored nodes with an infeasible LP over all runs

int SCIPreoptGetNInfSubtrees

(

SCIP_REOPT *

reopt

)

returns the number of found infeasible subtrees