SdpVarmapper.h File Reference

class that maps SCIP variables to SDP indices (the SCIP variables are given SDP indices in the order in which they were inserted) More...

Go to the source code of this file.

Typedefs
typedef struct Sdpvarmapper	SdpVarmapper

Functions
EXTERN SCIP_RETCODE	SCIPsdpVarmapperCreate (SCIP *scip, SdpVarmapper **varmapper, int size)
EXTERN SCIP_RETCODE	SCIPsdpVarmapperFree (SCIP *scip, SdpVarmapper **varmapper)
EXTERN SCIP_RETCODE	SCIPsdpVarmapperAddVars (SCIP *scip, SdpVarmapper *varmapper, int nvars, SCIP_VAR **vars)
EXTERN SCIP_RETCODE	SCIPsdpVarmapperInsertVar (SCIP *scip, SdpVarmapper *varmapper, SCIP_VAR *var, int pos)
EXTERN int	SCIPsdpVarmapperGetNVars (SdpVarmapper *varmapper)
EXTERN SCIP_Bool	SCIPsdpVarmapperExistsSCIPvar (SdpVarmapper *varmapper, SCIP_VAR *var)
EXTERN int	SCIPsdpVarmapperGetSdpIndex (SdpVarmapper *varmapper, SCIP_VAR *var)
EXTERN SCIP_VAR *	SCIPsdpVarmapperGetSCIPvar (SdpVarmapper *varmapper, int ind)
EXTERN SCIP_RETCODE	SCIPsdpVarmapperRemoveSdpIndex (SCIP *scip, SdpVarmapper *varmapper, int ind)
EXTERN SCIP_RETCODE	SCIPsdpVarmapperTransform (SCIP *scip, SdpVarmapper *varmapper)
EXTERN SCIP_RETCODE	SCIPsdpVarmapperClone (SCIP *scip, SdpVarmapper *oldmapper, SdpVarmapper *newmapper)

Detailed Description

class that maps SCIP variables to SDP indices (the SCIP variables are given SDP indices in the order in which they were inserted)

Author

Tristan Gally

Definition in file SdpVarmapper.h.

Typedef Documentation

typedef struct Sdpvarmapper SdpVarmapper

Definition at line 48 of file SdpVarmapper.h.

Function Documentation

EXTERN SCIP_RETCODE SCIPsdpVarmapperCreate	(	SCIP *	scip,
		SdpVarmapper **	varmapper,
		int	size
	)

creates the SDP varmapper

Parameters

scip	SCIP data structure
varmapper	Pointer to the varmapper that should be created
size	initial size of the sciptosdp-hashmap

Definition at line 58 of file SdpVarmapper.c.

Referenced by SCIP_DECL_RELAXINITSOL().

EXTERN SCIP_RETCODE SCIPsdpVarmapperFree	(	SCIP *	scip,
		SdpVarmapper **	varmapper
	)

frees the SDP varmapper

Parameters

scip	SCIP data structure
varmapper	Pointer to the varmapper that should be freed

Definition at line 85 of file SdpVarmapper.c.

Referenced by SCIP_DECL_RELAXEXIT().

EXTERN SCIP_RETCODE SCIPsdpVarmapperAddVars	(	SCIP *	scip,
		SdpVarmapper *	varmapper,
		int	nvars,
		SCIP_VAR **	vars
	)

adds the given variables (if not already existent) to the end of the varmapper

Parameters

scip	SCIP data structure
varmapper	varmapper to add variables to
nvars	number of variables to add to the varmapper
vars	SCIP variables to add to the varmapper

Definition at line 113 of file SdpVarmapper.c.

Referenced by SCIP_DECL_RELAXINITSOL(), and SCIPsdpVarmapperInsertVar().

EXTERN SCIP_RETCODE SCIPsdpVarmapperInsertVar	(	SCIP *	scip,
		SdpVarmapper *	varmapper,
		SCIP_VAR *	var,
		int	pos
	)

adds the given variable (if not already existent) to the varmapper at the given position

Parameters

scip	SCIP data structure
varmapper	varmapper to add variable to
var	SCIP variable to add to the varmapper
pos	position where the variable should be added

Definition at line 163 of file SdpVarmapper.c.

References SCIPsdpVarmapperAddVars().

EXTERN int SCIPsdpVarmapperGetNVars

(

SdpVarmapper *

varmapper

)

gets the number of variables

Parameters

varmapper

varmapper to get number of variables for

Definition at line 208 of file SdpVarmapper.c.

EXTERN SCIP_Bool SCIPsdpVarmapperExistsSCIPvar	(	SdpVarmapper *	varmapper,
		SCIP_VAR *	var
	)

Is the given SCIP variable included in the varmapper?

Parameters

varmapper	varmapper to search in
var	SCIP variable to search for

Definition at line 218 of file SdpVarmapper.c.

EXTERN int SCIPsdpVarmapperGetSdpIndex	(	SdpVarmapper *	varmapper,
		SCIP_VAR *	var
	)

gets the SDP-index for the given SCIP variable

Parameters

varmapper	varmapper to get variable index for
var	SCIP variable to get SDP-index for

Definition at line 230 of file SdpVarmapper.c.

Referenced by putLpDataInInterface(), and putSdpDataInInterface().

EXTERN SCIP_VAR* SCIPsdpVarmapperGetSCIPvar	(	SdpVarmapper *	varmapper,
		int	ind
	)

gets the corresponding SCIP variable for the given SDP variable-index

Parameters

varmapper	varmapper to extract variable from
ind	index of the SDP-variable

Definition at line 242 of file SdpVarmapper.c.

Referenced by calcRelax().

EXTERN SCIP_RETCODE SCIPsdpVarmapperRemoveSdpIndex	(	SCIP *	scip,
		SdpVarmapper *	varmapper,
		int	ind
	)

removes the variable for the given SDP-index from the varmapper, decreasing the indices of all later variables by 1

Parameters

scip	SCIP data structure
varmapper	varmapper to remove variable from
ind	index of the SDP-variable

Definition at line 254 of file SdpVarmapper.c.

EXTERN SCIP_RETCODE SCIPsdpVarmapperTransform	(	SCIP *	scip,
		SdpVarmapper *	varmapper
	)

swaps all SCIP variables for their transformed counterparts

Parameters

scip	SCIP data structure
varmapper	pointer to the varmapper that should be transformed

Definition at line 290 of file SdpVarmapper.c.

EXTERN SCIP_RETCODE SCIPsdpVarmapperClone	(	SCIP *	scip,
		SdpVarmapper *	oldmapper,
		SdpVarmapper *	newmapper
	)

clones the varmapper in the second argument to the varmapper in the third argument

Parameters

scip	SCIP data structure
oldmapper	pointer to the varmapper that should be cloned
newmapper	pointer to the varmapper that should become a clone of the other one

Definition at line 318 of file SdpVarmapper.c.