SdpVarmapper.h File Reference

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

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Typedefs
typedef struct Sdpvarmapper	SdpVarmapper

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

Detailed Description

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

SCIP_EXPORT 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 53 of file SdpVarmapper.c.

Referenced by SCIP_DECL_RELAXINITSOL().

SCIP_EXPORT 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 80 of file SdpVarmapper.c.

Referenced by SCIP_DECL_RELAXEXITSOL().

SCIP_EXPORT 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 108 of file SdpVarmapper.c.

Referenced by SCIP_DECL_RELAXINITSOL(), and SCIPsdpVarmapperInsertVar().

SCIP_EXPORT 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 162 of file SdpVarmapper.c.

References SCIPsdpVarmapperAddVars().

SCIP_EXPORT int SCIPsdpVarmapperGetNVars

(

SdpVarmapper *

varmapper

)

gets the number of variables

Parameters

varmapper

varmapper to get number of variables for

Definition at line 215 of file SdpVarmapper.c.

Referenced by calcRelax(), putSdpDataInInterface(), and SCIPrelaxSdpComputeAnalyticCenters().

SCIP_EXPORT 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 225 of file SdpVarmapper.c.

SCIP_EXPORT 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 237 of file SdpVarmapper.c.

Referenced by calcRelax(), putLpDataInInterface(), and putSdpDataInInterface().

SCIP_EXPORT 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 253 of file SdpVarmapper.c.

Referenced by calcRelax().

SCIP_EXPORT 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 265 of file SdpVarmapper.c.

SCIP_EXPORT 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 305 of file SdpVarmapper.c.

SCIP_EXPORT 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 336 of file SdpVarmapper.c.