compute_symmetry.h File Reference

Detailed Description

interface for symmetry computations

Author

Marc Pfetsch

Definition in file compute_symmetry.h.

#include "scip/scip.h"
#include "symmetry/struct_symmetry.h"
#include "symmetry/type_symmetry.h"

Go to the source code of this file.

Functions
SCIP_Bool	SYMcanComputeSymmetry (void)
const char *	SYMsymmetryGetName (void)
const char *	SYMsymmetryGetDesc (void)
const char *	SYMsymmetryGetAddName (void)
const char *	SYMsymmetryGetAddDesc (void)
SCIP_RETCODE	SYMcomputeSymmetryGenerators (SCIP *scip, int maxgenerators, SYM_GRAPH *graph, int *nperms, int *nmaxperms, int ***perms, SCIP_Real *log10groupsize, SCIP_Real *symcodetime)
SCIP_Bool	SYMcheckGraphsAreIdentical (SCIP *scip, SYM_SYMTYPE symtype, SYM_GRAPH *G1, SYM_GRAPH *G2)

Function Documentation

SYMcanComputeSymmetry()

SCIP_Bool SYMcanComputeSymmetry

(

void

)

return whether symmetry can be computed

Definition at line 148 of file compute_symmetry_bliss.cpp.

References FALSE, and TRUE.

Referenced by determineSymmetry(), and SCIPincludePropSymmetry().

SYMsymmetryGetName()

const char* SYMsymmetryGetName

(

void

)

return name of external program used to compute generators

Definition at line 154 of file compute_symmetry_bliss.cpp.

References nautyname.

Referenced by SCIPincludePropSymmetry().

SYMsymmetryGetDesc()

const char* SYMsymmetryGetDesc

(

void

)

return description of external program used to compute generators

Definition at line 164 of file compute_symmetry_bliss.cpp.

Referenced by SCIPincludePropSymmetry().

SYMsymmetryGetAddName()

const char* SYMsymmetryGetAddName

(

void

)

return name of additional external program used for computing symmetries

Definition at line 170 of file compute_symmetry_bliss.cpp.

References NULL, and XSTR.

Referenced by SCIPincludePropSymmetry().

SYMsymmetryGetAddDesc()

const char* SYMsymmetryGetAddDesc

(

void

)

return description of additional external program used to compute symmetries

Definition at line 176 of file compute_symmetry_bliss.cpp.

References NULL.

Referenced by SCIPincludePropSymmetry().

SYMcomputeSymmetryGenerators()

SCIP_RETCODE SYMcomputeSymmetryGenerators	(	SCIP *	scip,
		int	maxgenerators,
		SYM_GRAPH *	symgraph,
		int *	nperms,
		int *	nmaxperms,
		int ***	perms,
		SCIP_Real *	log10groupsize,
		SCIP_Real *	symcodetime
	)

compute generators of symmetry group

Parameters

scip	SCIP pointer
maxgenerators	maximal number of generators constructed (= 0 if unlimited)
symgraph	symmetry detection graph
nperms	pointer to store number of permutations
nmaxperms	pointer to store maximal number of permutations (needed for freeing storage)
perms	pointer to store permutation generators as (nperms x npermvars) matrix
log10groupsize	pointer to store log10 of size of group
symcodetime	pointer to store the time for symmetry code

Definition at line 405 of file compute_symmetry_bliss.cpp.

References addGroupedEdges(), computeAutomorphisms(), createOrDetermineSizeGraph(), data_, FALSE, isEdgeGroupable(), NAUTY_Data::maxgenerators, nautyhook(), NAUTY_Data::nmaxperms, nnodes, NAUTY_Data::nperms, NAUTY_Data::npermvars, NULL, NAUTY_Data::perms, NAUTY_Data::restricttovars, NAUTY_Data::scip, SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_VERBLEVEL_MINIMAL, SCIPallocBufferArray, SCIPdebugMsg, SCIPfreeBlockMemoryArray, SCIPfreeBufferArray, SCIPgetSolvingTime(), SCIPgetSymgraphEdgeColor(), SCIPgetSymgraphEdgeFirst(), SCIPgetSymgraphEdgeSecond(), SCIPgetSymgraphNConsnodes(), SCIPgetSymgraphNEdges(), SCIPgetSymgraphNNodes(), SCIPgetSymgraphNodeColor(), SCIPgetSymgraphNodeType(), SCIPgetSymgraphNVars(), SCIPgetSymgraphSymtype(), SCIPgetSymgraphVarnodeColor(), SCIPhasGraphUniqueEdgetype(), SCIPisSymgraphEdgeColored(), SCIPsortIntInt(), SCIPsortIntIntInt(), SCIPverbMessage(), SYM_NODETYPE_CONS, SYM_NODETYPE_VAR, SYM_SYMTYPE_PERM, SYM_SYMTYPE_SIGNPERM, SYMbuildSassyGraph(), BLISS_Data::symtype, NAUTY_Data::symtype, and TRUE.

Referenced by computeSymmetryGroup().

SYMcheckGraphsAreIdentical()

SCIP_Bool SYMcheckGraphsAreIdentical	(	SCIP *	scip,
		SYM_SYMTYPE	symtype,
		SYM_GRAPH *	G1,
		SYM_GRAPH *	G2
	)

returns whether two given graphs are identical

Parameters

scip	SCIP pointer
symtype	type of symmetries to be checked
G1	first graph
G2	second graph

Definition at line 627 of file compute_symmetry_bliss.cpp.

References computeAutomorphisms(), createOrDetermineSizeGraphCheck(), data_, SYM_Graph::edgefirst, SYM_Graph::edgesecond, FALSE, NAUTY_Data::maxgenerators, nautyhook(), SYM_Graph::nconsnodes, SYM_Graph::nedges, BLISS_Data::nmaxperms, NAUTY_Data::nmaxperms, SYMMETRY_Data::nmaxperms, SYM_Graph::nnodes, nnodes, SYM_Graph::nopnodes, BLISS_Data::nperms, NAUTY_Data::nperms, SYMMETRY_Data::nperms, NAUTY_Data::npermvars, SYM_Graph::nsymvars, NULL, SYM_Graph::nvalnodes, BLISS_Data::perms, NAUTY_Data::perms, SYMMETRY_Data::perms, NAUTY_Data::restricttovars, NAUTY_Data::scip, SCIP_Bool, SCIP_CALL, SCIP_CALL_ABORT, SCIP_Real, SCIPallocBufferArray, SCIPallocClearBufferArray, SCIPfreeBlockMemoryArray, SCIPfreeBlockMemoryArrayNull, SCIPfreeBufferArray, SCIPgetSymgraphEdgeColor(), SCIPgetSymgraphNodeColor(), SCIPgetSymgraphNVars(), SCIPgetSymgraphSymtype(), SCIPinfoMessage(), SCIPisSymgraphEdgeColored(), SCIPsortIntInt(), SYM_SYMTYPE_PERM, SYM_SYMTYPE_SIGNPERM, SYMbuildSassyGraphCheck(), NAUTY_Data::symtype, TRUE, and w.

Referenced by checkSymmetriesAreSymmetries().