/usr/include/nauty/naugroup.h is in libnauty2-dev 2.6r10+ds-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | /* naugroup.h
Procedures for handling groups found by nauty.
*/
#ifndef _NAUGROUP_H_ /* only process this file once */
#define _NAUGROUP_H_
#include <nauty/nauty.h>
typedef struct perm_struct
{
struct perm_struct *ptr; /* general-purpose pointer */
int p[2]; /* extendable section */
} permrec;
typedef struct coset_struct
{
int image; /* image of fixed point */
permrec *rep; /* pointer to a representative */
} cosetrec;
typedef struct level_struct
{
int fixedpt; /* point that is fixed in this level */
int orbitsize; /* the size of the orbit containing fixedpt */
permrec *gens; /* pointer to list of generators */
cosetrec *replist; /* array of orbitsize representatives */
} levelrec;
typedef struct group_struct
{
int n; /* number of points */
int numorbits; /* number of orbits */
int depth; /* number of points in base */
levelrec levelinfo[1]; /* extendable section */
} grouprec;
#ifdef __cplusplus
extern "C" {
#endif
extern void freepermrec(permrec*, int);
extern grouprec *groupptr(boolean);
extern permrec *newpermrec(int);
extern void groupautomproc(int,int*,int*,int,int,int);
extern void
grouplevelproc(int*,int*,int,int*,statsblk*,int,int,int,int,int,int);
extern void makecosetreps(grouprec*);
extern int permcycles(int*,int,int*,boolean);
extern void allgroup(grouprec*,void(*)(int*,int));
extern int allgroup2(grouprec*,void(*)(int*,int,int*));
extern int allgroup3(grouprec*,void(*)(int*,int,int*,void*),void*);
extern void freegroup(grouprec*);
#ifdef __cplusplus
}
#endif
#endif /* _NAUGROUP_H_ */
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