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/*
* symmetry.h
*
* Symmetry
*
* (c) 2006-2010 Thomas White <taw@physics.org>
*
* Part of CrystFEL - crystallography with a FEL
*
*/
#ifndef SYMMETRY_H
#define SYMMETRY_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/**
* SymOpList
*
* Opaque type.
**/
typedef struct _symoplist SymOpList;
extern void get_asymm(signed int h, signed int k, signed int l,
signed int *hp, signed int *kp, signed int *lp,
const char *sym);
extern int num_equivs(signed int h, signed int k, signed int l,
const char *sym);
extern int num_general_equivs(const char *sym);
extern void get_equiv(signed int h, signed int k, signed int l,
signed int *he, signed int *ke, signed int *le,
const char *sym, int idx);
extern void get_general_equiv(signed int h, signed int k, signed int l,
signed int *he, signed int *ke, signed int *le,
const char *sym, int idx);
extern SymOpList *get_twins(const char *holo, const char *mero);
/* Properties of point groups */
extern int is_polyhedral(const char *sym);
extern int rotational_order(const char *sym);
extern int has_perpendicular_mirror(const char *sym);
extern int has_bisecting_mirror_or_diad(const char *sym);
#endif /* SYMMETRY_H */
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