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/*
 * statistics.h
 *
 * Structure-factor statistics
 *
 * (c) 2006-2010 Thomas White <taw@physics.org>
 *
 * Part of CrystFEL - crystallography with a FEL
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifndef STATISTICS_H
#define STATISTICS_H


#include "utils.h"

extern double stat_scale_intensity(const double *ref1, const double *ref2,
                                   ReflItemList *items);

extern double stat_r1_zero(const double *ref1, const double *ref2,
                           ReflItemList *items, double *scalep);
extern double stat_r1_ignore(const double *ref1, const double *ref2,
                             ReflItemList *items, double *scalep);

extern double stat_r2(const double *ref1, const double *ref2,
                      ReflItemList *items, double *scalep);

extern double stat_r1_i(const double *ref1, const double *ref2,
                        ReflItemList *items, double *scalep);

extern double stat_rdiff_zero(const double *ref1, const double *ref2,
                         ReflItemList *items, double *scalep);
extern double stat_rdiff_ignore(const double *ref1, const double *ref2,
                         ReflItemList *items, double *scalep);

extern double stat_pearson_i(const double *ref1, const double *ref2,
                             ReflItemList *items);
extern double stat_pearson_f_zero(const double *ref1, const double *ref2,
                                  ReflItemList *items);
extern double stat_pearson_f_ignore(const double *ref1, const double *ref2,
                                    ReflItemList *items);


#endif	/* STATISTICS_H */