// See the file "COPYING" in the main distribution directory for copyright.

#pragma once

#include <cstdint>

#define RT_MONTEN                                                                                                      \
    6 /* Bytes used as Monte Carlo                                                                                     \
         co-ordinates. This should be no more                                                                          \
         bits than the mantissa of your "double"                                                                       \
         floating point type. */

namespace zeek {

class EntropyVal;

namespace detail {

class RandTest {
public:
    RandTest();
    void add(const void* buf, int bufl);
    void end(double* r_ent, double* r_chisq, double* r_mean, double* r_montepicalc, double* r_scc);

private:
    friend class zeek::EntropyVal;

    int64_t ccount[256]; /* Bins to count occurrences of values */
    int64_t totalc;      /* Total bytes counted */
    int mp;
    int sccfirst;
    unsigned int monte[RT_MONTEN] = {0};
    int64_t inmont, mcount;
    double cexp, montex, montey, montepi, sccu0, scclast, scct1, scct2, scct3;
};

} // namespace detail
} // namespace zeek