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#ifndef RBIMPL_INTERN_RANDOM_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_INTERN_RANDOM_H
/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
* implementation details. Don't take them as canon. They could
* rapidly appear then vanish. The name (path) of this header file
* is also an implementation detail. Do not expect it to persist
* at the place it is now. Developers are free to move it anywhere
* anytime at will.
* @note To ruby-core: remember that this header can be possibly
* recursively included from extension libraries written in C++.
* Do not expect for instance `__VA_ARGS__` is always available.
* We assume C99 for ruby itself but we don't assume languages of
* extension libraries. They could be written in C++98.
* @brief MT19937 backended pseudo random number generator.
* @see Matsumoto, M., Nishimura, T., "Mersenne Twister: A 623-
* dimensionally equidistributed uniform pseudorandom number
* generator", ACM Trans. on Modeling and Computer Simulation, 8
* (1): pp 3-30, 1998. https://doi.org/10.1145/272991.272995
*/
#include "ruby/internal/dllexport.h"
#include "ruby/internal/value.h"
RBIMPL_SYMBOL_EXPORT_BEGIN()
/* random.c */
unsigned int rb_genrand_int32(void);
double rb_genrand_real(void);
void rb_reset_random_seed(void);
VALUE rb_random_bytes(VALUE rnd, long n);
VALUE rb_random_int(VALUE rnd, VALUE max);
unsigned int rb_random_int32(VALUE rnd);
double rb_random_real(VALUE rnd);
unsigned long rb_random_ulong_limited(VALUE rnd, unsigned long limit);
unsigned long rb_genrand_ulong_limited(unsigned long i);
RBIMPL_SYMBOL_EXPORT_END()
#endif /* RBIMPL_INTERN_RANDOM_H */
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