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author | 卜部昌平 <shyouhei@ruby-lang.org> | 2020-05-04 15:26:12 +0900 |
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committer | 卜部昌平 <shyouhei@ruby-lang.org> | 2020-05-11 09:24:08 +0900 |
commit | dca234a5dc9d5bb39c906d833c43305ce95508fb (patch) | |
tree | aeecc73da2a3f9e6d2417fc9fd57e80ff0d2540a /include/ruby/impl/intern/random.h | |
parent | c89c3801b985916b6fb6726aab966d28371dfaaa (diff) | |
download | ruby-dca234a5dc9d5bb39c906d833c43305ce95508fb.tar.gz |
mv include/ruby/{3,impl}
Devs do not love "3".
Diffstat (limited to 'include/ruby/impl/intern/random.h')
-rw-r--r-- | include/ruby/impl/intern/random.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/ruby/impl/intern/random.h b/include/ruby/impl/intern/random.h new file mode 100644 index 0000000000..52bfeb0673 --- /dev/null +++ b/include/ruby/impl/intern/random.h @@ -0,0 +1,45 @@ +#ifndef RUBY3_INTERN_RANDOM_H /*-*-C++-*-vi:se ft=cpp:*/ +#define RUBY3_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 `RUBY3` or `ruby3` 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/3/dllexport.h" +#include "ruby/3/value.h" + +RUBY3_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); + +RUBY3_SYMBOL_EXPORT_END() + +#endif /* RUBY3_INTERN_RANDOM_H */ |