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Diffstat (limited to 'include/ruby/impl/intern/bignum.h')
| -rw-r--r-- | include/ruby/impl/intern/bignum.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/include/ruby/impl/intern/bignum.h b/include/ruby/impl/intern/bignum.h new file mode 100644 index 0000000000..f4707f5b6d --- /dev/null +++ b/include/ruby/impl/intern/bignum.h @@ -0,0 +1,105 @@ +#ifndef RUBY3_INTERN_BIGNUM_H /*-*-C++-*-vi:se ft=cpp:*/ +#define RUBY3_INTERN_BIGNUM_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 Public APIs related to so-called rb_cBignum. + */ +#include "ruby/3/config.h" + +#ifdef STDC_HEADERS +# include <stddef.h> +#endif + +#include "ruby/3/dllexport.h" +#include "ruby/3/value.h" +#include "ruby/backward/2/long_long.h" + +RUBY3_SYMBOL_EXPORT_BEGIN() + +/* bignum.c */ +VALUE rb_big_new(size_t, int); +int rb_bigzero_p(VALUE x); +VALUE rb_big_clone(VALUE); +void rb_big_2comp(VALUE); +VALUE rb_big_norm(VALUE); +void rb_big_resize(VALUE big, size_t len); +VALUE rb_cstr_to_inum(const char*, int, int); +VALUE rb_str_to_inum(VALUE, int, int); +VALUE rb_cstr2inum(const char*, int); +VALUE rb_str2inum(VALUE, int); +VALUE rb_big2str(VALUE, int); +long rb_big2long(VALUE); +#define rb_big2int(x) rb_big2long(x) +unsigned long rb_big2ulong(VALUE); +#define rb_big2uint(x) rb_big2ulong(x) +#if HAVE_LONG_LONG +LONG_LONG rb_big2ll(VALUE); +unsigned LONG_LONG rb_big2ull(VALUE); +#endif /* HAVE_LONG_LONG */ +void rb_big_pack(VALUE val, unsigned long *buf, long num_longs); +VALUE rb_big_unpack(unsigned long *buf, long num_longs); +int rb_uv_to_utf8(char[6],unsigned long); +VALUE rb_dbl2big(double); +double rb_big2dbl(VALUE); +VALUE rb_big_cmp(VALUE, VALUE); +VALUE rb_big_eq(VALUE, VALUE); +VALUE rb_big_eql(VALUE, VALUE); +VALUE rb_big_plus(VALUE, VALUE); +VALUE rb_big_minus(VALUE, VALUE); +VALUE rb_big_mul(VALUE, VALUE); +VALUE rb_big_div(VALUE, VALUE); +VALUE rb_big_idiv(VALUE, VALUE); +VALUE rb_big_modulo(VALUE, VALUE); +VALUE rb_big_divmod(VALUE, VALUE); +VALUE rb_big_pow(VALUE, VALUE); +VALUE rb_big_and(VALUE, VALUE); +VALUE rb_big_or(VALUE, VALUE); +VALUE rb_big_xor(VALUE, VALUE); +VALUE rb_big_lshift(VALUE, VALUE); +VALUE rb_big_rshift(VALUE, VALUE); + +/* For rb_integer_pack and rb_integer_unpack: */ +/* "MS" in MSWORD and MSBYTE means "most significant" */ +/* "LS" in LSWORD and LSBYTE means "least significant" */ +#define INTEGER_PACK_MSWORD_FIRST 0x01 +#define INTEGER_PACK_LSWORD_FIRST 0x02 +#define INTEGER_PACK_MSBYTE_FIRST 0x10 +#define INTEGER_PACK_LSBYTE_FIRST 0x20 +#define INTEGER_PACK_NATIVE_BYTE_ORDER 0x40 +#define INTEGER_PACK_2COMP 0x80 +#define INTEGER_PACK_FORCE_GENERIC_IMPLEMENTATION 0x400 +/* For rb_integer_unpack: */ +#define INTEGER_PACK_FORCE_BIGNUM 0x100 +#define INTEGER_PACK_NEGATIVE 0x200 +/* Combinations: */ +#define INTEGER_PACK_LITTLE_ENDIAN \ + (INTEGER_PACK_LSWORD_FIRST | \ + INTEGER_PACK_LSBYTE_FIRST) +#define INTEGER_PACK_BIG_ENDIAN \ + (INTEGER_PACK_MSWORD_FIRST | \ + INTEGER_PACK_MSBYTE_FIRST) +int rb_integer_pack(VALUE val, void *words, size_t numwords, size_t wordsize, size_t nails, int flags); +VALUE rb_integer_unpack(const void *words, size_t numwords, size_t wordsize, size_t nails, int flags); +size_t rb_absint_size(VALUE val, int *nlz_bits_ret); +size_t rb_absint_numwords(VALUE val, size_t word_numbits, size_t *nlz_bits_ret); +int rb_absint_singlebit_p(VALUE val); + +RUBY3_SYMBOL_EXPORT_END() + +#endif /* RUBY3_INTERN_BIGNUM_H */ |