-#ifndef RUBY3_INTERN_BIGNUM_H /*-*-C++-*-vi:se ft=cpp:*/

-#define RUBY3_INTERN_BIGNUM_H

-/**

- * @file

- * @author Ruby developers <[email protected]>

- * @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 */