bignum.h

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#ifndef RBIMPL_INTERN_BIGNUM_H                       /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_INTERN_BIGNUM_H
#include "ruby/internal/config.h"
 
#ifdef STDC_HEADERS
# include <stddef.h>
#endif
 
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>         /* for ssize_t (note: on Windows ssize_t is */
#endif                          /* `#define`d in ruby/config.h) */
 
#include "ruby/internal/attr/nonnull.h"
#include "ruby/internal/dllexport.h"
#include "ruby/internal/value.h"
#include "ruby/backward/2/long_long.h"
 
RBIMPL_SYMBOL_EXPORT_BEGIN()
 
/* bignum.c */
 
 
VALUE rb_big_new(size_t len, int sign);
 
int rb_bigzero_p(VALUE x);
 
VALUE rb_big_clone(VALUE num);
 
void rb_big_2comp(VALUE num);
 
VALUE rb_big_norm(VALUE x);
 
void rb_big_resize(VALUE big, size_t len);
 
RBIMPL_ATTR_NONNULL(())
VALUE rb_cstr_to_inum(const char *str, int base, int badcheck);
 
VALUE rb_str_to_inum(VALUE str, int base, int badcheck);
 
RBIMPL_ATTR_NONNULL(())
VALUE rb_cstr2inum(const char *str, int base);
 
VALUE rb_str2inum(VALUE str, int base);
 
VALUE rb_big2str(VALUE x, int base);
 
long rb_big2long(VALUE x);
 
#define rb_big2int(x) rb_big2long(x)
 
unsigned long rb_big2ulong(VALUE x);
 
#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 */
 
RBIMPL_ATTR_NONNULL(())
void rb_big_pack(VALUE val, unsigned long *buf, long num_longs);
 
RBIMPL_ATTR_NONNULL(())
VALUE rb_big_unpack(unsigned long *buf, long num_longs);
 
/* pack.c */
 
RBIMPL_ATTR_NONNULL(())
int rb_uv_to_utf8(char buf[6], unsigned long uv);
 
/* bignum.c */
 
VALUE rb_dbl2big(double d);
 
double rb_big2dbl(VALUE x);
 
VALUE rb_big_cmp(VALUE lhs, VALUE rhs);
 
VALUE rb_big_eq(VALUE lhs, VALUE rhs);
 
VALUE rb_big_eql(VALUE lhs, VALUE rhs);
 
VALUE rb_big_plus(VALUE x, VALUE y);
 
VALUE rb_big_minus(VALUE x, VALUE y);
 
VALUE rb_big_mul(VALUE x, VALUE y);
 
VALUE rb_big_div(VALUE x, VALUE y);
 
VALUE rb_big_idiv(VALUE x, VALUE y);
 
VALUE rb_big_modulo(VALUE x, VALUE y);
 
VALUE rb_big_divmod(VALUE x, VALUE y);
 
VALUE rb_big_pow(VALUE x, VALUE y);
 
VALUE rb_big_and(VALUE x, VALUE y);
 
VALUE rb_big_or(VALUE x, VALUE y);
 
VALUE rb_big_xor(VALUE x, VALUE y);
 
VALUE rb_big_lshift(VALUE x, VALUE y);
 
VALUE rb_big_rshift(VALUE x, VALUE y);
 
#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
 
#define INTEGER_PACK_FORCE_BIGNUM       0x100
 
#define INTEGER_PACK_NEGATIVE           0x200
 
#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)
 
RBIMPL_ATTR_NONNULL(())
int rb_integer_pack(VALUE val, void *words, size_t numwords, size_t wordsize, size_t nails, int flags);
 
RBIMPL_ATTR_NONNULL(())
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);
 
#define RB_INT_PARSE_SIGN       0x01
 
#define RB_INT_PARSE_UNDERSCORE 0x02
 
#define RB_INT_PARSE_PREFIX     0x04
 
#define RB_INT_PARSE_ALL        0x07
 
#define RB_INT_PARSE_DEFAULT    0x07
 
VALUE rb_int_parse_cstr(const char *str, ssize_t len, char **endp, size_t *ndigits, int base, int flags);
 
RBIMPL_SYMBOL_EXPORT_END()
 
#endif /* RBIMPL_INTERN_BIGNUM_H */