70 #include <sys/types.h>
77 #if defined(HAVE_SYS_TIME_H)
82 # if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0400
84 # define _WIN32_WINNT 0x400
85 # undef __WINCRYPT_H__
95 #define MATRIX_A 0x9908b0dfU
96 #define UMASK 0x80000000U
97 #define LMASK 0x7fffffffU
98 #define MIXBITS(u,v) ( ((u) & UMASK) | ((v) & LMASK) )
99 #define TWIST(u,v) ((MIXBITS((u),(v)) >> 1) ^ ((v)&1U ? MATRIX_A : 0U))
110 #define genrand_initialized(mt) ((mt)->next != 0)
111 #define uninit_genrand(mt) ((mt)->next = 0)
118 mt->
state[0] = s & 0xffffffff
U;
119 for (j=1; j<
N; j++) {
125 mt->
state[
j] &= 0xffffffff;
141 k = (
N>key_length ?
N : key_length);
148 if (j>=key_length) j=0;
150 for (k=
N-1; k; k--) {
158 mt->
state[0] = 0x80000000
U;
164 unsigned int *
p = mt->
state;
170 for (j=
N-
M+1; --
j; p++)
171 *p = p[
M] ^
TWIST(p[0], p[1]);
174 *p = p[
M-
N] ^
TWIST(p[0], p[1]);
191 y ^= (y << 7) & 0x9d2c5680;
192 y ^= (y << 15) & 0xefc60000;
204 return(a*67108864.0+
b)*(1.0/9007199254740992.0);
227 #define DEFAULT_SEED_CNT 4
237 struct MT *mt = &r->
mt;
264 #define SIZEOF_INT32 (31/CHAR_BIT + 1)
282 mary[0] = 0x00200000;
283 mary[1] = 0x00000001;
290 #if CHAR_BIT * SIZEOF_LONG > 64
301 r = (double)uary[0] * (0x10000 * (
double)0x10000) + (
double)uary[1];
303 return ldexp(r, -53);
321 if (ptr != &default_rand)
381 buf =
ALLOC_N(
unsigned int, len);
394 if (sign != 2 && buf[len-1] == 1)
398 if (buf != buf0)
xfree(buf);
429 #define DEFAULT_SEED_LEN (DEFAULT_SEED_CNT * (int)sizeof(int32_t))
431 #if defined(S_ISCHR) && !defined(DOSISH)
432 # define USE_DEV_URANDOM 1
434 # define USE_DEV_URANDOM 0
445 #elif defined(_WIN32)
461 if (
fstat(fd, &statbuf) == 0 &&
S_ISCHR(statbuf.st_mode)) {
468 #elif defined(_WIN32)
469 if (CryptAcquireContext(&prov,
NULL,
NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
471 CryptReleaseContext(prov, 0);
478 #
if SIZEOF_TIME_T > SIZEOF_INT
479 seed[0] ^= (
unsigned int)((time_t)tv.
tv_sec >> SIZEOF_INT *
CHAR_BIT);
481 seed[2] ^= getpid() ^ (n++ << 16);
482 seed[3] ^= (
unsigned int)(
VALUE)&seed;
483 #if SIZEOF_VOIDP > SIZEOF_INT
570 sizeof(*mt->
state), 0,
623 struct MT *mt = &rnd->
mt;
643 sizeof(*mt->
state), 0,
716 unsigned long val, mask;
718 if (!limit)
return 0;
723 if ((mask >> (i * 32)) & 0xffffffff) {
750 rnd_array = tmp +
len;
757 for (i = len-1; 0 <=
i; i--) {
799 #if SIZEOF_LONG * CHAR_BIT > 32
801 #elif defined HAVE_LONG_LONG
802 VALUE lim = ULL2NUM((LONG_LONG)0xffffffff+1);
833 return ULL2NUM((LONG_LONG)n+1);
835 if (n >= ULONG_MAX) {
914 if (endp) *endp =
end;
930 if (!max)
return Qnil;
932 if (restrictive)
return Qnil;
942 if (restrictive)
return Qnil;
948 if (max == -1)
return Qnil;
983 if ((max =
FIX2LONG(vmax) - excl) >= 0) {
1023 else if (max == 0.0 && !excl) {
1203 if (argc == 0)
goto zero_arg;
1205 if (
NIL_P(vmax))
goto zero_arg;
1231 #define SIP_HASH_STREAMING 0
1232 #define sip_hash24 ruby_sip_hash24
1233 #if !defined _WIN32 && !defined BYTE_ORDER
1234 # ifdef WORDS_BIGENDIAN
1235 # define BYTE_ORDER BIG_ENDIAN
1237 # define BYTE_ORDER LITTLE_ENDIAN
1239 # ifndef LITTLE_ENDIAN
1240 # define LITTLE_ENDIAN 1234
1243 # define BIG_ENDIAN 4321
1270 struct MT *mt = &r->
mt;
1275 #if SIZEOF_ST_INDEX_T*CHAR_BIT > 4*8
1279 #if SIZEOF_ST_INDEX_T*CHAR_BIT > 8*8
1283 #if SIZEOF_ST_INDEX_T*CHAR_BIT > 12*8
1305 #ifdef HAVE_UINT64_T
#define RB_TYPE_P(obj, type)
int rb_bigzero_p(VALUE x)
static VALUE random_bytes(VALUE obj, VALUE len)
static rb_random_t default_rand
int rb_integer_pack(VALUE val, void *words, size_t numwords, size_t wordsize, size_t nails, int flags)
rb_funcall2(argv[0], id_yield, argc-1, argv+1)
#define INTEGER_PACK_MSWORD_FIRST
int gettimeofday(struct timeval *, struct timezone *)
static VALUE random_s_state(VALUE klass)
VALUE rb_class_new_instance(int, VALUE *, VALUE)
uint32_t u32[(16 *sizeof(uint8_t)-1)/sizeof(uint32_t)]
static unsigned long make_mask(unsigned long x)
static int max(int a, int b)
void rb_define_singleton_method(VALUE obj, const char *name, VALUE(*func)(ANYARGS), int argc)
Defines a singleton method for obj.
#define INTEGER_PACK_FORCE_BIGNUM
static VALUE random_copy(VALUE obj, VALUE orig)
double rb_genrand_real(void)
#define rb_check_frozen(obj)
VALUE rb_big_plus(VALUE x, VALUE y)
static VALUE random_rand(int argc, VALUE *argv, VALUE obj)
VALUE rb_str_new_cstr(const char *)
static VALUE random_left(VALUE obj)
void rb_define_private_method(VALUE klass, const char *name, VALUE(*func)(ANYARGS), int argc)
static VALUE rand_int(struct MT *mt, VALUE vmax, int restrictive)
static VALUE limited_big_rand(struct MT *mt, VALUE limit)
static VALUE random_seed(void)
void rb_define_alloc_func(VALUE, rb_alloc_func_t)
void rb_update_max_fd(int fd)
VALUE rb_ary_push(VALUE ary, VALUE item)
static rb_random_t * rand_start(rb_random_t *r)
static void random_mark(void *ptr)
static VALUE random_equal(VALUE self, VALUE other)
void rb_raise(VALUE exc, const char *fmt,...)
static unsigned int genrand_int32(struct MT *mt)
static void init_by_array(struct MT *mt, unsigned int init_key[], int key_length)
VALUE rb_obj_class(VALUE)
int rb_num_negative_p(VALUE)
static double genrand_real2(struct MT *mt)
VALUE rb_obj_reveal(VALUE obj, VALUE klass)
void rb_define_global_function(const char *name, VALUE(*func)(ANYARGS), int argc)
Defines a global function.
static void random_free(void *ptr)
static VALUE random_s_left(VALUE klass)
VALUE rb_random_bytes(VALUE rnd, long n)
st_index_t rb_hash_start(st_index_t)
void rb_exc_raise(VALUE mesg)
static size_t random_memsize(const void *ptr)
unsigned long rb_genrand_ulong_limited(unsigned long i)
static void next_state(struct MT *mt)
VALUE rb_check_to_float(VALUE)
memset(y->frac+ix+1, 0,(y->Prec-(ix+1))*sizeof(BDIGIT))
static void Init_RandomSeed2(void)
static st_index_t hashseed
#define TypedData_Get_Struct(obj, type, data_type, sval)
static VALUE make_seed_value(const uint32_t *ptr)
static VALUE init_randomseed(struct MT *mt, uint32_t initial[DEFAULT_SEED_CNT])
double rb_random_real(VALUE rnd)
static VALUE mt_state(const struct MT *mt)
static VALUE random_init(int argc, VALUE *argv, VALUE obj)
int rb_typeddata_is_kind_of(VALUE obj, const rb_data_type_t *data_type)
#define RARRAY_CONST_PTR(a)
static VALUE rb_f_srand(int argc, VALUE *argv, VALUE obj)
void rb_define_const(VALUE, const char *, VALUE)
VALUE rb_define_class(const char *name, VALUE super)
Defines a top-level class.
VALUE rb_check_to_integer(VALUE, const char *)
static const rb_data_type_t random_data_type
#define OBJ_INIT_COPY(obj, orig)
#define TypedData_Wrap_Struct(klass, data_type, sval)
#define range(low, item, hi)
#define genrand_initialized(mt)
unsigned char buf[MIME_BUF_SIZE]
#define uninit_genrand(mt)
int rb_range_values(VALUE range, VALUE *begp, VALUE *endp, int *exclp)
VALUE rb_integer_unpack(const void *words, size_t numwords, size_t wordsize, size_t nails, int flags)
static VALUE range_values(VALUE vmax, VALUE *begp, VALUE *endp, int *exclp)
VALUE rb_obj_as_string(VALUE)
static void fill_random_seed(uint32_t seed[DEFAULT_SEED_CNT])
VALUE rb_big_minus(VALUE x, VALUE y)
static VALUE random_load(VALUE obj, VALUE dump)
#define RUBY_TYPED_FREE_IMMEDIATELY
VALUE rb_eSystemCallError
void rb_gc_register_mark_object(VALUE)
int rb_scan_args(int argc, const VALUE *argv, const char *fmt,...)
static int min(int a, int b)
unsigned int rb_genrand_int32(void)
VALUE rb_big_mul(VALUE x, VALUE y)
#define INTEGER_PACK_LSWORD_FIRST
void rb_check_copyable(VALUE obj, VALUE orig)
int memcmp(const void *s1, const void *s2, size_t len)
static union @157 sipseed
RUBY_EXTERN int isinf(double)
unsigned int rb_random_int32(VALUE rnd)
static VALUE random_dump(VALUE obj)
#define MEMCPY(p1, p2, type, n)
static double genrand_real(struct MT *mt)
VALUE rb_big_uminus(VALUE x)
unsigned long rb_random_ulong_limited(VALUE rnd, unsigned long limit)
static double float_value(VALUE v)
st_index_t rb_memhash(const void *ptr, long len)
static VALUE random_alloc(VALUE klass)
#define TypedData_Make_Struct(klass, type, data_type, sval)
RUBY_EXTERN VALUE rb_cObject
VALUE rb_big_norm(VALUE x)
static VALUE rb_f_rand(int argc, VALUE *argv, VALUE obj)
static VALUE rand_init(struct MT *mt, VALUE vseed)
static rb_random_t * get_rnd(VALUE obj)
int rb_respond_to(VALUE, ID)
static unsigned long limited_rand(struct MT *mt, unsigned long limit)
size_t rb_absint_numwords(VALUE val, size_t word_numbits, size_t *nlz_bits_ret)
static VALUE random_s_rand(int argc, VALUE *argv, VALUE obj)
VALUE rb_str_new(const char *, long)
int rb_cloexec_open(const char *pathname, int flags, mode_t mode)
static void init_genrand(struct MT *mt, unsigned int s)
void rb_global_variable(VALUE *)
RUBY_EXTERN VALUE rb_cRandom
static struct MT * default_mt(void)
static VALUE ulong_to_num_plus_1(unsigned long n)
static VALUE random_get_seed(VALUE obj)
#define INTEGER_PACK_NATIVE_BYTE_ORDER
static VALUE rand_random(int argc, VALUE *argv, rb_random_t *rnd)
void Init_RandomSeed(void)
static rb_random_t * try_get_rnd(VALUE obj)
void rb_define_method(VALUE klass, const char *name, VALUE(*func)(ANYARGS), int argc)
static VALUE random_state(VALUE obj)
#define ALLOCV_N(type, v, n)
int int_must_be_32bit_at_least[sizeof(int)*CHAR_BIT< 32?-1:1]
static double int_pair_to_real_inclusive(uint32_t a, uint32_t b)
void rb_reset_random_seed(void)
static VALUE rand_range(struct MT *mt, VALUE range)