random.c File Reference

#include "ruby/ruby.h"
#include "internal.h"
#include <limits.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <math.h>
#include <errno.h>
#include "siphash.c"

Go to the source code of this file.

Data Structures

struct  MT
struct  rb_random_t

Defines

#define N   624
#define M   397
#define MATRIX_A   0x9908b0dfU
#define UMASK   0x80000000U
#define LMASK   0x7fffffffU
#define MIXBITS(u, v)   ( ((u) & UMASK) | ((v) & LMASK) )
#define TWIST(u, v)   ((MIXBITS((u),(v)) >> 1) ^ ((v)&1U ? MATRIX_A : 0U))
#define genrand_initialized(mt)   ((mt)->next != 0)
#define uninit_genrand(mt)   ((mt)->next = 0)
#define DEFAULT_SEED_CNT   4
#define SIZEOF_INT32   (31/CHAR_BIT + 1)
#define id_minus   '-'
#define id_plus   '+'
#define DEFAULT_SEED_LEN   (DEFAULT_SEED_CNT * (int)sizeof(int32_t))
#define USE_DEV_URANDOM   1
#define SIP_HASH_STREAMING   0
#define sip_hash24   ruby_sip_hash24
#define BYTE_ORDER   LITTLE_ENDIAN
#define LITTLE_ENDIAN   1234
#define BIG_ENDIAN   4321

Typedefs

typedef int int_must_be_32bit_at_least [sizeof(int)*CHAR_BIT< 32?-1:1]

Enumerations

enum  { MT_MAX_STATE = N }

Functions

static void init_genrand (struct MT *mt, unsigned int s)
static void init_by_array (struct MT *mt, unsigned int init_key[], int key_length)
static void next_state (struct MT *mt)
static unsigned int genrand_int32 (struct MT *mt)
static double genrand_real (struct MT *mt)
static double int_pair_to_real_inclusive (uint32_t a, uint32_t b)
static double genrand_real2 (struct MT *mt)
static VALUE rand_init (struct MT *mt, VALUE vseed)
static VALUE random_seed (void)
static rb_random_t * rand_start (rb_random_t *r)
static struct MT * default_mt (void)
unsigned int rb_genrand_int32 (void)
double rb_genrand_real (void)
static void random_mark (void *ptr)
static void random_free (void *ptr)
static size_t random_memsize (const void *ptr)
static rb_random_t * get_rnd (VALUE obj)
static rb_random_t * try_get_rnd (VALUE obj)
static VALUE random_alloc (VALUE klass)
static VALUE random_init (int argc, VALUE *argv, VALUE obj)
static void fill_random_seed (uint32_t seed[DEFAULT_SEED_CNT])
static VALUE make_seed_value (const uint32_t *ptr)
static VALUE random_get_seed (VALUE obj)
static VALUE random_copy (VALUE obj, VALUE orig)
static VALUE mt_state (const struct MT *mt)
static VALUE random_state (VALUE obj)
static VALUE random_s_state (VALUE klass)
static VALUE random_left (VALUE obj)
static VALUE random_s_left (VALUE klass)
static VALUE random_dump (VALUE obj)
static VALUE random_load (VALUE obj, VALUE dump)
static VALUE rb_f_srand (int argc, VALUE *argv, VALUE obj)
static unsigned long make_mask (unsigned long x)
static unsigned long limited_rand (struct MT *mt, unsigned long limit)
static VALUE limited_big_rand (struct MT *mt, VALUE limit)
unsigned long rb_genrand_ulong_limited (unsigned long limit)
unsigned int rb_random_int32 (VALUE obj)
double rb_random_real (VALUE obj)
static VALUE ulong_to_num_plus_1 (unsigned long n)
unsigned long rb_random_ulong_limited (VALUE obj, unsigned long limit)
static VALUE random_bytes (VALUE obj, VALUE len)
VALUE rb_random_bytes (VALUE obj, long n)
static VALUE range_values (VALUE vmax, VALUE *begp, VALUE *endp, int *exclp)
static VALUE rand_int (struct MT *mt, VALUE vmax, int restrictive)
static double float_value (VALUE v)
static VALUE rand_range (struct MT *mt, VALUE range)
static VALUE rand_random (int argc, VALUE *argv, rb_random_t *rnd)
static VALUE random_rand (int argc, VALUE *argv, VALUE obj)
static VALUE random_equal (VALUE self, VALUE other)
static VALUE rb_f_rand (int argc, VALUE *argv, VALUE obj)
static VALUE random_s_rand (int argc, VALUE *argv, VALUE obj)
static VALUE init_randomseed (struct MT *mt, uint32_t initial[DEFAULT_SEED_CNT])
void Init_RandomSeed (void)
st_index_t rb_hash_start (st_index_t h)
st_index_t rb_memhash (const void *ptr, long len)
static void Init_RandomSeed2 (void)
void rb_reset_random_seed (void)
void Init_Random (void)

Variables

static rb_random_t default_rand
VALUE rb_cRandom
static ID id_rand
static ID id_bytes
static const rb_data_type_t random_data_type
static st_index_t hashseed
union {
   uint8_t   key [16]
   uint32_t   u32 [(16 *sizeof(uint8_t)-1)/sizeof(uint32_t)]
} sipseed

Define Documentation

#define BIG_ENDIAN   4321

Definition at line 1243 of file random.c.

#define BYTE_ORDER   LITTLE_ENDIAN

Definition at line 1237 of file random.c.

Referenced by SHA256_Transform(), and SHA512_Transform().

#define DEFAULT_SEED_CNT   4

Definition at line 227 of file random.c.

Referenced by Init_RandomSeed(), make_seed_value(), and random_seed().

#define DEFAULT_SEED_LEN   (DEFAULT_SEED_CNT * (int)sizeof(int32_t))

Definition at line 429 of file random.c.

Referenced by fill_random_seed(), and init_randomseed().

#define genrand_initialized ( mt   )     ((mt)->next != 0)

Definition at line 110 of file random.c.

Referenced by rand_start().

#define id_minus   '-'

Definition at line 307 of file random.c.

Referenced by range_values().

#define id_plus   '+'

Definition at line 308 of file random.c.

Referenced by rand_range().

#define LITTLE_ENDIAN   1234

Definition at line 1240 of file random.c.

Referenced by SHA256_Transform(), and SHA512_Transform().

#define LMASK   0x7fffffffU

Definition at line 97 of file random.c.

#define M   397

Definition at line 94 of file random.c.

Referenced by next_state(), and usage().

#define MATRIX_A   0x9908b0dfU

Definition at line 95 of file random.c.

#define MIXBITS ( u,
v   )     ( ((u) & UMASK) | ((v) & LMASK) )

Definition at line 98 of file random.c.

#define N   624

Definition at line 93 of file random.c.

#define sip_hash24   ruby_sip_hash24

Definition at line 1232 of file random.c.

Referenced by rb_memhash().

#define SIP_HASH_STREAMING   0

Definition at line 1231 of file random.c.

#define SIZEOF_INT32   (31/CHAR_BIT + 1)

Definition at line 264 of file random.c.

Referenced by limited_rand(), rand_init(), and rb_random_bytes().

#define TWIST ( u,
v   )     ((MIXBITS((u),(v)) >> 1) ^ ((v)&1U ? MATRIX_A : 0U))

Definition at line 99 of file random.c.

Referenced by next_state().

#define UMASK   0x80000000U

Definition at line 96 of file random.c.

#define uninit_genrand ( mt   )     ((mt)->next = 0)

Definition at line 111 of file random.c.

Referenced by rb_reset_random_seed().

#define USE_DEV_URANDOM   1

Definition at line 432 of file random.c.

Typedef Documentation

typedef int int_must_be_32bit_at_least[sizeof(int)*CHAR_BIT< 32?-1:1]

Definition at line 90 of file random.c.

Enumeration Type Documentation

anonymous enum
Enumerator:
MT_MAX_STATE 

Definition at line 101 of file random.c.

Function Documentation

static struct MT* default_mt ( void   )  [static, read]

Definition at line 245 of file random.c.

References rb_random_t::mt, and rand_start().

Referenced by rb_f_rand(), rb_genrand_int32(), rb_genrand_real(), and rb_genrand_ulong_limited().

static void fill_random_seed ( uint32_t  seed[DEFAULT_SEED_CNT]  )  [static]

Definition at line 438 of file random.c.

References CHAR_BIT, DEFAULT_SEED_LEN, fstat, gettimeofday(), NULL, O_NONBLOCK, rb_cloexec_open(), rb_update_max_fd(), S_ISCHR, stat, timeval::tv_sec, and timeval::tv_usec.

Referenced by init_randomseed(), and random_seed().

static double float_value ( VALUE  v  )  [inline, static]

Definition at line 959 of file random.c.

References INT2FIX, isinf(), isnan, rb_class_new_instance(), rb_eSystemCallError, rb_exc_raise(), and RFLOAT_VALUE.

Referenced by rand_random(), and rand_range().

static unsigned int genrand_int32 ( struct MT *  mt  )  [static]

Definition at line 181 of file random.c.

References MT::left, MT::next, and next_state().

Referenced by genrand_real(), genrand_real2(), Init_RandomSeed(), limited_big_rand(), limited_rand(), rb_genrand_int32(), rb_random_bytes(), and rb_random_int32().

static double genrand_real ( struct MT *  mt  )  [static]

Definition at line 200 of file random.c.

References genrand_int32().

Referenced by rand_random(), rand_range(), rb_f_rand(), rb_genrand_real(), and rb_random_real().

static double genrand_real2 ( struct MT *  mt  )  [static]

Definition at line 210 of file random.c.

References genrand_int32(), and int_pair_to_real_inclusive().

Referenced by rand_range().

static rb_random_t* get_rnd ( VALUE  obj  )  [static]

Definition at line 342 of file random.c.

References random_data_type, and TypedData_Get_Struct.

Referenced by random_copy(), random_dump(), random_equal(), random_get_seed(), random_init(), random_left(), random_load(), random_rand(), and random_state().

static void init_by_array ( struct MT *  mt,
unsigned int  init_key[],
int  key_length 
) [static]

Definition at line 136 of file random.c.

References init_genrand(), N, and MT::state.

Referenced by init_randomseed(), and rand_init().

static void init_genrand ( struct MT *  mt,
unsigned int  s 
) [static]

Definition at line 115 of file random.c.

References MT::left, N, MT::next, and MT::state.

Referenced by init_by_array(), and rand_init().

void Init_Random ( void   ) 

Definition at line 1355 of file random.c.

References CLASS_OF, id_bytes, id_rand, Init_RandomSeed2(), random_alloc(), random_bytes(), random_copy(), random_data_type, random_dump(), random_equal(), random_get_seed(), random_init(), random_left(), random_load(), random_rand(), random_s_left(), random_s_rand(), random_s_state(), random_seed(), random_state(), rb_cObject, rb_cRandom, rb_define_alloc_func(), rb_define_class(), rb_define_const(), rb_define_global_function(), rb_define_method(), rb_define_private_method(), rb_define_singleton_method(), rb_f_rand(), rb_f_srand(), rb_gc_register_mark_object(), rb_intern, and TypedData_Wrap_Struct.

void Init_RandomSeed ( void   ) 

Definition at line 1266 of file random.c.

References DEFAULT_SEED_CNT, genrand_int32(), hashseed, init_randomseed(), rb_random_t::mt, numberof, rb_global_variable(), rb_random_t::seed, and sipseed.

static VALUE init_randomseed ( struct MT *  mt,
uint32_t  initial[DEFAULT_SEED_CNT] 
) [static]

Definition at line 1255 of file random.c.

References DEFAULT_SEED_LEN, fill_random_seed(), init_by_array(), and make_seed_value().

Referenced by Init_RandomSeed().

static void Init_RandomSeed2 ( void   )  [static]

Definition at line 1313 of file random.c.

References rb_cBignum, rb_obj_reveal(), RB_TYPE_P, rb_random_t::seed, and T_BIGNUM.

Referenced by Init_Random().

static double int_pair_to_real_inclusive ( uint32_t  a,
uint32_t  b 
) [static]

Definition at line 267 of file random.c.

References FIX2ULONG, FIXNUM_P, INTEGER_PACK_FORCE_BIGNUM, INTEGER_PACK_MSWORD_FIRST, INTEGER_PACK_NATIVE_BYTE_ORDER, numberof, rb_big_mul(), rb_integer_pack(), and rb_integer_unpack().

Referenced by genrand_real2().

static VALUE limited_big_rand ( struct MT *  mt,
VALUE  limit 
) [static]

Definition at line 734 of file random.c.

References ALLOCV_END, ALLOCV_N, genrand_int32(), INTEGER_PACK_LSWORD_FIRST, INTEGER_PACK_NATIVE_BYTE_ORDER, make_mask(), NULL, rb_absint_numwords(), rb_integer_pack(), rb_integer_unpack(), and val.

Referenced by rand_int(), and rand_range().

static unsigned long limited_rand ( struct MT *  mt,
unsigned long  limit 
) [static]

Definition at line 712 of file random.c.

References genrand_int32(), make_mask(), SIZEOF_INT32, and val.

Referenced by rand_int(), rand_range(), rb_genrand_ulong_limited(), and rb_random_ulong_limited().

static unsigned long make_mask ( unsigned long  x  )  [static]

Definition at line 698 of file random.c.

Referenced by limited_big_rand(), and limited_rand().

static VALUE make_seed_value ( const uint32_t *  ptr  )  [static]

Definition at line 489 of file random.c.

References buf, DEFAULT_SEED_CNT, INTEGER_PACK_LSWORD_FIRST, INTEGER_PACK_NATIVE_BYTE_ORDER, MEMCPY, and rb_integer_unpack().

Referenced by init_randomseed(), and random_seed().

static VALUE mt_state ( const struct MT *  mt  )  [static]

Definition at line 567 of file random.c.

References INTEGER_PACK_LSWORD_FIRST, INTEGER_PACK_NATIVE_BYTE_ORDER, numberof, rb_integer_unpack(), and MT::state.

Referenced by random_dump(), random_s_state(), and random_state().

static void next_state ( struct MT *  mt  )  [static]

Definition at line 162 of file random.c.

References MT::left, M, N, MT::next, MT::state, and TWIST.

Referenced by genrand_int32().

static VALUE rand_init ( struct MT *  mt,
VALUE  vseed 
) [static]

Definition at line 370 of file random.c.

References ALLOC_N, buf, init_by_array(), init_genrand(), INTEGER_PACK_LSWORD_FIRST, INTEGER_PACK_NATIVE_BYTE_ORDER, NULL, numberof, rb_absint_numwords(), rb_integer_pack(), rb_to_int(), SIZEOF_INT32, and xfree.

Referenced by rand_start(), random_init(), and rb_f_srand().

static VALUE rand_int ( struct MT *  mt,
VALUE  vmax,
int  restrictive 
) [static]

Definition at line 922 of file random.c.

References FIX2LONG, FIXNUM_P, INT2FIX, limited_big_rand(), limited_rand(), LONG2NUM, max(), Qnil, rb_big_minus(), rb_big_uminus(), rb_bigzero_p(), RB_GC_GUARD, RBIGNUM_SIGN, and ULONG2NUM.

Referenced by rand_random(), and rb_f_rand().

static VALUE rand_random ( int  argc,
VALUE *  argv,
rb_random_t *  rnd 
) [static]

Definition at line 1088 of file random.c.

References float_value(), genrand_real(), max(), rb_random_t::mt, NIL_P, NUM2LONG, Qfalse, Qnil, rand_int(), rand_range(), rb_check_arity, rb_check_to_float(), rb_check_to_integer(), rb_eArgError, rb_exc_new3, rb_exc_raise(), rb_float_new, rb_obj_as_string(), rb_str_append(), rb_str_new_cstr(), RB_TYPE_P, and T_FLOAT.

Referenced by random_rand(), and random_s_rand().

static VALUE rand_range ( struct MT *  mt,
VALUE  range 
) [inline, static]

Definition at line 970 of file random.c.

References BUILTIN_TYPE, DBL2NUM, f, FIX2LONG, FIXNUM_P, float_value(), genrand_real(), genrand_real2(), id_plus, INT2FIX, isinf(), limited_big_rand(), limited_rand(), LONG2NUM, max(), NIL_P, Qfalse, Qnil, Qundef, range_values(), rb_big_minus(), rb_big_norm(), rb_big_plus(), rb_bigzero_p(), rb_check_to_float(), rb_check_to_integer(), rb_float_new, rb_funcall2, rb_to_float(), RB_TYPE_P, RBIGNUM_SIGN, RFLOAT_VALUE, T_BIGNUM, T_FLOAT, T_NIL, TYPE, and ULONG2NUM.

Referenced by rand_random(), and rb_f_rand().

static rb_random_t* rand_start ( rb_random_t *  r  )  [static]

Definition at line 235 of file random.c.

References genrand_initialized, rb_random_t::mt, rand_init(), random_seed(), and rb_random_t::seed.

Referenced by default_mt(), random_s_rand(), and try_get_rnd().

static VALUE random_alloc ( VALUE  klass  )  [static]

Definition at line 361 of file random.c.

References INT2FIX, random_data_type, rb_random_t::seed, and TypedData_Make_Struct.

Referenced by Init_Random().

static VALUE random_bytes ( VALUE  obj,
VALUE  len 
) [static]

Definition at line 871 of file random.c.

References NUM2LONG, rb_random_bytes(), and rb_to_int().

Referenced by Init_Random().

static VALUE random_copy ( VALUE  obj,
VALUE  orig 
) [static]

Definition at line 550 of file random.c.

References get_rnd(), MT::left, rb_random_t::mt, MT::next, numberof, OBJ_INIT_COPY, and MT::state.

Referenced by Init_Random().

static VALUE random_dump ( VALUE  obj  )  [static]

Definition at line 606 of file random.c.

References get_rnd(), INT2FIX, MT::left, rb_random_t::mt, mt_state(), rb_ary_new2, rb_ary_push(), and rb_random_t::seed.

Referenced by Init_Random().

static VALUE random_equal ( VALUE  self,
VALUE  other 
) [static]

Definition at line 1153 of file random.c.

References get_rnd(), MT::left, memcmp(), rb_random_t::mt, MT::next, Qfalse, Qtrue, rb_funcall2, rb_intern, rb_obj_class(), RTEST, rb_random_t::seed, and MT::state.

Referenced by Init_Random().

static void random_free ( void *  ptr  )  [static]

Definition at line 319 of file random.c.

References xfree.

static VALUE random_get_seed ( VALUE  obj  )  [static]

Definition at line 543 of file random.c.

References get_rnd(), and rb_random_t::seed.

Referenced by Init_Random().

static VALUE random_init ( int  argc,
VALUE *  argv,
VALUE  obj 
) [static]

Definition at line 412 of file random.c.

References get_rnd(), rb_random_t::mt, rand_init(), random_seed(), rb_check_copyable(), rb_check_frozen, rb_scan_args(), and rb_random_t::seed.

Referenced by Init_Random().

static VALUE random_left ( VALUE  obj  )  [static]

Definition at line 591 of file random.c.

References get_rnd(), INT2FIX, MT::left, and rb_random_t::mt.

Referenced by Init_Random().

static VALUE random_load ( VALUE  obj,
VALUE  dump 
) [static]

Definition at line 620 of file random.c.

References Check_Type, get_rnd(), INT2FIX, INTEGER_PACK_LSWORD_FIRST, INTEGER_PACK_NATIVE_BYTE_ORDER, MT::left, rb_random_t::mt, MT::next, NUM2ULONG, numberof, RARRAY_CONST_PTR, RARRAY_LEN, rb_check_copyable(), rb_eArgError, rb_integer_pack(), rb_raise(), rb_to_int(), rb_random_t::seed, MT::state, and T_ARRAY.

Referenced by Init_Random().

static void random_mark ( void *  ptr  )  [static]

Definition at line 313 of file random.c.

References rb_gc_mark().

static size_t random_memsize ( const void *  ptr  )  [static]

Definition at line 326 of file random.c.

static VALUE random_rand ( int  argc,
VALUE *  argv,
VALUE  obj 
) [static]

Definition at line 1082 of file random.c.

References get_rnd(), and rand_random().

Referenced by Init_Random().

static VALUE random_s_left ( VALUE  klass  )  [static]

Definition at line 599 of file random.c.

References INT2FIX, MT::left, and rb_random_t::mt.

Referenced by Init_Random().

static VALUE random_s_rand ( int  argc,
VALUE *  argv,
VALUE  obj 
) [static]

Definition at line 1226 of file random.c.

References rand_random(), and rand_start().

Referenced by Init_Random().

static VALUE random_s_state ( VALUE  klass  )  [static]

Definition at line 584 of file random.c.

References rb_random_t::mt, and mt_state().

Referenced by Init_Random().

static VALUE random_seed ( void   )  [static]

Definition at line 521 of file random.c.

References buf, DEFAULT_SEED_CNT, fill_random_seed(), and make_seed_value().

Referenced by Init_Random(), rand_start(), random_init(), and rb_f_srand().

static VALUE random_state ( VALUE  obj  )  [static]

Definition at line 576 of file random.c.

References get_rnd(), rb_random_t::mt, and mt_state().

Referenced by Init_Random().

static VALUE range_values ( VALUE  vmax,
VALUE *  begp,
VALUE *  endp,
int *  exclp 
) [static]

Definition at line 909 of file random.c.

References id_minus, NIL_P, Qfalse, rb_funcall2, rb_range_values(), and rb_respond_to().

Referenced by rand_range().

static VALUE rb_f_rand ( int  argc,
VALUE *  argv,
VALUE  obj 
) [static]

Definition at line 1198 of file random.c.

References DBL2NUM, default_mt(), genrand_real(), INT2FIX, NIL_P, Qfalse, rand_int(), rand_range(), rb_scan_args(), and rb_to_int().

Referenced by Init_Random().

static VALUE rb_f_srand ( int  argc,
VALUE *  argv,
VALUE  obj 
) [static]

Definition at line 680 of file random.c.

References rb_random_t::mt, rand_init(), random_seed(), rb_scan_args(), and rb_random_t::seed.

Referenced by Init_Random().

unsigned int rb_genrand_int32 ( void   ) 

Definition at line 251 of file random.c.

References default_mt(), and genrand_int32().

double rb_genrand_real ( void   ) 

Definition at line 258 of file random.c.

References default_mt(), and genrand_real().

unsigned long rb_genrand_ulong_limited ( unsigned long  limit  ) 

Definition at line 789 of file random.c.

References default_mt(), and limited_rand().

Referenced by bary_sparse_p().

st_index_t rb_hash_start ( st_index_t  h  ) 

Definition at line 1296 of file random.c.

References hashseed, and st_hash_start.

Referenced by match_hash(), method_hash(), proc_hash(), range_hash(), rb_ary_hash(), rb_hash_hash(), rb_objid_hash(), and rb_struct_hash().

st_index_t rb_memhash ( const void *  ptr,
long  len 
)

Definition at line 1302 of file random.c.

References sip_hash24, sipseed, and sip_uint64_t::u32.

Referenced by BigDecimal_hash(), d_lite_hash(), match_hash(), nucomp_hash(), nurat_hash(), rb_big_hash(), rb_dbl_hash(), rb_str_hash(), and reg_hash().

VALUE rb_random_bytes ( VALUE  obj,
long  n 
)

Definition at line 877 of file random.c.

References CHAR_BIT, genrand_int32(), id_bytes, LONG2NUM, rb_random_t::mt, rb_funcall2, rb_str_new(), RSTRING_PTR, SIZEOF_INT32, and try_get_rnd().

Referenced by random_bytes().

unsigned int rb_random_int32 ( VALUE  obj  ) 

Definition at line 795 of file random.c.

References genrand_int32(), id_rand, INT2FIX, rb_random_t::mt, NUM2ULONG, rb_big_plus(), rb_funcall2, try_get_rnd(), and ULONG2NUM.

double rb_random_real ( VALUE  obj  ) 

Definition at line 812 of file random.c.

References genrand_real(), id_rand, rb_random_t::mt, NUM2DBL, rb_eRangeError, rb_funcall2, rb_raise(), and try_get_rnd().

unsigned long rb_random_ulong_limited ( VALUE  obj,
unsigned long  limit 
)

Definition at line 843 of file random.c.

References id_rand, limited_rand(), rb_random_t::mt, NUM2ULONG, rb_eRangeError, rb_funcall2, rb_num_negative_p(), rb_raise(), rb_to_int(), try_get_rnd(), and ulong_to_num_plus_1().

void rb_reset_random_seed ( void   ) 

Definition at line 1323 of file random.c.

References INT2FIX, rb_random_t::mt, rb_random_t::seed, and uninit_genrand.

Referenced by rb_thread_atfork().

static rb_random_t* try_get_rnd ( VALUE  obj  )  [static]

Definition at line 350 of file random.c.

References DATA_PTR, NULL, rand_start(), random_data_type, rb_cRandom, and rb_typeddata_is_kind_of().

Referenced by rb_random_bytes(), rb_random_int32(), rb_random_real(), and rb_random_ulong_limited().

static VALUE ulong_to_num_plus_1 ( unsigned long  n  )  [inline, static]

Definition at line 830 of file random.c.

References INT2FIX, rb_big_plus(), and ULONG2NUM.

Referenced by rb_random_ulong_limited().

Variable Documentation

rb_random_t default_rand [static]

Definition at line 229 of file random.c.

st_index_t hashseed [static]

Definition at line 1248 of file random.c.

Referenced by Init_RandomSeed(), and rb_hash_start().

ID id_bytes [static]

Definition at line 309 of file random.c.

Referenced by Init_Random(), and rb_random_bytes().

ID id_rand [static]

Definition at line 309 of file random.c.

Referenced by Init_Random(), rb_random_int32(), rb_random_real(), and rb_random_ulong_limited().

uint8_t key[16]

Definition at line 1250 of file random.c.

Referenced by cbsubst_get_subst_key(), check_exec_env_i(), check_exec_options_i(), check_exec_options_i_extract(), constat_delete(), cto_i(), cv_i(), fc_i(), fdbm_clear(), fdbm_delete(), fdbm_delete_if(), fdbm_each_key(), fdbm_each_pair(), fdbm_each_value(), fdbm_empty_p(), fdbm_fetch(), fdbm_has_key(), fdbm_has_value(), fdbm_invert(), fdbm_key(), fdbm_keys(), fdbm_length(), fdbm_select(), fdbm_shift(), fdbm_store(), fdbm_to_a(), fdbm_to_hash(), fdbm_values(), fgdbm_clear(), fgdbm_empty_p(), fgdbm_has_key(), fgdbm_length(), fgdbm_store(), fgdbm_values(), fill_envp_buf_i(), fsdbm_clear(), fsdbm_delete(), fsdbm_delete_if(), fsdbm_each_key(), fsdbm_each_pair(), fsdbm_each_value(), fsdbm_empty_p(), fsdbm_fetch(), fsdbm_has_key(), fsdbm_has_value(), fsdbm_invert(), fsdbm_key(), fsdbm_keys(), fsdbm_length(), fsdbm_select(), fsdbm_shift(), fsdbm_store(), fsdbm_to_a(), fsdbm_to_hash(), fsdbm_values(), gc_info_decode(), gc_stat_internal(), generate_json_object(), generic_ivar_remove(), getnext(), getnkey(), gvar_i(), hash2named_arg(), hash2ptr_dispparams(), iseq_compile_each(), ivar_i(), load_unlock(), obj_ivar_each(), oletypelib_path(), onig_st_insert_strend(), onig_st_lookup_strend(), ossl_call_client_cert_cb(), ossl_cipher_init(), ossl_cipher_initialize(), ossl_cipher_pkcs5_keyivgen(), ossl_pkcs12_initialize(), ossl_pkcs12_s_create(), ossl_pkcs7_decrypt(), ossl_pkcs7_s_sign(), ossl_sslctx_setup(), parse_exp(), r_fixup_compat(), r_object0(), rb_enc_aliases_enc_i(), rb_execarg_fixup(), rb_execarg_run_options(), rb_free_generic_ivar(), rb_gdbm_delete(), rb_gdbm_fetch2(), rb_gdbm_firstkey(), rb_gdbm_nextkey(), rb_get_kwargs(), rb_iseq_parameters(), rb_reserved_word(), rb_struct_each_pair(), reachable_object_from_i(), remove_method(), run_final(), set_state_ivars(), socklist_delete(), splpage(), sv_i(), tr_setup_table(), unknown_keyword_error(), unpack_entries(), update_char_offset(), and vm_stat().

const rb_data_type_t random_data_type [static]
Initial value:
 {
    "random",
    {
        random_mark,
        random_free,
        random_memsize,
    },
    NULL, NULL, RUBY_TYPED_FREE_IMMEDIATELY
}

Definition at line 331 of file random.c.

Referenced by get_rnd(), Init_Random(), random_alloc(), and try_get_rnd().

VALUE rb_cRandom

Definition at line 306 of file random.c.

Referenced by Init_Random(), rb_ary_sample(), rb_ary_shuffle_bang(), and try_get_rnd().

union { ... } sipseed [static]

Referenced by Init_RandomSeed(), and rb_memhash().

uint32_t u32[(16 *sizeof(uint8_t)-1)/sizeof(uint32_t)]

Definition at line 1251 of file random.c.

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