djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

extmod/modurandom: Add init method to seed the Yasmarang generator.

Browse Source 
In CPython the random module is seeded differently on each import, and so
this new macro option MICROPY_PY_URANDOM_SEED_INIT_FUNC allows to implement
such a behaviour.
This commit is contained in:
Léa Saviot 2019-04-11 11:03:05 +02:00 committed by Damien George
parent fd58136d6b
commit a6e5846ba7
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
extmod/modurandom.c
View File

@ -200,8 +200,19 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_urandom_uniform_obj, mod_urandom_uniform);
#endif // MICROPY_PY_URANDOM_EXTRA_FUNCS
#ifdef MICROPY_PY_URANDOM_SEED_INIT_FUNC
STATIC mp_obj_t mod_urandom___init__() {
mod_urandom_seed(MP_OBJ_NEW_SMALL_INT(MICROPY_PY_URANDOM_SEED_INIT_FUNC));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_urandom___init___obj, mod_urandom___init__);
#endif
STATIC const mp_rom_map_elem_t mp_module_urandom_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_urandom) },
#ifdef MICROPY_PY_URANDOM_SEED_INIT_FUNC
{ MP_ROM_QSTR(MP_QSTR___init__), MP_ROM_PTR(&mod_urandom___init___obj) },
#endif
{ MP_ROM_QSTR(MP_QSTR_getrandbits), MP_ROM_PTR(&mod_urandom_getrandbits_obj) },
{ MP_ROM_QSTR(MP_QSTR_seed), MP_ROM_PTR(&mod_urandom_seed_obj) },
#if MICROPY_PY_URANDOM_EXTRA_FUNCS