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Author SHA1 Message Date
Damien George a53af6c875 extmod/modurandom: Add some extra random functions. 
Functions added are:
- randint
- randrange
- choice
- random
- uniform

They are enabled with configuration variable
MICROPY_PY_URANDOM_EXTRA_FUNCS, which is disabled by default.  It is
enabled for unix coverage build and stmhal.
 2016-01-26 15:27:00 +00:00
Paul Sokolovsky ea495d6aa6 extmod/modurandom: Make yasmarang() function static. 2016-01-17 14:12:33 +02:00
Paul Sokolovsky a58a91eb04 extmod/modurandom: Add "urandom" module. 
Seedable and reproducible pseudo-random number generator. Implemented
functions are getrandbits(n) (n <= 32) and seed().

The algorithm used is Yasmarang by Ilya Levin:
http://www.literatecode.com/yasmarang
 2016-01-17 12:13:01 +02:00