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| 1 """Random variable generators. | 1 """Random variable generators. |
| 2 | 2 |
| 3 integers | 3 integers |
| 4 -------- | 4 -------- |
| 5 uniform within range | 5 uniform within range |
| 6 | 6 |
| 7 sequences | 7 sequences |
| 8 --------- | 8 --------- |
| 9 pick random element | 9 pick random element |
| 10 pick random sample | 10 pick random sample |
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| 89 | 89 |
| 90 self.seed(x) | 90 self.seed(x) |
| 91 self.gauss_next = None | 91 self.gauss_next = None |
| 92 | 92 |
| 93 def seed(self, a=None, version=2): | 93 def seed(self, a=None, version=2): |
| 94 """Initialize internal state from hashable object. | 94 """Initialize internal state from hashable object. |
| 95 | 95 |
| 96 None or no argument seeds from current time or from an operating | 96 None or no argument seeds from current time or from an operating |
| 97 system specific randomness source if available. | 97 system specific randomness source if available. |
| 98 | 98 |
| 99 For version 2 (the default), all of the bits are used if *a* is a str, | 99 For version 2 (the default), all of the bits are used if *a *is a str, |
| 100 bytes, or bytearray. For version 1, the hash() of *a* is used instead. | 100 bytes, or bytearray. For version 1, the hash() of *a* is used instead. |
| 101 | 101 |
| 102 If *a* is an int, all bits are used. | 102 If *a* is an int, all bits are used. |
| 103 | 103 |
| 104 """ | 104 """ |
| 105 | 105 |
| 106 if a is None: | 106 if a is None: |
| 107 try: | 107 try: |
| 108 a = int.from_bytes(_urandom(32), 'big') | 108 a = int.from_bytes(_urandom(32), 'big') |
| 109 except NotImplementedError: | 109 except NotImplementedError: |
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| 719 gauss = _inst.gauss | 719 gauss = _inst.gauss |
| 720 betavariate = _inst.betavariate | 720 betavariate = _inst.betavariate |
| 721 paretovariate = _inst.paretovariate | 721 paretovariate = _inst.paretovariate |
| 722 weibullvariate = _inst.weibullvariate | 722 weibullvariate = _inst.weibullvariate |
| 723 getstate = _inst.getstate | 723 getstate = _inst.getstate |
| 724 setstate = _inst.setstate | 724 setstate = _inst.setstate |
| 725 getrandbits = _inst.getrandbits | 725 getrandbits = _inst.getrandbits |
| 726 | 726 |
| 727 if __name__ == '__main__': | 727 if __name__ == '__main__': |
| 728 _test() | 728 _test() |
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