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author | Raymond Hettinger <python@rcn.com> | 2010-09-07 20:04:42 (GMT) |
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committer | Raymond Hettinger <python@rcn.com> | 2010-09-07 20:04:42 (GMT) |
commit | f015b3f5f6ccaa848bdb96306d2f4120bdbc46c7 (patch) | |
tree | 8f89e0ac3904073615955343edd564f35de68c19 | |
parent | 05a505f106f8a77f3ea753caa3c05ea59af3b297 (diff) | |
download | cpython-f015b3f5f6ccaa848bdb96306d2f4120bdbc46c7.zip cpython-f015b3f5f6ccaa848bdb96306d2f4120bdbc46c7.tar.gz cpython-f015b3f5f6ccaa848bdb96306d2f4120bdbc46c7.tar.bz2 |
Neaten-up comments and warning message.
-rw-r--r-- | Lib/random.py | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Lib/random.py b/Lib/random.py index b2a3d51..0aee06e 100644 --- a/Lib/random.py +++ b/Lib/random.py @@ -221,9 +221,8 @@ class Random(_random.Random): getrandbits = self.getrandbits # Only call self.getrandbits if the original random() builtin method # has not been overridden or if a new getrandbits() was supplied. - # This assures that the two methods correspond. if type(self.random) is BuiltinMethod or type(getrandbits) is Method: - r = getrandbits(k) # 0 <= r < 2**k + r = getrandbits(k) # 0 <= r < 2**k while r >= n: r = getrandbits(k) return r @@ -231,11 +230,12 @@ class Random(_random.Random): # so we can only use random() from here. if k > bpf: _warn("Underlying random() generator does not supply \n" - "enough bits to choose from a population range this large") + "enough bits to choose from a population range this large.\n" + "To remove the range limitation, add a getrandbits() method.") return int(self.random() * n) random = self.random N = 1 << k - r = int(N * random()) + r = int(N * random()) # 0 <= r < 2**k while r >= n: r = int(N * random()) return r |