Mercurial > cpython-lru_cache-weakref
diff Lib/random.py @ 23443:03dfe7d343db 2.2
Closes SF bug 527139. Moved temp variables inside guard.
| author | Raymond Hettinger <python@rcn.com> |
|---|---|
| date | Mon, 13 May 2002 23:43:06 +0000 |
| parents | d9b71f62814f |
| children | 453e59a472b2 |
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--- a/Lib/random.py Mon May 13 22:39:28 2002 +0000 +++ b/Lib/random.py Mon May 13 23:43:06 2002 +0000 @@ -443,14 +443,9 @@ def gammavariate(self, alpha, beta): # beta times standard gamma - ainv = _sqrt(2.0 * alpha - 1.0) - return beta * self.stdgamma(alpha, ainv, alpha - LOG4, alpha + ainv) + return beta * self.stdgamma(alpha) - def stdgamma(self, alpha, ainv, bbb, ccc): - # ainv = sqrt(2 * alpha - 1) - # bbb = alpha - log(4) - # ccc = alpha + ainv - + def stdgamma(self, alpha, *args): # *args for Py2.2 compatiblity random = self.random if alpha <= 0.0: raise ValueError, 'stdgamma: alpha must be > 0.0' @@ -461,6 +456,10 @@ # variables with non-integral shape parameters", # Applied Statistics, (1977), 26, No. 1, p71-74 + ainv = _sqrt(2.0 * alpha - 1.0) + bbb = alpha - LOG4 + ccc = alpha + ainv + while 1: u1 = random() u2 = random()