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Small speed-up for NormalDist.samples (GH-94730)

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Raymond Hettinger 2022-07-10 22:34:53 -05:00 • committed by GitHub
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Lib/statistics.py
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@ -1193,7 +1193,7 @@ class NormalDist:
"Generate *n* samples for a given mean and standard deviation." "Generate *n* samples for a given mean and standard deviation."
gauss = random.gauss if seed is None else random.Random(seed).gauss gauss = random.gauss if seed is None else random.Random(seed).gauss
mu, sigma = self._mu, self._sigma mu, sigma = self._mu, self._sigma
return [gauss(mu, sigma) for i in range(n)] return [gauss(mu, sigma) for _ in repeat(None, n)]
def pdf(self, x): def pdf(self, x):
"Probability density function. P(x <= X < x+dx) / dx" "Probability density function. P(x <= X < x+dx) / dx"