diff options
Diffstat (limited to 'numpy/oldnumeric/rng.py')
| -rw-r--r-- | numpy/oldnumeric/rng.py | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/numpy/oldnumeric/rng.py b/numpy/oldnumeric/rng.py index 77a90c694..fcf08bb37 100644 --- a/numpy/oldnumeric/rng.py +++ b/numpy/oldnumeric/rng.py @@ -1,7 +1,7 @@ # This module re-creates the RNG interface from Numeric # Replace import RNG with import numpy.oldnumeric.rng as RNG # -# It is for backwards compatibility only. +# It is for backwards compatibility only. __all__ = ['CreateGenerator','ExponentialDistribution','LogNormalDistribution','NormalDistribution', @@ -21,7 +21,7 @@ class Distribution(object): def density(self,x): raise NotImplementedError - + def __call__(self, x): return self.density(x) @@ -36,7 +36,7 @@ class Distribution(object): class ExponentialDistribution(Distribution): def __init__(self, lambda_): if (lambda_ <= 0): - raise error, "parameter must be positive" + raise error, "parameter must be positive" Distribution.__init__(self, 'exponential', lambda_) def density(x): @@ -115,7 +115,7 @@ class CreateGenerator(object): def sample(self, n): return self._dist._sample(self._rng, n) - + standard_generator = CreateGenerator(-1) def ranf(): @@ -126,12 +126,10 @@ def random_sample(*n): """random_sample(n) = array of n random numbers; random_sample(n1, n2, ...)= random array of shape (n1, n2, ..)""" - + if not n: return standard_generator.ranf() m = 1 for i in n: m = m * i return standard_generator.sample(m).reshape(*n) - - |