diff options
Diffstat (limited to 'numpy/oldnumeric/rng.py')
| -rw-r--r-- | numpy/oldnumeric/rng.py | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/numpy/oldnumeric/rng.py b/numpy/oldnumeric/rng.py index 28d3f16df..1ffd47b27 100644 --- a/numpy/oldnumeric/rng.py +++ b/numpy/oldnumeric/rng.py @@ -1,8 +1,10 @@ -# 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. +"""Re-create the RNG interface from Numeric. +Replace import RNG with import numpy.oldnumeric.rng as RNG. +It is for backwards compatibility only. + +""" +from __future__ import division, absolute_import, print_function __all__ = ['CreateGenerator','ExponentialDistribution','LogNormalDistribution', 'NormalDistribution', 'UniformDistribution', 'error', 'ranf', @@ -36,7 +38,7 @@ 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): @@ -51,7 +53,7 @@ class LogNormalDistribution(Distribution): m = float(m) s = float(s) if (s <= 0): - raise error, "standard deviation must be positive" + raise error("standard deviation must be positive") Distribution.__init__(self, 'lognormal', m, s) sn = math.log(1.0+s*s/(m*m)); self._mn = math.log(m)-0.5*sn @@ -69,7 +71,7 @@ class NormalDistribution(Distribution): m = float(m) s = float(s) if (s <= 0): - raise error, "standard deviation must be positive" + raise error("standard deviation must be positive") Distribution.__init__(self, 'normal', m, s) self._fac = 1.0/math.sqrt(2*math.pi)/s @@ -84,7 +86,7 @@ class UniformDistribution(Distribution): b = float(b) width = b-a if (width <=0): - raise error, "width of uniform distribution must be > 0" + raise error("width of uniform distribution must be > 0") Distribution.__init__(self, 'uniform', a, b) self._fac = 1.0/width @@ -106,7 +108,7 @@ class CreateGenerator(object): if dist is None: dist = default_distribution if not isinstance(dist, Distribution): - raise error, "Not a distribution object" + raise error("Not a distribution object") self._dist = dist def ranf(self): |