[Numpy-discussion] Behavior of np.random.uniform

[Sebastian Berg]

On Do, 2016-01-21 at 09:38 +0000, Robert Kern wrote:
> On Tue, Jan 19, 2016 at 5:35 PM, Sebastian Berg <
> sebastian at sipsolutions.net> wrote:
> >
> > On Di, 2016-01-19 at 16:28 +0000, G Young wrote:
> > > In rand range, it raises an exception if low >= high.
> > >
> > > I should also add that AFAIK enforcing low >= high with floats is
> a
> > > lot trickier than it is for integers.  I have been knee-deep in
> > > corner cases for some time with randint where numbers that are
> > > visually different are cast as the same number by numpy due to
> > > rounding and representation issues.  That situation only gets
> worse
> > > with floats.
> > >
> >
> > Well, actually random.uniform docstring says:
> >
> > Get a random number in the range [a, b) or [a, b] depending on
> > rounding.
> 
> Which docstring are you looking at? The current one says [low, high)
> 

Sorry, I was referring to the python random.uniform function. And as
far as I now understand the current numpy equivalent (intentionally or
not) seems to do the same thing, which suits fine with me.

- Sebastian



> http://docs.scipy.org/doc/numpy/reference/generated/numpy.random.unif
> orm.html#numpy.random.uniform
> 
> --
> Robert Kern
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