What does the standard lib do for rand range? I see that randint Is closed on both ends, so order doesn't matter, though if it raises for b<a, then that's a precedent we could follow.
(Sorry, on a phone, can't check) CHB On Jan 19, 2016, at 6:21 AM, G Young <gfyoun...@gmail.com> wrote: Of the methods defined in *numpy/mtrand.pyx* (excluding helper functions and *random_integers*, as they are all related to *randint*), *randint* is the only other function with *low* and *high* parameters. However, it enforces *high* > *low*. Greg On Tue, Jan 19, 2016 at 1:36 PM, Benjamin Root <ben.v.r...@gmail.com> wrote: > Are there other functions where this behavior may or may not be happening? > If it isn't consistent across all np.random functions, it probably should > be, one way or the other. > > Ben Root > > On Tue, Jan 19, 2016 at 5:10 AM, Jaime Fernández del Río < > jaime.f...@gmail.com> wrote: > >> Hi all, >> >> There is a PR (#7026 <https://github.com/numpy/numpy/pull/7026>) that >> documents the current behavior of np.random.uniform when the low and high >> parameters it takes do not conform to the expected low < high. Basically: >> >> - if low < high, random numbers are drawn from [low, high), >> - if low = high, all random numbers will be equal to low, and >> - if low > high, random numbers are drawn from (high, low] (notice >> the change in the open side of the interval.) >> >> My only worry is that, once we document this, we can no longer claim that >> it is a bug. So I would like to hear from others what do they think. The >> other more or less obvious options would be to: >> >> - Raise an error, but this would require a deprecation cycle, as >> people may be relying on the current undocumented behavior. >> - Check the inputs and draw numbers from [min(low, high), max(low, >> high)), which is minimally different from current behavior. >> >> I will be merging the current documentation changes in the next few days, >> so it would be good if any concerns were voiced before that. >> >> Thanks, >> >> Jaime >> >> -- >> (\__/) >> ( O.o) >> ( > <) Este es Conejo. Copia a Conejo en tu firma y ayúdale en sus planes >> de dominación mundial. >> >> _______________________________________________ >> NumPy-Discussion mailing list >> NumPy-Discussion@scipy.org >> https://mail.scipy.org/mailman/listinfo/numpy-discussion >> >> > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > https://mail.scipy.org/mailman/listinfo/numpy-discussion > > _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org https://mail.scipy.org/mailman/listinfo/numpy-discussion
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