On Sun, Jan 13, 2013 at 6:27 PM, Nathaniel Smith <n...@pobox.com> wrote: > Hi all, > > PR 2875 adds two new functions, that generalize zeros(), ones(), > zeros_like(), ones_like(), by simply taking an arbitrary fill value: > https://github.com/numpy/numpy/pull/2875 > So > np.ones((10, 10)) > is the same as > np.filled((10, 10), 1) > > The implementations are trivial, but the API seems useful because it > provides an idiomatic way of efficiently creating an array full of > inf, or nan, or None, whatever funny value you need. All the > alternatives are either inefficient (np.ones(...) * np.inf) or > cumbersome (a = np.empty(...); a.fill(...)). Or so it seems to me. But > there's a question of taste here; one could argue instead that these > just add more clutter to the numpy namespace. So, before we merge, > anyone want to chime in?
One alternative that does not expand the API with two-liners is to let the ndarray.fill() method return self: a = np.empty(...).fill(20.0) -- Robert Kern _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
