Re: [Numpy-discussion] varargs for logical_or, etc
On Tue, Jun 5, 2012 at 6:59 PM, Benjamin Root wrote: > > > On Tue, Jun 5, 2012 at 10:37 AM, Robert Kern wrote: > >> On Tue, Jun 5, 2012 at 2:54 PM, Neal Becker wrote: >> > I think it's unfortunate that functions like logical_or are limited to >> binary. >> > >> > As a workaround, I've been using this: >> > >> > def apply_binary (func, *args): >> >if len (args) == 1: >> >return args[0] >> >elif len (args) == 2: >> >return func (*args) >> >else: >> >return func ( >> >apply_binary (func, *args[:len(args)/2]), >> >apply_binary (func, *args[(len(args))/2:])) >> > >> > Then for example: >> > >> > punc2 = np.logical_and (u % 5 == 4, >> > apply_binary (np.logical_or, u/5 == 3, u/5 == 8, >> u/5 == >> > 13)) >> >> >> reduce(np.logical_and, args) >> >> > I would love it if we could add something like that to the doc-string of > those functions because I don't think it is immediately obvious. How do we > do that for ufuncs? > Edit numpy/core/code_generators/ufunc_docstrings.py Ralf ___ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
Re: [Numpy-discussion] varargs for logical_or, etc
On Tue, Jun 5, 2012 at 10:37 AM, Robert Kern wrote: > On Tue, Jun 5, 2012 at 2:54 PM, Neal Becker wrote: > > I think it's unfortunate that functions like logical_or are limited to > binary. > > > > As a workaround, I've been using this: > > > > def apply_binary (func, *args): > >if len (args) == 1: > >return args[0] > >elif len (args) == 2: > >return func (*args) > >else: > >return func ( > >apply_binary (func, *args[:len(args)/2]), > >apply_binary (func, *args[(len(args))/2:])) > > > > Then for example: > > > > punc2 = np.logical_and (u % 5 == 4, > > apply_binary (np.logical_or, u/5 == 3, u/5 == 8, > u/5 == > > 13)) > > > reduce(np.logical_and, args) > > I would love it if we could add something like that to the doc-string of those functions because I don't think it is immediately obvious. How do we do that for ufuncs? Ben Root ___ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
Re: [Numpy-discussion] varargs for logical_or, etc
On Tue, Jun 5, 2012 at 2:54 PM, Neal Becker wrote: > I think it's unfortunate that functions like logical_or are limited to binary. > > As a workaround, I've been using this: > > def apply_binary (func, *args): > if len (args) == 1: > return args[0] > elif len (args) == 2: > return func (*args) > else: > return func ( > apply_binary (func, *args[:len(args)/2]), > apply_binary (func, *args[(len(args))/2:])) > > Then for example: > > punc2 = np.logical_and (u % 5 == 4, > apply_binary (np.logical_or, u/5 == 3, u/5 == 8, u/5 == > 13)) reduce(np.logical_and, args) -- Robert Kern ___ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion