On Tue, Sep 16, 2014 at 3:42 PM, Nathaniel Smith <n...@pobox.com> wrote: > On Tue, Sep 16, 2014 at 3:27 PM, Charles R Harris > <charlesr.har...@gmail.com> wrote: >> Hi All, >> >> It turns out that gufuncs will broadcast the last dimension if it is one. >> For instance, inner1d has signature `(n), (n) -> ()`, yet >> >> In [27]: inner1d([1,1,1], [1]) >> Out[27]: 3 > > Yes, this looks totally wrong to me too... broadcasting is a feature > of auto-vectorizing a core operation over a set of dimensions, it > shouldn't be applied to the dimensions of the core operation itself > like this.
Are these functions doing any numerical shortcuts in this case? If yes, this would be convenient. inner1d(x, weights) with weights is either (n, ) or () if weights == 1: return x.sum() else: return inner1d(x, weights) Josef > > -n > > -- > Nathaniel J. Smith > Postdoctoral researcher - Informatics - University of Edinburgh > http://vorpus.org > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion