[Numpy-discussion] numpy.sign query

Charles R Harris charlesr.harris at gmail.com
Fri Jul 12 21:25:43 EDT 2013

On Fri, Jul 12, 2013 at 12:53 PM, Alan G Isaac <alan.isaac at gmail.com> wrote:

> The docs for numpy.sign at
> http://docs.scipy.org/doc/numpy/reference/generated/numpy.sign.html
> do not indicate how complex numbers are handled.  Currently, np.sign
> appears to return the sign of the real part as a complex value.
> Was this an explicit choice?  Was x/abs(x) considered (for non-zero
> elements)?
ISTR some discussion of that. Personally, I like the x/abs(x) idea.

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