Bump... On Mon, Jan 30, 2012 at 1:17 AM, Warren Weckesser < warren.weckes...@enthought.com> wrote:
> In the following code, numpy.sin() calls the object's sin() function: > > In [2]: class Foo(object): > ...: def sin(self): > ...: return "spam" > ...: > > In [3]: f = Foo() > > In [4]: np.sin(f) > Out[4]: 'spam' > > Is this, in fact, guaranteed behavior for a ufunc? It does not appear to > be documented. > > This question came up in the discussion of SciPy pull request 138 ( > https://github.com/scipy/scipy/pull/138), where the idea is to add numpy > unary ufunc support to SciPy's sparse arrays. > > (Sorry if this email shows up twice. I sent it the first time while the > Enthought servers were down, and eventually got an email back saying it had > not been sent.) > > Warren > >
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