Prior to 1.7, I had working compatibility code such as the following:
if has_good_functions: # http://projects.scipy.org/numpy/ticket/1096 from numpy import logaddexp, logaddexp2 else: logaddexp = vectorize(_logaddexp, otypes=[numpy.float64]) logaddexp2 = vectorize(_logaddexp2, otypes=[numpy.float64]) # Run these at least once so that .ufunc.reduce exists logaddexp([1.,2.,3.],[1.,2.,3.]) logaddexp2([1.,2.,3.],[1.,2.,3.]) # And then make reduce available at the top level logaddexp.reduce = logaddexp.ufunc.reduce logaddexp2.reduce = logaddexp2.ufunc.reduce The point was that I wanted to treat the output of vectorize as a hacky drop-in replacement for a ufunc. In 1.7, I discovered that vectorize had changed (https://github.com/numpy/numpy/pull/290), and now there is no longer a ufunc attribute at all. Should this be added back in? Besides hackish drop-in replacements, I see value in to being able to call reduce, accumulate, etc (when possible) on the output of vectorize().
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