[Numpy-discussion] Automatic matrices

Robert Kern robert.kern at gmail.com
Fri Dec 15 20:49:49 CST 2006


Keith Goodman wrote:

> But are there any unintended consequences of changing from array to asanyarray?

Not by itself, no. That entails that the implementations cannot rely on any
particular behavior of the arrays. The correct(ish) approach looks something
like the following, I believe:


def foo(input):
    input_arr = asanyarray(input)
    wrapper = input_arr.__array_wrap__
    input_arr = asarray(input_arr)

    # Do stuff on input_arr to get output_arr (an ndarray).

    return wrapper(output_arr)


-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
 that is made terrible by our own mad attempt to interpret it as though it had
 an underlying truth."
  -- Umberto Eco


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