[Numpy-discussion] bad generator behaviour with sum

Charles R Harris charlesr.harris at gmail.com
Sun Aug 27 14:36:40 CDT 2006


Hi,

On 8/27/06, listservs at mac.com <listservs at mac.com> wrote:
>
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> It seems like numpy.sum breaks generator expressions:
>
> In [1]: sum(i*i for i in range(10))
> Out[1]: 285
>
> In [2]: from numpy import sum
>
> In [3]: sum(i*i for i in range(10))
> Out[3]: <generator object at 0x10eca58>
>
> Is this intentional? If so, how do I get the behaviour that I am after?
>


In [3]: sum([i*i for i in range(10)])
Out[3]: 285

Chuck
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