[Numpy-discussion] Importance of order when summing values in anarray

Charles R Harris charlesr.harris@gmail....
Wed Dec 10 12:07:58 CST 2008


On Wed, Dec 10, 2008 at 11:00 AM, frank wang <f.yw@hotmail.com> wrote:

>  On my two systems with Intel Core2 DUO, finfo(float128) gives me the
> nameerro, "NameError: name 'float128' is not defined". Why?
>
>

You probably run a 32 bit OS. IEEE extended precision is 80 bits. On 32 bit
systems it fits in three 32 bit words and shows up as float96. On 64 bit
systems it fits in two 64 bit words and shows up as float128.

Chuck
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