[Numpy-discussion] What does float64 mean on a 32-bit machine?
reckoner
reckoner@gmail....
Wed Mar 24 17:38:27 CDT 2010
How can I have a float64 dtype on a 32-bit machine? For example:
In [90]: x = array([1/3],dtype=float32)
In [91]: x
Out[91]: array([ 0.33333334], dtype=float32)
In [92]: x = array([1/3],dtype=float64)
In [93]: x
Out[93]: array([ 0.33333333])
Obviously, the float32 and float64 representations of 1/3 are different,
but what is the meaning of float64 on a 32-bit machine? Shouldn't a
32-bit machine only be able represent float32?
Thanks!
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