[Numpy-discussion] switching to float32

Robert Kern robert.kern@gmail....
Fri Jun 26 14:26:27 CDT 2009

On Fri, Jun 26, 2009 at 03:39, Christian K.<ckkart@hoc.net> wrote:
> John Schulman <joschu <at> caltech.edu> writes:
>> I'm trying to reduce the memory used in a calculation, so I'd like to
>> switch my program to float32 instead of float64. Is it possible to
>> change the numpy default float size, so I don't have to explicitly
>> state dtype=np.float32 everywhere?
> Possibly not the nicest way, but
> np.float64 = np.float32
> somewhere at the beginning should work.

No. There is no way to change the default dtype of ones(), zeros(), etc.

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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