[Numpy-discussion] switching to float32

Christian K. ckkart@hoc....
Fri Jun 26 16:02:23 CDT 2009


Robert Kern schrieb:
> 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.

Right, I answered before finishing to think. I thought it was about 
replacing the dtype keyword arg in all places to float32 which could 
very well be accomplished by the text editor itself as well.
Sorry.

Christian





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