[SciPy-User] Float32 FFT

David Cournapeau david@silveregg.co...
Tue Feb 2 20:42:07 CST 2010


David Baddeley wrote:
> Does anyone know if there is a way of doing single precision ffts (more explicitly n-dimensional ffts using fftn) in scipy/numpy? The standard functions all seem to force a conversion to double precision and with large (~1000x1000x50) images the memory starts to add up. 

It is supported in scipy trunk (upcoming 0.8.0). It is transparent, that 
is if your input is single precision, the output is as well.

cheers,

David


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