FFT support libraries
lindahl at conservativecomputer.com
Thu Jul 26 23:28:18 EDT 2001
On Fri, Jul 27, 2001 at 05:12:03AM +0200, Steffen Persvold wrote:
> Now, any idea why dfftpack needs the workspace to be 4
> *n+15 and SGI libraries only n+15 ??
Different algorithms precompute different things and do different
things with their working storage. With libraries like FFTW you don't
even know what algorithm to use in advance.
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