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Re: IDL FFT Source Code [message #40180 is a reply to message #40169]

Wed, 14 July 2004 11:59

R.G. Stockwell
Messages: 363
Registered: July 1999

Senior Member

"Kenneth Bowman" <k-bowman@null.tamu.edu> wrote in message news:k-bowman-4FF73E.11124714072004@news.tamu.edu...
> In article <52822646.0407140820.497c0417@posting.google.com>,
> olde_english33@hotmail.com (Eric) wrote:
>
>> I was wondering if there was any way to view the source code for the
>> FFT that IDL uses. I am running into some complications and I think
>> that it could be caused by the way that IDL computes the FFT and then
>> the math I'm doing after the transformation. Can anyone help me?!?
>
> I don't think that is possible, but there was a discussion some months
> back about using external FFTs from IDL (FFTW, in particular). If you
> google this newsgroup for FFTW you should find that thread.
>
> Ken Bowman

And you can always write your own DFT and compare that result.
It'll be slow, but appropriate for a simple test case.

Cheers,
bob

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[Message index]

		Re: IDL FFT Source Code By: Craig Markwardt on Fri, 16 July 2004 07:56
		Re: IDL FFT Source Code By: R.G. Stockwell on Wed, 14 July 2004 11:59
		Re: IDL FFT Source Code By: K. Bowman on Wed, 14 July 2004 10:12

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