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Re: Using FFTW with IDL?? [message #37341 is a reply to message #37326]

Tue, 09 December 2003 08:32

jnettle1
Messages: 27
Registered: January 2001

Junior Member

Just out of curiosity, why would you use this kind of dll over IDL's fft function?

Cheers,
Jeff

"Brian" <brian.huether@NOdlrSPAM.de> wrote in message news:<c9adde4a2a413838f2ae58b9b2a76664@news.teranews.com>...
> Hi,
>
> I am fairly new to IDL, and when it comes to calling external code, I am
> pretty clueless. I downloaded the windows binary from www.fftw.org. But now
> what? As I understand, the first thing one must do is create a "plan" that
> fftw uses to optimize its speed on a given platform. So does the fftw3.dll
> provide all this functionality? What is the calling convention like? Is
> someone willing to post a short tutorial that details the process (i.e. a
> tutorial that goes through the steps of creating the "plan", executing the
> fft, reusing the plan)?
>
> thanks,
>
> brian

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		Re: Using FFTW with IDL?? By: Richard French on Tue, 09 December 2003 16:06
		Re: Using FFTW with IDL?? By: jnettle1 on Tue, 09 December 2003 08:32

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