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Using FFTW with IDL?? [message #37357]

Mon, 08 December 2003 23:35

Brian
Messages: 27
Registered: March 2001

Junior Member

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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