taskLINGOT Is Not a Guitar-Only Tuner - Tasks: task #11100, Use libfftw


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task #11100: Use libfftw

Submitted by:  Ibán Cereijo <ibancereijo>
Submitted on:  Sun 17 Apr 2011 02:09:11 PM UTC  
Should Start On:  Sun 17 Apr 2011 12:00:00 AM UTC Should be Finished on:  Sun 17 Apr 2011 12:00:00 AM UTC
Category:  None Priority:  3 - Low
Status:  Done Privacy:  Public
Percent Complete:  80% Assigned to:  Ibán Cereijo <ibancereijo>
Open/Closed:  Closed Effort:  0.00

Sun 17 Apr 2011 02:09:11 PM UTC, original submission:  

Lingot should use libfftw (http://www.fftw.org/), which offers better performance and arbitrary sized FFTs.

The current code with the own FFT implementation should be keeped for compatibility reasons with other platforms without libfftw implementation. The choice must be made via the configure script, and the Debian package should require the dependency.

If we choose to use arbitrary size for FFTs, we can consider using a ComboboxEntry instead a Combobox for the FFT size parameter in the GUI. In that case, be careful when loading a configuration file with FFT size not being power of 2 when running Lingot without libfftw support.

Ibán Cereijo <ibancereijo>
Project AdministratorIn charge of this item.


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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2011-11-28 ibancereijo StatusNone => Done
        Percent Complete0% => 80%
        Open/ClosedOpen => Closed

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