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fftw: fix for ifft1d.

db4
John Benediktsson 2014-06-04 12:16:11 -07:00
parent a735761574
commit d2c6bc41ce
1 changed files with 2 additions and 1 deletions
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extra/fftw/fftw.factor
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@ -39,7 +39,8 @@ PRIVATE>
: fft1d ( seq -- seq' ) FFTW_FORWARD (fft1d) ;
: ifft1d ( seq -- seq' ) FFTW_BACKWARD (fft1d) ;
: ifft1d ( seq -- seq' )
[ FFTW_BACKWARD (fft1d) ] [ length v/n ] bi ;
: correlate1d ( x y -- z )
[ fft1d ] [ reverse fft1d ] bi* v* ifft1d ;