Developer Reference

Contents

One-dimensional Complex-to-complex FFTs

The following functions compute a one-dimensional complex-to-complex Fast Fourier transform.
fftw_plan fftw_create_plan(int
n
, fftw_direction
dir
, int
flags
);
fftw_plan fftw_create_plan_specific(int
n
, fftw_direction
dir
, int
flags
, fftw_complex
*in
, int
istride
, fftw_complex
*out
, int
ostride
);
void fftw(fftw_plan
plan
, int
howmany
, fftw_complex
*in
, int
istride
, int
idist
, fftw_complex
*out
, int
ostride
, int
odist
);
void fftw_one(fftw_plan
plan
, fftw_complex
*in
, fftw_complex
*out
);
void fftw_destroy_plan(fftw_plan
plan
);

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.