kiss_fft

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Description:

A Fast Fourier Transform based up on the principle, "Keep It Simple, Stupid." Kiss FFT is a very small, reasonably efficient, mixed radix FFT library that can use either fixed or floating point data types.

• Home: http://sourceforge.net/projects/kissfft/
• Devhelp-Package download

Content:

Namespaces:

• KissFFT

Structs:

• Cfg
• Cpx
• scalar

Methods:

• public Cfg alloc (int nfft, bool inverse_fft, void* mem, size_t* lenmem)
• public void cleanup ()
• public int next_fast_size (int n)
• public void transform (Cfg cfg, Cpx* fin, Cpx* fout)
• public void transform_stride (Cfg cfg, Cpx* fin, Cpx* fout, int fin_stride)
• KissFFTR

Structs:

• Cfg

Methods:

• public Cfg alloc (int nfft, bool inverse_fft, void* mem, size_t* lenmem)
• public void transform (Cfg cfg, scalar* timedata, Cpx* freqdata)
• public void transform_inverse (Cfg cfg, Cpx* freqdata, scalar* timedata)