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Functions | |
int | slowFFT (EST_FVector &real, EST_FVector &imag) |
Basic in-place FFT. More... | |
int | FFT (EST_FVector &real, EST_FVector &imag) |
Alternate name for slowFFT. More... | |
int | slowIFFT (EST_FVector &real, EST_FVector &imag) |
Basic inverse in-place FFT. More... | |
int | IFFT (EST_FVector &real, EST_FVector &imag) |
Alternate name for slowIFFT. More... | |
int | power_spectrum (EST_FVector &real, EST_FVector &imag) |
Power spectrum using the fastFFT function. More... | |
int | power_spectrum_slow (EST_FVector &real, EST_FVector &imag) |
Power spectrum using the slowFFT function. More... | |
int | fastFFT (EST_FVector &invec) |
Fast FFT An optimised implementation by Tony Robinson to be used in preference to slowFFT. More... | |
int | fastlog2 (int) |