std1.0.0-beta-7 SafeC docs

std :: dsp::fft_core

Macro FFT_ONE_BLOCK

#include <std/dsp/fft_core.h> source

#define FFT_ONE_BLOCK 4096UL

Transforms up to this length run as one block (64 KB in double: L2), so every stage is in the radix-4 pairing and there is no separate outer pass.