FLINT3.7.0-dev

fft_mfa_truncate_sqrt2_inner_sd_fft

Synopsis#include <flint/fft.h>
void fft_mfa_truncate_sqrt2_inner_sd_fft(struct sd_fft_mpn_mulmod_2expp1_ctx_struct * sdctx, mp_limb_t ** ii, mp_limb_t ** jj, mp_size_t n, flint_bitcnt_t w, mp_limb_t ** t1, mp_limb_t ** t2, mp_limb_t ** s1, mp_size_t sqrt, mp_size_t trunc, mp_limb_t ** tt)source

As fft_mfa_truncate_sqrt2_inner, with the pointwise products computed by sd_fft_mpn_mulmod_2expp1 with the context sdctx, initialised for N = nw; each thread gets its own scratch for the context. Only defined in builds with fft_small.

Cite this page

The FLINT team, “fft_mfa_truncate_sqrt2_inner_sd_fft (fft.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/fft/fft_mfa_truncate_sqrt2_inner_sd_fft.html (generated 2026-10-20).