FLINT3.7.0-dev

acb_dft_precomp, acb_dft_inverse_precomp

Synopsis#include <flint/acb_dft.h>
void acb_dft_precomp(acb_ptr w, acb_srcptr v, const acb_dft_pre_t pre, slong prec)source
void acb_dft_inverse_precomp(acb_ptr w, acb_srcptr v, const acb_dft_pre_t pre, slong prec)source

Set w to the DFT, respectively the inverse DFT, of v, both of length pre->n, using the plan. The accuracy is determined by the precision given to acb_dft_precomp_init; the argument prec only sets the rounding of the outputs. A plan is not modified by a transform and may be shared by several threads.

Cite this page

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