_fmpq_poly_revert_series_lagrange_fast, fmpq_poly_revert_series_lagrange_fast
Synopsis
#include <flint/fmpq_poly.h>void _fmpq_poly_revert_series_lagrange_fast(fmpz * res, fmpz_t den, const fmpz * poly1, const fmpz_t den1, slong len1, slong n)sourcevoid fmpq_poly_revert_series_lagrange_fast(fmpq_poly_t res, const fmpq_poly_t poly, slong n)sourceRevert by the Lagrange inversion formula with a baby-step giant-step evaluation of the needed coefficients of the powers, in O(\sqrt{n} M(n)) operations.
Cite this page
The FLINT team, “_fmpq_poly_revert_series_lagrange_fast, fmpq_poly_revert_series_lagrange_fast (fmpq_poly.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/fmpq_poly/_fmpq_poly_revert_series_lagrange_fast.html (generated 2026-10-20).
@misc{flint-doc-fmpq-poly-fmpq-poly-revert-series-lagrange-fast,
author = {{The FLINT team}},
title = {{\_fmpq\_poly\_revert\_series\_lagrange\_fast, fmpq\_poly\_revert\_series\_lagrange\_fast (fmpq\_poly.h)}},
howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
year = {2026},
url = {https://flintlib.org/doc/fmpq_poly/_fmpq_poly_revert_series_lagrange_fast.html},
note = {Generated 2026-10-20}
}