FLINT3.7.0-dev

_fq_zech_poly_mul_univariate_threshold

Synopsis#include <flint/fq_zech_poly.h>
slong _fq_zech_poly_mul_univariate_threshold(const fq_zech_ctx_t ctx)source

Returns the tuned number of terms per output coefficient from which the substitution algorithm beats the classical one: 9d - 4 for q < 2^{17}, \max(\lfloor (9d - 4)/2 \rfloor, 2d + 2) for q < 2^{18} and 2d + 2 for larger fields, where table lookups miss the cache.

Cite this page

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