`fmpz_poly_pfrac_precompute`

Synopsis#include <flint/fmpz_mpoly_factor.h>

int fmpz_poly_pfrac_precompute(fmpz_poly_pfrac_t Iv, const fmpz_poly_struct * b, slong r)source

Prepares Iv for the $r \ge 2$ nonconstant denominators $b_i \in \mathbb{Z}[x]$ : computes the products $b_{i+1} \cdots b_{r-1}$ , the resultants that bound the size of solutions, a prime $p$ for which the $b_i$ stay coprime modulo $p$ , and the corresponding inverses. Returns 0 if $r < 2$ , some $b_i$ is constant, or two of them are not coprime.

Cite this page

The FLINT team, “fmpz_poly_pfrac_precompute (fmpz_mpoly_factor.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/fmpz_mpoly_factor/fmpz_poly_pfrac_precompute.html (generated 2026-11-02).

@misc{flint-doc-fmpz-mpoly-factor-fmpz-poly-pfrac-precompute,
  author       = {{The FLINT team}},
  title        = {{fmpz\_poly\_pfrac\_precompute (fmpz\_mpoly\_factor.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/fmpz_mpoly_factor/fmpz_poly_pfrac_precompute.html},
  note         = {Generated 2026-11-02}
}

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