`_unity_zp_pow_select_k`

Synopsis#include <flint/aprcl.h>

ulong _unity_zp_pow_select_k(const fmpz_t n)source

Returns the least $k$ with $\log n < k(k + 1) 2^{2k} / (2^{k + 1} - k - 2) + 1$ , the window size for an exponent of the size of $n$ .

Cite this page

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

@misc{flint-doc-aprcl-unity-zp-pow-select-k,
  author       = {{The FLINT team}},
  title        = {{\_unity\_zp\_pow\_select\_k (aprcl.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/aprcl/_unity_zp_pow_select_k.html},
  note         = {Generated 2026-11-02}
}

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