`_gr_vec_reciprocals`

Synopsis#include <flint/gr_vec.h>

int _gr_vec_reciprocals(gr_ptr res, slong len, gr_ctx_t ctx)source

Sets res to the reciprocals $1, 1/2, 1/3, \ldots, 1/\mathit{len}$ of the first len positive integers. The default stops at the first failure, so in $\mathbb{Z}/n\mathbb{Z}$ it returns GR_DOMAIN if some $k \le \mathit{len}$ is not invertible.

Cite this page

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

@misc{flint-doc-gr-vec-gr-vec-reciprocals,
  author       = {{The FLINT team}},
  title        = {{\_gr\_vec\_reciprocals (gr\_vec.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/gr_vec/_gr_vec_reciprocals.html},
  note         = {Generated 2026-11-02}
}

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