`radix_invmod_bn`

Synopsis#include <flint/radix.h>

int radix_invmod_bn(nn_ptr res, nn_srcptr x, slong xn, slong n, const radix_t radix)source

If $(x, \mathit{xn})$ is invertible modulo $B^n$ (that is, $x_0$ is coprime to $b$ ), sets $(\mathit{res}, n)$ to its inverse and returns 1; otherwise returns 0. Newton iteration on windowed products.

Cite this page

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

@misc{flint-doc-radix-radix-invmod-bn,
  author       = {{The FLINT team}},
  title        = {{radix\_invmod\_bn (radix.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/radix/radix_invmod_bn.html},
  note         = {Generated 2026-11-02}
}

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