`fmpz_lucas_chain_VtoU`

Synopsis#include <flint/fmpz.h>

void fmpz_lucas_chain_VtoU(fmpz_t Um, fmpz_t Um1, const fmpz_t Vm, const fmpz_t Vm1, const fmpz_t A, const fmpz_t B, const fmpz_t Dinv, const fmpz_t n)

source

Given $V_m$ and $V_{m+1}$ modulo $n$ , sets $U_m$ and $U_{m+1}$ , where Dinv is the inverse of $D = A^2 - 4B$ modulo $n$ . $U_m$ may alias $V_m$ and $U_{m+1}$ may alias $V_{m+1}$ .

Cite this page

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

@misc{flint-doc-fmpz-fmpz-lucas-chain-VtoU,
  author       = {{The FLINT team}},
  title        = {{fmpz\_lucas\_chain\_VtoU (fmpz.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/fmpz/fmpz_lucas_chain_VtoU.html},
  note         = {Generated 2026-11-02}
}

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