`_fmpz_rfac_ui`

Synopsis#include <flint/fmpz.h>

void _fmpz_rfac_ui(fmpz_t r, const fmpz_t x, ulong a, ulong b)source

Sets r to (x+a)(x+a+1)\cdots(x+b-1) for x \ge 0 and b > a, by binary splitting with several factors packed per word at the leaves.

Cite this page

The FLINT team, “_fmpz_rfac_ui (fmpz.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/fmpz/_fmpz_rfac_ui.html (generated 2026-10-20).

@misc{flint-doc-fmpz-fmpz-rfac-ui,
  author       = {{The FLINT team}},
  title        = {{\_fmpz\_rfac\_ui (fmpz.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/fmpz/_fmpz_rfac_ui.html},
  note         = {Generated 2026-10-20}
}

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