`arb_floor, arb_ceil, arb_trunc, arb_nint`

Synopsis#include <flint/arb.h>

void arb_floor(arb_t z, const arb_t x, slong prec)source

void arb_ceil(arb_t z, const arb_t x, slong prec)source

void arb_trunc(arb_t res, const arb_t x, slong prec)source

void arb_nint(arb_t res, const arb_t x, slong prec)source

Set the output to a ball containing $\lfloor t \rfloor$ , $\lceil t \rceil$ , $\operatorname{trunc}(t)$ , respectively the nearest integer to $t$ (ties to even), for all $t$ in x, with the midpoint rounded to prec bits.

Cite this page

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

@misc{flint-doc-arb-arb-floor,
  author       = {{The FLINT team}},
  title        = {{arb\_floor, arb\_ceil, arb\_trunc, arb\_nint (arb.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/arb/arb_floor.html},
  note         = {Generated 2026-11-02}
}

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