`arb_nonnegative_part`

Synopsis#include <flint/arb.h>

void arb_nonnegative_part(arb_t res, const arb_t x)source

Sets res to a ball containing the intersection of x with [0, +\infty]. A nonnegative x is copied; a finite x containing negative numbers gives a ball [r/2 \pm r/2] with no negative points; a negative x gives 0.

Cite this page

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

@misc{flint-doc-arb-arb-nonnegative-part,
  author       = {{The FLINT team}},
  title        = {{arb\_nonnegative\_part (arb.h)}},
  howpublished = {FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev},
  year         = {2026},
  url          = {https://flintlib.org/doc/arb/arb_nonnegative_part.html},
  note         = {Generated 2026-10-20}
}

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