FLINT3.7.0-dev

arb_sgn

Synopsis#include <flint/arb.h>
void arb_sgn(arb_t res, const arb_t x)source

Sets res to a ball containing the sign of every point of x: \pm 1 or 0 when the sign is determined, and [0 \pm 1] otherwise.

Cite this page

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