FLINT3.7.0-dev

fq_is_square

Synopsis#include <flint/fq.h>
int fq_is_square(const fq_t op, const fq_ctx_t ctx)source

Returns whether op is a square, by Euler's criterion \mathit{op}^{(q-1)/2} = 1. If p = 2, every element is a square.

Cite this page

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