FLINT3.7.0-dev

d_is_nan

Synopsis#include <flint/double_extras.h>
int d_is_nan(double x)source

Returns nonzero if x is a NaN (with any payload) and 0 otherwise.

Cite this page

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