1570af302Sopenharmony_ci#define _GNU_SOURCE 2570af302Sopenharmony_ci#include <math.h> 3570af302Sopenharmony_ci 4570af302Sopenharmony_ciint finitef(float x) 5570af302Sopenharmony_ci{ 6570af302Sopenharmony_ci return isfinite(x); 7570af302Sopenharmony_ci} 8