shithub: npe

ref: f2182dbd066326f8dcacf70c0026e17d6bd6e90b
dir: /libnpe/isnormal.c/

#include <math.h>
#include "_npe.h"

int
isnormal(double d)
{
	return d == 0 || isNaN(d) || isInf(d, 0);
}