shithub: npe

ref: 2cf5623e6397d8b5c689f3c82e62eb45f0bc1200
dir: /libnpe/isnormal.c/

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

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