shithub: npe

ref: 2b93fd2cd792cfc97b836c991d01a76f00f7ef7e
dir: /libnpe/isnormal.c/

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

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