shithub: npe

ref: 0eabd603f8768063fb423d7b065fe1124837e2f2
dir: /libnpe/isnormal.c/

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

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