float64_is_nan
aIsNaN = float64_is_nan( a );
bIsNaN = float64_is_nan( b );
if (float64_is_nan(a) | float64_is_nan(b)) {
if (float64_is_nan(s1->dbl)) {
if (float64_is_nan(s2->dbl)) {
if (float64_is_nan(f64)) {
if (float64_is_nan(f64))
if (float64_is_nan(f64))
if (float64_is_nan(f64)) {
if (float64_is_nan(f64a)) {
if (float64_is_nan(f64b)) {
aIsNaN = float64_is_nan( a );
bIsNaN = float64_is_nan( b );