//ww:run
package main;
import math;
fn zero() f64 = { return 0.0; };
fn one() f64 = { return 1.0; };
export fn main() i32 = {
	let nan: f64 = zero() / zero();
	if (!math.isnan(nan)) { return 1; };
	if (math.isnan(1.0)) { return 2; };
	let inf: f64 = one() / zero();
	if (!math.isinf(inf)) { return 3; };
	if (!math.isinf(-inf)) { return 4; };
	if (math.isinf(nan)) { return 5; };
	if (math.isinf(1.23)) { return 6; };
	return 0;
};