//ww:run
package main;
import math;
fn readbits(p: *math.floatinfo) u64 = { return p.mantbits; };
export fn main() i32 = {
	let info: math.floatinfo;
	info.mantbits = 52u64;
	info.expbits = 11u64;
	info.expbias = 1023;
	info.mantmask = 0xFFFFFFFFFFFFFu64;
	info.expmask = 0x7FFu64;
	if (info.mantbits != 52u64) { return 1; };
	if (info.expbits != 11u64) { return 2; };
	if (info.expbias != 1023) { return 3; };
	if (info.mantmask != 0xFFFFFFFFFFFFFu64) { return 4; };
	if (info.expmask != 0x7FFu64) { return 5; };
	if (readbits(&info) != 52u64) { return 6; };
	return 0;
};