uintptr(math.Float32bits(3.3)),
		uintptr(math.Float64bits(4.4e44)),
	)
	dr := math.Float64frombits(uint64(r))
	if dr != 2.5 {
		t.Errorf("got %f want 2.5 (err=%v)", dr, err)
	}
}

func TestTimeBeginPeriod(t *testing.T) {
	const TIMERR_NOERROR = 0
	if *runtime.TimeBeginPeriodRetValue != TIMERR_NOERROR {
		t.Fatalf("timeBeginPeriod failed: it returned %d", *runtime.TimeBeginPeriodRetValue)
	}
}