cx2 := C.complexFloatSquared(x)
	if cx2 != x2 {
		t.Errorf("C.complexFloatSquared(%v) = %v, want %v", x, cx2, x2)
	}

	y := C.complexdouble(2 + 3i)
	y2 := y * y
	cy2 := C.complexDoubleSquared(y)
	if cy2 != y2 {
		t.Errorf("C.complexDoubleSquared(%v) = %v, want %v", y, cy2, y2)
	}