(assert (= 16 (logand 31 16))) (assert (= 24 (logand 31 25 24))) (assert (= 25 (logior 24 16 1))) (assert (= 25 (logior 8 16 1))) (assert (= 678 (logxor 123 456 789))) (assert (= -124 (lognot 123))) (assert (= 246 (lsh 123 1))) (assert (= 30 (ash 123 2))) (assert (= -31 (ash -123 2))) (assert (= 30 (ash 123 2))) (assert (= -31 (ash -123 2)))