michael@0: for (var i = -10; i < 10; i++)
michael@0:     assertNear(Math.log2(Math.pow(2, i)), i);
michael@0: 
michael@0: assertNear(Math.log2(5), 2.321928094887362);
michael@0: assertNear(Math.log2(7), 2.807354922057604);
michael@0: assertNear(Math.log2(Math.E), Math.LOG2E);
michael@0: 
michael@0: reportCompare(0, 0, "ok");