michael@0: 
michael@0: assertEq(Math.sqrt(-Infinity), NaN);
michael@0: assertEq(Math.sqrt(-3.14), NaN);
michael@0: assertEq(Math.sqrt(-2), NaN);
michael@0: assertEq(Math.sqrt(-0), -0);
michael@0: assertEq(Math.sqrt(0), 0);
michael@0: assertEq(Math.sqrt(2), Math.SQRT2);
michael@0: assertEq(Math.sqrt(49), 7);
michael@0: assertEq(Math.sqrt(Infinity), Infinity);
michael@0: 
michael@0: /* Inferred as sqrt(double). */
michael@0: function sqrt1(x) {
michael@0:     return Math.sqrt(x);
michael@0: }
michael@0: assertEq(sqrt1(NaN), NaN);
michael@0: assertEq(sqrt1(-Infinity), NaN);
michael@0: assertEq(sqrt1(Infinity), Infinity);
michael@0: assertEq(sqrt1(-0), -0);
michael@0: assertEq(sqrt1(2), Math.SQRT2);
michael@0: assertEq(sqrt1(16), 4);
michael@0: 
michael@0: /* Inferred as sqrt(int). */
michael@0: function sqrt2(x) {
michael@0:     return Math.sqrt(x);
michael@0: }
michael@0: assertEq(sqrt2(4), 2);
michael@0: assertEq(sqrt2(169), 13);
michael@0: assertEq(sqrt2(0), 0);
michael@0: