Ship ES6 Math functions.

test/mjsunit/es6/math-cbrt.js

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-maths
-
 assertTrue(isNaN(Math.cbrt(NaN)));
 assertTrue(isNaN(Math.cbrt(function() {})));
 assertTrue(isNaN(Math.cbrt({ toString: function() { return NaN; } })));
 assertTrue(isNaN(Math.cbrt({ valueOf: function() { return "abc"; } })));
 assertEquals("Infinity", String(1/Math.cbrt(0)));
 assertEquals("-Infinity", String(1/Math.cbrt(-0)));
 assertEquals("Infinity", String(Math.cbrt(Infinity)));
 assertEquals("-Infinity", String(Math.cbrt(-Infinity)));
 
 for (var i = 1E-100; i < 1E100; i *= Math.PI) {
   assertEqualsDelta(i, Math.cbrt(i*i*i), i * 1E-15);
 }
 
 for (var i = -1E-100; i > -1E100; i *= Math.E) {
   assertEqualsDelta(i, Math.cbrt(i*i*i), -i * 1E-15);
 }
 
 // Let's be exact at least for small integers.
 for (var i = 2; i < 10000; i++) {
   assertEquals(i, Math.cbrt(i*i*i));
 }