1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2014 the V8 project authors. All rights reserved.
2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Use of this source code is governed by a BSD-style license that can be
3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// found in the LICENSE file.
4b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch
5b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertTrue(isNaN(Math.cbrt(NaN)));
6b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertTrue(isNaN(Math.cbrt(function() {})));
7b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertTrue(isNaN(Math.cbrt({ toString: function() { return NaN; } })));
8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertTrue(isNaN(Math.cbrt({ valueOf: function() { return "abc"; } })));
9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertEquals("Infinity", String(1/Math.cbrt(0)));
10b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertEquals("-Infinity", String(1/Math.cbrt(-0)));
11b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertEquals("Infinity", String(Math.cbrt(Infinity)));
12b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochassertEquals("-Infinity", String(Math.cbrt(-Infinity)));
13b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch
14b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochfor (var i = 1E-100; i < 1E100; i *= Math.PI) {
15b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch  assertEqualsDelta(i, Math.cbrt(i*i*i), i * 1E-15);
16b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}
17b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch
18b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochfor (var i = -1E-100; i > -1E100; i *= Math.E) {
19b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch  assertEqualsDelta(i, Math.cbrt(i*i*i), -i * 1E-15);
20b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}
21b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch
22b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Let's be exact at least for small integers.
23b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochfor (var i = 2; i < 10000; i++) {
24b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch  assertEquals(i, Math.cbrt(i*i*i));
25b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}
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