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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is JavaScript Engine testing utilities.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Brendan Eich
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
//-----------------------------------------------------------------------------
var BUGNUMBER = 329383;
var summary = 'Math copysign issues';
var actual = '';
var expect = '';
printBugNumber(BUGNUMBER);
printStatus (summary);
var inputs = [
-Infinity,
-10.01,
-9.01,
-8.01,
-7.01,
-6.01,
-5.01,
-4.01,
-Math.PI,
-3.01,
-2.01,
-1.01,
-0.5,
-0.49,
-0.01,
-0,
0,
+0,
0.01,
0.49,
0.50,
0,
1.01,
2.01,
3.01,
Math.PI,
4.01,
5.01,
6.01,
7.01,
8.01,
9.01,
10.01,
Infinity
];
var iinput;
for (iinput = 0; iinput < inputs.length; iinput++)
{
var input = inputs[iinput];
reportCompare(Math.round(input),
emulateRound(input),
summary + ': Math.round(' + input + ')');
}
reportCompare(isNaN(Math.round(NaN)),
isNaN(emulateRound(NaN)),
summary + ': Math.round(' + input + ')');
function emulateRound(x)
{
if (!isFinite(x) || x === 0) return x
if (-0.5 <= x && x < 0) return -0
return Math.floor(x + 0.5)
}
var z;
z = Math.min(-0, 0);
reportCompare(-Math.PI, Math.atan2(z, z), summary + ': Math.atan2(-0, -0)');
reportCompare(-Infinity, 1/z, summary + ': 1/-0');
z = Math.max(-0, 0);
reportCompare(0, Math.atan2(z, z), summary + ': Math.atan2(0, 0)');
reportCompare(Infinity, 1/z, summary + ': 1/0');
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