/* -*- 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 gTestfile = 'regress-329383.js'; //----------------------------------------------------------------------------- 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');