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96 lines
2.7 KiB
JavaScript
96 lines
2.7 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is JavaScript Engine testing utilities.
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*
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* The Initial Developer of the Original Code is
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* Jeff Walden.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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//-----------------------------------------------------------------------------
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var bug = "(none)";
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var summary = "Fibonacci generator by matrix multiplication";
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var actual, expect;
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printBugNumber(bug);
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printStatus(summary);
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/**************
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* BEGIN TEST *
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**************/
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function fib()
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{
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var init = [1, 0];
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var mx = [[1, 1], [1, 0]];
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while (true)
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{
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yield init[1];
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var tmp = [,];
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tmp[0] =
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mx[0][0]*init[0] + mx[0][1]*init[1];
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tmp[1] =
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mx[1][0]*init[0] + mx[1][1]*init[1];
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init = tmp;
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}
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}
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var failed = false;
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var it = fib();
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try
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{
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if (it.next() != 0)
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throw "F_0 failed";
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if (it.next() != 1)
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throw "F_1 failed";
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if (it.next() != 1)
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throw "F_2 failed";
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if (it.next() != 2)
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throw "F_3 failed";
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if (it.next() != 3)
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throw "F_4 failed";
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if (it.next() != 5)
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throw "F_5 failed";
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if (it.next() != 8)
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throw "F_6 failed";
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}
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catch (e)
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{
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failed = e;
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}
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expect = false;
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actual = failed;
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reportCompare(expect, actual, summary);
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