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Co-authored-by: Kirill Shirokov <kirill.shirokov@oracle.com> Co-authored-by: Dmitry Fazunenko <dmitry.fazunenko@oracle.com> Co-authored-by: Kirill Zhaldybin <kirill.zhaldybin@oracle.com> Reviewed-by: lmesnik, sla
56 lines
2.0 KiB
Java
56 lines
2.0 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary Busy infinite loop client, calculating E number
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*/
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public class Livelock {
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public static double elim;
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public static void main(String[] args) {
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System.out.printf(
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"%24s %24s %24s %24s %24s %24s%n",
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"n", "n!", "e = lim(...)", "e = taylor series",
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"err e-lim", "err e-taylor");
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while (true) {
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double esum = 2;
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double nfac = 1;
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double iter = 1;
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for (double n = 1; !Double.isInfinite(n) && !Double.isNaN(n) ; n = n * 2) {
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elim = Math.pow(1 + 1 / n, n);
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iter += 1;
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nfac *= iter;
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esum += 1 / nfac;
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System.out.printf("% 24.16e % 24.16e % 24.16e % 24.16e"
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+ "%- 24.16e %- 24.16e%n",
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n, nfac, elim, esum, (Math.E - elim), (Math.E - esum));
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}
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}
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}
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}
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