зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.3 KiB
HTML
84 строки
2.3 KiB
HTML
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<!DOCTYPE html>
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<head>
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<!--
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Copyright (C) 2007 Apple Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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-->
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<title>SunSpider math-partial-sums</title>
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</head>
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<body>
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<h3>math-partial-sums</h3>
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<div id="console">
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</div>
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<script>
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var _sunSpiderStartDate = new Date();
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// The Computer Language Shootout
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// http://shootout.alioth.debian.org/
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// contributed by Isaac Gouy
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function partial(n){
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var a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 = 0.0;
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var twothirds = 2.0/3.0;
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var alt = -1.0;
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var k2 = k3 = sk = ck = 0.0;
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for (var k = 1; k <= n; k++){
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k2 = k*k;
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k3 = k2*k;
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sk = Math.sin(k);
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ck = Math.cos(k);
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alt = -alt;
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a1 += Math.pow(twothirds,k-1);
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a2 += Math.pow(k,-0.5);
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a3 += 1.0/(k*(k+1.0));
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a4 += 1.0/(k3 * sk*sk);
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a5 += 1.0/(k3 * ck*ck);
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a6 += 1.0/k;
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a7 += 1.0/k2;
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a8 += alt/k;
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a9 += alt/(2*k -1);
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}
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}
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for (var i = 1024; i <= 16384; i *= 2) {
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partial(i);
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}
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var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
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document.getElementById("console").innerHTML = _sunSpiderInterval;
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</script>
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</body>
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</html>
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