4
Copyright (C) 2007 Apple Inc. All rights reserved.
6
Redistribution and use in source and binary forms, with or without
7
modification, are permitted provided that the following conditions
9
1. Redistributions of source code must retain the above copyright
10
notice, this list of conditions and the following disclaimer.
11
2. Redistributions in binary form must reproduce the above copyright
12
notice, this list of conditions and the following disclaimer in the
13
documentation and/or other materials provided with the distribution.
15
THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23
OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
<title>SunSpider math-partial-sums</title>
33
<h3>math-partial-sums</h3>
39
var _sunSpiderStartDate = new Date();
41
// The Computer Language Shootout
42
// http://shootout.alioth.debian.org/
43
// contributed by Isaac Gouy
46
var a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 = 0.0;
47
var twothirds = 2.0/3.0;
49
var k2 = k3 = sk = ck = 0.0;
51
for (var k = 1; k <= n; k++){
58
a1 += Math.pow(twothirds,k-1);
59
a2 += Math.pow(k,-0.5);
60
a3 += 1.0/(k*(k+1.0));
61
a4 += 1.0/(k3 * sk*sk);
62
a5 += 1.0/(k3 * ck*ck);
70
for (var i = 1024; i <= 16384; i *= 2) {
76
var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
78
document.getElementById("console").innerHTML = _sunSpiderInterval;