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48 lines
950 B
HTML
48 lines
950 B
HTML
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<html><head>
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<!-- MOZ_INSERT_CONTENT_HOOK -->
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<script src = runner.js></script>
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<script>
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var onlyName = 'Partial Sums', onlyNum = 2048;
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function thisTest() {
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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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startTest("real-partial-sums");
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for ( var i = 1024; i <= 8192; i *= 2 ) (function(i){
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test( "Partial Sums", i, function(){
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partial(i);
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});
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})(i);
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endTest();
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}
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</script>
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<body onload="thisTest()"></body></html>
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