The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/sunspider/check-math-partial-sums.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,41 @@
     1.4 +// The Computer Language Shootout
     1.5 +// http://shootout.alioth.debian.org/
     1.6 +// contributed by Isaac Gouy
     1.7 +
     1.8 +function partial(n){
     1.9 +    var a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 = 0.0;
    1.10 +    var twothirds = 2.0/3.0;
    1.11 +    var alt = -1.0;
    1.12 +    var k2 = k3 = sk = ck = 0.0;
    1.13 +    
    1.14 +    for (var k = 1; k <= n; k++){
    1.15 +        k2 = k*k;
    1.16 +        k3 = k2*k;
    1.17 +        sk = Math.sin(k);
    1.18 +        ck = Math.cos(k);
    1.19 +        alt = -alt;
    1.20 +        
    1.21 +        a1 += Math.pow(twothirds,k-1);
    1.22 +        a2 += Math.pow(k,-0.5);
    1.23 +        a3 += 1.0/(k*(k+1.0));
    1.24 +        a4 += 1.0/(k3 * sk*sk);
    1.25 +        a5 += 1.0/(k3 * ck*ck);
    1.26 +        a6 += 1.0/k;
    1.27 +        a7 += 1.0/k2;
    1.28 +        a8 += alt/k;
    1.29 +        a9 += alt/(2*k -1);
    1.30 +    }
    1.31 +
    1.32 +    return [ a1, a2, a3, a4, a5, a6, a7, a8, a9 ];
    1.33 +}
    1.34 +
    1.35 +var actual = [];
    1.36 +for (var i = 1024; i <= 16384; i *= 2)
    1.37 +  Array.prototype.push.apply(actual, partial(i));
    1.38 +
    1.39 +var eps = 1e-12;
    1.40 +var expect = [2.9999999999999987,62.555269219624684,0.9990243902439033,30.174793391263677,42.99468748637077,7.509175672278132,1.6439579810301654,0.6926591377284127,0.785154022830656,2.9999999999999987,89.06036157695789,0.9995119570522216,30.30796333494624,42.99485339033617,8.202078771817716,1.6444459047881168,0.6929030995395857,0.7852760930922243,2.9999999999999987,126.54745783224483,0.999755918965097,30.314167756318135,42.994888939123,8.89510389696629,1.6446899560231332,0.6930251251486118,0.7853371282421086,2.9999999999999987,179.56450569047874,0.9998779445868421,30.314499725429847,42.99489723774016,9.588190046095265,1.644812003986005,0.693086149128997,0.785367645819433,2.9999999999999987,254.54355172132264,0.9999389685688135,30.31451920492601,42.99489939769195,10.281306710008463,1.6448730335545856,0.6931166639131536,0.7853829046083998];
    1.41 +
    1.42 +assertEq(actual.length, expect.length);
    1.43 +for (var i = 0; i < expect.length; ++i)
    1.44 +  assertEq(Math.abs(actual[i] - expect[i]) < eps, true);