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/basic/doMath.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,60 @@
     1.4 +function map_test(t, cases)
     1.5 +{
     1.6 +  for (var i = 0; i < cases.length; i++) {
     1.7 +    function c() { return t(cases[i].input); }
     1.8 +    var expected = cases[i].expected;
     1.9 +    assertEq(c(), expected);
    1.10 +  }
    1.11 +}
    1.12 +
    1.13 +function lsh_inner(n)
    1.14 +{
    1.15 +  var r;
    1.16 +  for (var i = 0; i < 35; i++)
    1.17 +    r = 0x1 << n;
    1.18 +  return r;
    1.19 +}
    1.20 +map_test (lsh_inner,
    1.21 +          [{input: 15, expected: 32768},
    1.22 +           {input: 55, expected: 8388608},
    1.23 +           {input: 1,  expected: 2},
    1.24 +           {input: 0,  expected: 1}]);
    1.25 +
    1.26 +function rsh_inner(n)
    1.27 +{
    1.28 +  var r;
    1.29 +  for (var i = 0; i < 35; i++)
    1.30 +    r = 0x11010101 >> n;
    1.31 +  return r;
    1.32 +}
    1.33 +map_test (rsh_inner,
    1.34 +          [{input: 8,  expected: 1114369},
    1.35 +           {input: 5,  expected: 8914952},
    1.36 +           {input: 35, expected: 35659808},
    1.37 +           {input: -1, expected: 0}]);
    1.38 +
    1.39 +function ursh_inner(n)
    1.40 +{
    1.41 +  var r;
    1.42 +  for (var i = 0; i < 35; i++)
    1.43 +    r = -55 >>> n;
    1.44 +  return r;
    1.45 +}
    1.46 +map_test (ursh_inner,
    1.47 +          [{input: 8,  expected: 16777215},
    1.48 +           {input: 33, expected: 2147483620},
    1.49 +           {input: 0,  expected: 4294967241},
    1.50 +           {input: 1,  expected: 2147483620}]);
    1.51 +
    1.52 +function doMath_inner(cos)
    1.53 +{
    1.54 +    var s = 0;
    1.55 +    var sin = Math.sin;
    1.56 +    for (var i = 0; i < 200; i++)
    1.57 +        s = -Math.pow(sin(i) + cos(i * 0.75), 4);
    1.58 +    return s;
    1.59 +}
    1.60 +function doMath() {
    1.61 +  return doMath_inner(Math.cos);
    1.62 +}
    1.63 +assertEq(doMath(), -0.5405549555611059);