1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/build/pgo/js-input/math-cordic.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,145 @@
1.4 +<!DOCTYPE html>
1.5 +<head>
1.6 +<!--
1.7 + Copyright (C) 2007 Apple Inc. All rights reserved.
1.8 +
1.9 + Redistribution and use in source and binary forms, with or without
1.10 + modification, are permitted provided that the following conditions
1.11 + are met:
1.12 + 1. Redistributions of source code must retain the above copyright
1.13 + notice, this list of conditions and the following disclaimer.
1.14 + 2. Redistributions in binary form must reproduce the above copyright
1.15 + notice, this list of conditions and the following disclaimer in the
1.16 + documentation and/or other materials provided with the distribution.
1.17 +
1.18 + THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
1.19 + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.20 + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.21 + PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
1.22 + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.23 + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.24 + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.25 + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
1.26 + OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.27 + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.28 + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.29 +-->
1.30 +
1.31 +<title>SunSpider math-cordic</title>
1.32 +
1.33 +</head>
1.34 +
1.35 +<body>
1.36 +<h3>math-cordic</h3>
1.37 +<div id="console">
1.38 +</div>
1.39 +
1.40 +<script>
1.41 +
1.42 +var _sunSpiderStartDate = new Date();
1.43 +
1.44 +/*
1.45 + * Copyright (C) Rich Moore. All rights reserved.
1.46 + *
1.47 + * Redistribution and use in source and binary forms, with or without
1.48 + * modification, are permitted provided that the following conditions
1.49 + * are met:
1.50 + * 1. Redistributions of source code must retain the above copyright
1.51 + * notice, this list of conditions and the following disclaimer.
1.52 + * 2. Redistributions in binary form must reproduce the above copyright
1.53 + * notice, this list of conditions and the following disclaimer in the
1.54 + * documentation and/or other materials provided with the distribution.
1.55 + *
1.56 + * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY
1.57 + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.58 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.59 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
1.60 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
1.61 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
1.62 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
1.63 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
1.64 + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.65 + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.66 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.67 + */
1.68 +
1.69 +/////. Start CORDIC
1.70 +
1.71 +var AG_CONST = 0.6072529350;
1.72 +
1.73 +function FIXED(X)
1.74 +{
1.75 + return X * 65536.0;
1.76 +}
1.77 +
1.78 +function FLOAT(X)
1.79 +{
1.80 + return X / 65536.0;
1.81 +}
1.82 +
1.83 +function DEG2RAD(X)
1.84 +{
1.85 + return 0.017453 * (X);
1.86 +}
1.87 +
1.88 +var Angles = [
1.89 + FIXED(45.0), FIXED(26.565), FIXED(14.0362), FIXED(7.12502),
1.90 + FIXED(3.57633), FIXED(1.78991), FIXED(0.895174), FIXED(0.447614),
1.91 + FIXED(0.223811), FIXED(0.111906), FIXED(0.055953),
1.92 + FIXED(0.027977)
1.93 + ];
1.94 +
1.95 +
1.96 +function cordicsincos() {
1.97 + var X;
1.98 + var Y;
1.99 + var TargetAngle;
1.100 + var CurrAngle;
1.101 + var Step;
1.102 +
1.103 + X = FIXED(AG_CONST); /* AG_CONST * cos(0) */
1.104 + Y = 0; /* AG_CONST * sin(0) */
1.105 +
1.106 + TargetAngle = FIXED(28.027);
1.107 + CurrAngle = 0;
1.108 + for (Step = 0; Step < 12; Step++) {
1.109 + var NewX;
1.110 + if (TargetAngle > CurrAngle) {
1.111 + NewX = X - (Y >> Step);
1.112 + Y = (X >> Step) + Y;
1.113 + X = NewX;
1.114 + CurrAngle += Angles[Step];
1.115 + } else {
1.116 + NewX = X + (Y >> Step);
1.117 + Y = -(X >> Step) + Y;
1.118 + X = NewX;
1.119 + CurrAngle -= Angles[Step];
1.120 + }
1.121 + }
1.122 +}
1.123 +
1.124 +///// End CORDIC
1.125 +
1.126 +function cordic( runs ) {
1.127 + var start = new Date();
1.128 +
1.129 + for ( var i = 0 ; i < runs ; i++ ) {
1.130 + cordicsincos();
1.131 + }
1.132 +
1.133 + var end = new Date();
1.134 +
1.135 + return end.getTime() - start.getTime();
1.136 +}
1.137 +
1.138 +cordic(25000);
1.139 +
1.140 +
1.141 +var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
1.142 +
1.143 +document.getElementById("console").innerHTML = _sunSpiderInterval;
1.144 +</script>
1.145 +
1.146 +
1.147 +</body>
1.148 +</html>
