| Index: chrome/test/data/dromaeo/tests/sunspider-math-cordic.html
|
| ===================================================================
|
| --- chrome/test/data/dromaeo/tests/sunspider-math-cordic.html (revision 0)
|
| +++ chrome/test/data/dromaeo/tests/sunspider-math-cordic.html (revision 0)
|
| @@ -0,0 +1,103 @@
|
| +<html>
|
| +<head>
|
| +<script src="../htmlrunner.js"></script>
|
| +<script>
|
| +/*
|
| + * Copyright (C) Rich Moore. All rights reserved.
|
| + *
|
| + * Redistribution and use in source and binary forms, with or without
|
| + * modification, are permitted provided that the following conditions
|
| + * are met:
|
| + * 1. Redistributions of source code must retain the above copyright
|
| + * notice, this list of conditions and the following disclaimer.
|
| + * 2. Redistributions in binary form must reproduce the above copyright
|
| + * notice, this list of conditions and the following disclaimer in the
|
| + * documentation and/or other materials provided with the distribution.
|
| + *
|
| + * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY
|
| + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
| + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
|
| + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
| + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
| + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
| + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
| + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| + */
|
| +
|
| +/////. Start CORDIC
|
| +
|
| +var AG_CONST = 0.6072529350;
|
| +
|
| +function FIXED(X)
|
| +{
|
| + return X * 65536.0;
|
| +}
|
| +
|
| +function FLOAT(X)
|
| +{
|
| + return X / 65536.0;
|
| +}
|
| +
|
| +function DEG2RAD(X)
|
| +{
|
| + return 0.017453 * (X);
|
| +}
|
| +
|
| +var Angles = [
|
| + FIXED(45.0), FIXED(26.565), FIXED(14.0362), FIXED(7.12502),
|
| + FIXED(3.57633), FIXED(1.78991), FIXED(0.895174), FIXED(0.447614),
|
| + FIXED(0.223811), FIXED(0.111906), FIXED(0.055953),
|
| + FIXED(0.027977)
|
| + ];
|
| +
|
| +
|
| +function cordicsincos() {
|
| + var X;
|
| + var Y;
|
| + var TargetAngle;
|
| + var CurrAngle;
|
| + var Step;
|
| +
|
| + X = FIXED(AG_CONST); /* AG_CONST * cos(0) */
|
| + Y = 0; /* AG_CONST * sin(0) */
|
| +
|
| + TargetAngle = FIXED(28.027);
|
| + CurrAngle = 0;
|
| + for (Step = 0; Step < 12; Step++) {
|
| + var NewX;
|
| + if (TargetAngle > CurrAngle) {
|
| + NewX = X - (Y >> Step);
|
| + Y = (X >> Step) + Y;
|
| + X = NewX;
|
| + CurrAngle += Angles[Step];
|
| + } else {
|
| + NewX = X + (Y >> Step);
|
| + Y = -(X >> Step) + Y;
|
| + X = NewX;
|
| + CurrAngle -= Angles[Step];
|
| + }
|
| + }
|
| +}
|
| +
|
| +///// End CORDIC
|
| +
|
| +function cordic( runs ) {
|
| + for ( var i = 0 ; i < runs ; i++ ) {
|
| + cordicsincos();
|
| + }
|
| +}
|
| +
|
| +window.onload = function(){ startTest("sunspider-math-cordic", '');
|
| +
|
| +test("Cordic", function(){
|
| + cordic(2500);
|
| +});
|
| +
|
| +endTest(); };
|
| +</script>
|
| +</head>
|
| +<body></body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 269054:
Importing dromaeo performance tests to src/chrome/test/data.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/