--- /dev/null
+<!DOCTYPE html>
+<head>
+<!--
+ Copyright (C) 2007 Apple Inc. 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 APPLE COMPUTER, INC. ``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.
+-->
+
+<title>SunSpider math-cordic</title>
+<link rel="stylesheet" href="sunspider.css">
+</head>
+
+<body>
+<h3>math-cordic</h3>
+<div id="console">
+</div>
+<script src="sunspider-record-result.js"></script>
+<script>
+
+var _sunSpiderStartDate = new Date();
+
+/*
+ * 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 ) {
+ var start = new Date();
+
+ for ( var i = 0 ; i < runs ; i++ ) {
+ cordicsincos();
+ }
+
+ var end = new Date();
+
+ return end.getTime() - start.getTime();
+}
+
+cordic(25000);
+
+
+var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
+
+record(_sunSpiderInterval);
+</script>
+
+
+</body>
+</html>
projects / vuplus_webkit / blobdiff