build/pgo/js-input/math-cordic.html@129ffea94266
build/pgo/js-input/math-cordic.html
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 <!DOCTYPE html>
2 <head>
3 <!--
4 Copyright (C) 2007 Apple Inc. All rights reserved.
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
8 are met:
9 1. Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
11 2. Redistributions in binary form must reproduce the above copyright
12 notice, this list of conditions and the following disclaimer in the
13 documentation and/or other materials provided with the distribution.
15 THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 -->
28 <title>SunSpider math-cordic</title>
30 </head>
32 <body>
33 <h3>math-cordic</h3>
34 <div id="console">
35 </div>
37 <script>
39 var _sunSpiderStartDate = new Date();
41 /*
42 * Copyright (C) Rich Moore. All rights reserved.
43 *
44 * Redistribution and use in source and binary forms, with or without
45 * modification, are permitted provided that the following conditions
46 * are met:
47 * 1. Redistributions of source code must retain the above copyright
48 * notice, this list of conditions and the following disclaimer.
49 * 2. Redistributions in binary form must reproduce the above copyright
50 * notice, this list of conditions and the following disclaimer in the
51 * documentation and/or other materials provided with the distribution.
52 *
53 * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY
54 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
56 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
57 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
58 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
59 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
60 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
61 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
62 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
63 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
64 */
66 /////. Start CORDIC
68 var AG_CONST = 0.6072529350;
70 function FIXED(X)
71 {
72 return X * 65536.0;
73 }
75 function FLOAT(X)
76 {
77 return X / 65536.0;
78 }
80 function DEG2RAD(X)
81 {
82 return 0.017453 * (X);
83 }
85 var Angles = [
86 FIXED(45.0), FIXED(26.565), FIXED(14.0362), FIXED(7.12502),
87 FIXED(3.57633), FIXED(1.78991), FIXED(0.895174), FIXED(0.447614),
88 FIXED(0.223811), FIXED(0.111906), FIXED(0.055953),
89 FIXED(0.027977)
90 ];
93 function cordicsincos() {
94 var X;
95 var Y;
96 var TargetAngle;
97 var CurrAngle;
98 var Step;
100 X = FIXED(AG_CONST); /* AG_CONST * cos(0) */
101 Y = 0; /* AG_CONST * sin(0) */
103 TargetAngle = FIXED(28.027);
104 CurrAngle = 0;
105 for (Step = 0; Step < 12; Step++) {
106 var NewX;
107 if (TargetAngle > CurrAngle) {
108 NewX = X - (Y >> Step);
109 Y = (X >> Step) + Y;
110 X = NewX;
111 CurrAngle += Angles[Step];
112 } else {
113 NewX = X + (Y >> Step);
114 Y = -(X >> Step) + Y;
115 X = NewX;
116 CurrAngle -= Angles[Step];
117 }
118 }
119 }
121 ///// End CORDIC
123 function cordic( runs ) {
124 var start = new Date();
126 for ( var i = 0 ; i < runs ; i++ ) {
127 cordicsincos();
128 }
130 var end = new Date();
132 return end.getTime() - start.getTime();
133 }
135 cordic(25000);
138 var _sunSpiderInterval = new Date() - _sunSpiderStartDate;
140 document.getElementById("console").innerHTML = _sunSpiderInterval;
141 </script>
144 </body>
145 </html>
