2
* Copyright (C) 2007 Apple Inc. All rights reserved.
4
* Redistribution and use in source and binary forms, with or without
5
* modification, are permitted provided that the following conditions
7
* 1. Redistributions of source code must retain the above copyright
8
* notice, this list of conditions and the following disclaimer.
9
* 2. Redistributions in binary form must reproduce the above copyright
10
* notice, this list of conditions and the following disclaimer in the
11
* documentation and/or other materials provided with the distribution.
13
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
function morph(a, f) {
31
var PI2nx = Math.PI * 8/nx
33
var f30 = -(50 * sin(f*Math.PI*2))
35
for (var i = 0; i < nz; ++i) {
36
for (var j = 0; j < nx; ++j) {
37
a[3*(i*nx+j)+1] = sin((j-1) * PI2nx ) * -f30
44
for (var i=0; i < nx*nz*3; ++i)
47
for (var i = 0; i < loops; ++i) {
52
for (var i = 0; i < nx; i++)
53
testOutput += a[3*(i*nx+i)+1];
56
/* not based on any mathematical error calculation.*/
57
acceptableDelta = 4e-15
59
assertEq((testOutput - 6.394884621840902e-14) < acceptableDelta, true);