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root/radiance/ray/src/common/tcos.c
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Comparing ray/src/common/tcos.c (file contents):
Revision 3.1 by gwlarson, Wed Dec 16 18:15:07 1998 UTC vs.
Revision 3.2 by greg, Sat Feb 22 02:07:22 2003 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1998 Silicon Graphics, Inc. */
2 –
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ SGI";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6 –
4   /*
5   * Table-based cosine approximation.
6   *
# Line 11 | Line 8 | static char SCCSid[] = "$SunId$ SGI";
8   * to avoid conversion and guarantee that tsin(x)^2 + tcos(x)^2 == 1.
9   *
10   * No interpolation in this version.
11 + *
12 + * External symbols declared in standard.h
13 + */
14 +
15 + /* ====================================================================
16 + * The Radiance Software License, Version 1.0
17 + *
18 + * Copyright (c) 1990 - 2002 The Regents of the University of California,
19 + * through Lawrence Berkeley National Laboratory.   All rights reserved.
20 + *
21 + * Redistribution and use in source and binary forms, with or without
22 + * modification, are permitted provided that the following conditions
23 + * are met:
24 + *
25 + * 1. Redistributions of source code must retain the above copyright
26 + *         notice, this list of conditions and the following disclaimer.
27 + *
28 + * 2. Redistributions in binary form must reproduce the above copyright
29 + *       notice, this list of conditions and the following disclaimer in
30 + *       the documentation and/or other materials provided with the
31 + *       distribution.
32 + *
33 + * 3. The end-user documentation included with the redistribution,
34 + *           if any, must include the following acknowledgment:
35 + *             "This product includes Radiance software
36 + *                 (http://radsite.lbl.gov/)
37 + *                 developed by the Lawrence Berkeley National Laboratory
38 + *               (http://www.lbl.gov/)."
39 + *       Alternately, this acknowledgment may appear in the software itself,
40 + *       if and wherever such third-party acknowledgments normally appear.
41 + *
42 + * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
43 + *       and "The Regents of the University of California" must
44 + *       not be used to endorse or promote products derived from this
45 + *       software without prior written permission. For written
46 + *       permission, please contact [email protected].
47 + *
48 + * 5. Products derived from this software may not be called "Radiance",
49 + *       nor may "Radiance" appear in their name, without prior written
50 + *       permission of Lawrence Berkeley National Laboratory.
51 + *
52 + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
53 + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
54 + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
55 + * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
56 + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
59 + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
60 + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
61 + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
62 + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 + * SUCH DAMAGE.
64 + * ====================================================================
65 + *
66 + * This software consists of voluntary contributions made by many
67 + * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
68 + * information on Lawrence Berkeley National Laboratory, please see
69 + * <http://www.lbl.gov/>.
70   */
71  
72   #include <math.h>

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