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root/radiance/ray/src/common/linregr.h
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Comparing ray/src/common/linregr.h (file contents):
Revision 2.3 by greg, Sat Feb 22 02:07:22 2003 UTC vs.
Revision 2.6 by greg, Fri Jun 27 06:53:21 2003 UTC

# Line 1 | Line 1
1 < /* RCSid: $Id$ */
1 > /* RCSid $Id$ */
2   /*
3   * Header file for linear regression calculation.
4   */
5 + #ifndef _RAD_LINEGR_H_
6 + #define _RAD_LINEGR_H_
7 + #ifdef __cplusplus
8 + extern "C" {
9 + #endif
10  
6 – /* ====================================================================
7 – * The Radiance Software License, Version 1.0
8 – *
9 – * Copyright (c) 1990 - 2002 The Regents of the University of California,
10 – * through Lawrence Berkeley National Laboratory.   All rights reserved.
11 – *
12 – * Redistribution and use in source and binary forms, with or without
13 – * modification, are permitted provided that the following conditions
14 – * are met:
15 – *
16 – * 1. Redistributions of source code must retain the above copyright
17 – *         notice, this list of conditions and the following disclaimer.
18 – *
19 – * 2. Redistributions in binary form must reproduce the above copyright
20 – *       notice, this list of conditions and the following disclaimer in
21 – *       the documentation and/or other materials provided with the
22 – *       distribution.
23 – *
24 – * 3. The end-user documentation included with the redistribution,
25 – *           if any, must include the following acknowledgment:
26 – *             "This product includes Radiance software
27 – *                 (http://radsite.lbl.gov/)
28 – *                 developed by the Lawrence Berkeley National Laboratory
29 – *               (http://www.lbl.gov/)."
30 – *       Alternately, this acknowledgment may appear in the software itself,
31 – *       if and wherever such third-party acknowledgments normally appear.
32 – *
33 – * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
34 – *       and "The Regents of the University of California" must
35 – *       not be used to endorse or promote products derived from this
36 – *       software without prior written permission. For written
37 – *       permission, please contact [email protected].
38 – *
39 – * 5. Products derived from this software may not be called "Radiance",
40 – *       nor may "Radiance" appear in their name, without prior written
41 – *       permission of Lawrence Berkeley National Laboratory.
42 – *
43 – * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
44 – * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
45 – * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
46 – * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
47 – * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48 – * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49 – * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
50 – * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
51 – * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
52 – * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
53 – * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54 – * SUCH DAMAGE.
55 – * ====================================================================
56 – *
57 – * This software consists of voluntary contributions made by many
58 – * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
59 – * information on Lawrence Berkeley National Laboratory, please see
60 – * <http://www.lbl.gov/>.
61 – */
62 –
11   typedef struct {
12          double  xs, ys, xxs, yys, xys;
13          int     n;
# Line 79 | Line 27 | typedef struct {
27   #define lrxdev(l)       sqrt(((l)->xxs-(l)->xs*(l)->xs/(l)->n)/((l)->n-1))
28   #define lrydev(l)       sqrt(((l)->yys-(l)->ys*(l)->ys/(l)->n)/((l)->n-1))
29  
82 – #ifdef NOPROTO
30  
84 – extern void     lrclear();
85 – extern int      flrpoint();
86 – extern int      lrfit();
87 –
88 – #else
89 –
31   extern void     lrclear(LRSUM *l);
32   extern int      flrpoint(double x, double y, LRSUM *l);
33   extern int      lrfit(LRLIN *r, LRSUM *l);
34  
35 +
36 + #ifdef __cplusplus
37 + }
38   #endif
39 + #endif /* _RAD_LINEGR_H_ */
40 +

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