6 |
|
* their associated virtual light sources |
7 |
|
*/ |
8 |
|
|
9 |
< |
/* ==================================================================== |
10 |
< |
* The Radiance Software License, Version 1.0 |
11 |
< |
* |
12 |
< |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
13 |
< |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
14 |
< |
* |
15 |
< |
* Redistribution and use in source and binary forms, with or without |
16 |
< |
* modification, are permitted provided that the following conditions |
17 |
< |
* are met: |
18 |
< |
* |
19 |
< |
* 1. Redistributions of source code must retain the above copyright |
20 |
< |
* notice, this list of conditions and the following disclaimer. |
21 |
< |
* |
22 |
< |
* 2. Redistributions in binary form must reproduce the above copyright |
23 |
< |
* notice, this list of conditions and the following disclaimer in |
24 |
< |
* the documentation and/or other materials provided with the |
25 |
< |
* distribution. |
26 |
< |
* |
27 |
< |
* 3. The end-user documentation included with the redistribution, |
28 |
< |
* if any, must include the following acknowledgment: |
29 |
< |
* "This product includes Radiance software |
30 |
< |
* (http://radsite.lbl.gov/) |
31 |
< |
* developed by the Lawrence Berkeley National Laboratory |
32 |
< |
* (http://www.lbl.gov/)." |
33 |
< |
* Alternately, this acknowledgment may appear in the software itself, |
34 |
< |
* if and wherever such third-party acknowledgments normally appear. |
35 |
< |
* |
36 |
< |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
37 |
< |
* and "The Regents of the University of California" must |
38 |
< |
* not be used to endorse or promote products derived from this |
39 |
< |
* software without prior written permission. For written |
40 |
< |
* permission, please contact [email protected]. |
41 |
< |
* |
42 |
< |
* 5. Products derived from this software may not be called "Radiance", |
43 |
< |
* nor may "Radiance" appear in their name, without prior written |
44 |
< |
* permission of Lawrence Berkeley National Laboratory. |
45 |
< |
* |
46 |
< |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
47 |
< |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
48 |
< |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
49 |
< |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
50 |
< |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
51 |
< |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
52 |
< |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
53 |
< |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
54 |
< |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
55 |
< |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
56 |
< |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
57 |
< |
* SUCH DAMAGE. |
58 |
< |
* ==================================================================== |
59 |
< |
* |
60 |
< |
* This software consists of voluntary contributions made by many |
61 |
< |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
62 |
< |
* information on Lawrence Berkeley National Laboratory, please see |
63 |
< |
* <http://www.lbl.gov/>. |
64 |
< |
*/ |
9 |
> |
#include "copyright.h" |
10 |
|
|
11 |
|
#include "ray.h" |
12 |
|
|
100 |
|
errno = 0; |
101 |
|
va = mf->ep + 4*n; |
102 |
|
coef = evalue(va[0]); |
103 |
< |
if (errno) |
103 |
> |
if (errno == EDOM || errno == ERANGE) |
104 |
|
goto computerr; |
105 |
|
if (coef <= FTINY || rayorigin(&nr, r, TRANS, coef) < 0) |
106 |
|
return(0); |
107 |
|
va++; /* compute direction */ |
108 |
|
for (j = 0; j < 3; j++) { |
109 |
|
nr.rdir[j] = evalue(va[j]); |
110 |
< |
if (errno) |
110 |
> |
if (errno == EDOM || errno == ERANGE) |
111 |
|
goto computerr; |
112 |
|
} |
113 |
|
if (mf->f != &unitxf) |
178 |
|
errno = 0; |
179 |
|
va = mf->ep + 4*n; |
180 |
|
coef = evalue(va[0]); |
181 |
< |
if (errno) |
181 |
> |
if (errno == EDOM || errno == ERANGE) |
182 |
|
goto computerr; |
183 |
|
if (coef <= FTINY) |
184 |
|
return(0); /* insignificant */ |
185 |
|
va++; |
186 |
|
for (i = 0; i < 3; i++) { |
187 |
|
newdir[i] = evalue(va[i]); |
188 |
< |
if (errno) |
188 |
> |
if (errno == EDOM || errno == ERANGE) |
189 |
|
goto computerr; |
190 |
|
} |
191 |
|
if (mf->f != &unitxf) |