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root/radiance/ray/src/rt/t_func.c
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Comparing ray/src/rt/t_func.c (file contents):
Revision 2.5 by greg, Tue Feb 25 02:47:23 2003 UTC vs.
Revision 2.7 by schorsch, Tue Mar 30 16:13:01 2004 UTC

# Line 8 | Line 8 | static const char      RCSid[] = "$Id$";
8   #include "copyright.h"
9  
10   #include  "ray.h"
11
11   #include  "func.h"
12 + #include  "rtotypes.h"
13  
14   /*
15   *      A procedural texture perturbs the surface normal
# Line 28 | Line 28 | static const char      RCSid[] = "$Id$";
28   */
29  
30  
31 < t_func(m, r)                    /* compute texture for ray */
32 < register OBJREC  *m;
33 < register RAY  *r;
31 > extern int
32 > t_func(                 /* compute texture for ray */
33 >        register OBJREC  *m,
34 >        register RAY  *r
35 > )
36   {
37          FVECT  disp;
38          double  d;
# Line 44 | Line 46 | register RAY  *r;
46          errno = 0;
47          for (i = 0; i < 3; i++) {
48                  disp[i] = evalue(mf->ep[i]);
49 <                if (errno) {
49 >                if (errno == EDOM || errno == ERANGE) {
50                          objerror(m, WARNING, "compute error");
51                          return(0);
52                  }

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