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root/radiance/src/common/face.c
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Comparing src/common/face.c (file contents):
Revision 2.9 by greg, Fri Mar 14 21:27:45 2003 UTC vs.
Revision 2.10 by greg, Fri Mar 21 18:48:46 2003 UTC

# Line 36 | Line 36 | getface(o)                     /* get arguments for a face */
36   OBJREC  *o;
37   {
38          double  d1;
39 <        int  badvert;
39 >        int  smalloff, badvert;
40          FVECT  v1, v2, v3;
41          register FACE  *f;
42          register int  i;
# Line 84 | Line 84 | OBJREC  *o;
84                                                  /* compute offset */
85          badvert = 0;
86          f->offset = DOT(f->norm, VERTEX(f,0));
87 +        smalloff = fabs(f->offset) <= VERTEPS;
88          for (i = 1; i < f->nv; i++) {
89                  d1 = DOT(f->norm, VERTEX(f,i));
90 <                badvert += fabs(1.0 - d1*i/f->offset) > VERTEPS;
90 >                if (smalloff)
91 >                        badvert += fabs(d1 - f->offset/i) > VERTEPS;
92 >                else
93 >                        badvert += fabs(1.0 - d1*i/f->offset) > VERTEPS;
94                  f->offset += d1;
95          }
96          f->offset /= (double)f->nv;

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