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root/radiance/ray/src/rt/func.c
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Comparing ray/src/rt/func.c (file contents):
Revision 2.15 by greg, Tue Feb 25 02:47:22 2003 UTC vs.
Revision 2.16 by greg, Tue Mar 11 17:08:55 2003 UTC

# Line 63 | Line 63 | int  dofwd;
63                  scompile("Ix=$16;Iy=$17;Iz=$18;", NULL, 0);
64                  scompile("Jx=$19;Jy=$20;Jz=$21;", NULL, 0);
65                  scompile("Kx=$22;Ky=$23;Kz=$24;", NULL, 0);
66 +                scompile("Lu=$25;Lv=$26;", NULL, 0);
67                  funset("arg", 1, '=', l_arg);
68                  funset("erf", 1, ':', l_erf);
69                  funset("erfc", 1, ':', l_erfc);
# Line 300 | Line 301 | register int  n;
301          if (n < 24)                     /* k unit vector */
302                  return(funcxf.xfm[2][n-21] / funcxf.sca);
303  
304 <        if (n == 24)                    /* single ray (shadow) distance */
304 >        if (n < 25)                     /* single ray (shadow) distance */
305                  return((fray->rot+raydist(fray->parent,SHADOW)) * funcxf.sca);
306 +
307 +        if (n < 27)                     /* local (u,v) coordinates */
308 +                return(fray->uv[n-26]);
309   badchan:
310          error(USER, "illegal channel number");
311 +        return(0.0);
312   }

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