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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 1.5 by greg, Tue Apr 11 13:30:33 1989 UTC vs.
Revision 1.6 by greg, Wed Apr 19 21:20:29 1989 UTC

# Line 43 | Line 43 | register RAY  *r;
43          extern double  varvalue();
44          extern int  errno;
45          FVECT  disp;
46 +        double  d;
47          register XFORM  *mxf;
48          register int  i;
49          register char  **sa;
# Line 84 | Line 85 | register RAY  *r;
85          }
86          multv3(disp, disp, mxf->fore.xfm);
87          multv3(disp, disp, r->rofx);
88 +        d = 1.0 / (mxf->fore.sca * r->rofs);
89          for (i = 0; i < 3; i++)
90 <                r->pert[i] += disp[i] / (mxf->fore.sca * r->rofs);
90 >                r->pert[i] += disp[i] * d;
91          return;
92   memerr:
93          error(SYSTEM, "out of memory in t_func");

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