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root/radiance/ray/src/rt/ambient.c
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Comparing ray/src/rt/ambient.c (file contents):
Revision 2.12 by greg, Mon Sep 21 12:07:31 1992 UTC vs.
Revision 2.13 by greg, Fri Oct 2 16:14:53 1992 UTC

# Line 167 | Line 167 | AMBTREE         *at;
167   FVECT  c0;
168   double  s;
169   {
170 –        extern double  sqrt();
170          double  d, e1, e2, wt, wsum;
171          COLOR  ct;
172          FVECT  ck0;

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