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root/radiance/ray/src/rt/rayinit.cal
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Comparing ray/src/rt/rayinit.cal (file contents):
Revision 2.5 by greg, Wed Oct 21 11:20:26 1992 UTC vs.
Revision 2.6 by greg, Thu Mar 18 12:36:03 1993 UTC

# Line 138 | Line 138 | un2`private(t) : t - (2.515517+t*(.802853+t*.010328))/
138                  (1+t*(1.432788+t*(.189269+t*.001308))) ;
139   un1`private(p) : un2`private(sqrt(-2*log(p))) ;
140  
141 < unif2norm(p) : if( .5-p, un1`private(p), -un1`private(1-p) ) ;
141 > unif2norm(p) : if( .5-p, -un1`private(p), un1`private(1-p) ) ;
142  
143   nrand(x) = unif2norm(rand(x));
144  

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