[ViewVC] Diff of: radiance/ray/src/rt/rayinit.cal

Comparing ray/src/rt/rayinit.cal (file contents):
Revision 2.4 by greg, Mon Aug 17 16:01:24 1992 UTC vs.
Revision 2.6 by greg, Thu Mar 18 12:36:03 1993 UTC

#	Line 100 \| Line 100 \| *grey(r,g,b) = noneg(.263r + .655g + .082b);**
100		clip_r(r,g,b) = bound(0,r,1);
101		clip_g(r,g,b) = bound(0,g,1);
102		clip_b(r,g,b) = bound(0,b,1);
103	<	clipgrey(r,g,b) = bound(0,grey(r,g,b),1);
103	>	clipgrey(r,g,b) = min(grey(r,g,b),1);
104
105		dot(v1,v2) : v1(1)v2(1) + v1(2)v2(2) + v1(3)*v2(3);
106		cross(i,v1,v2) : select(i, v1(2)v2(3) - v1(3)v2(2),
#	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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