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root/Development/ray/src/px/pcond4.c

Comparing ray/src/px/pcond4.c (file contents):
Revision 3.11 by greg, Thu Jan 9 13:56:32 1997 UTC vs.
Revision 3.12 by greg, Fri Jan 10 13:06:54 1997 UTC

#	Line 98 | Line 98 | compveil()                             /* compute veiling image */
98		rdirscan(y)[x]);
99		if (t2 <= FTINY) continue;
100		/*      use approximation instead
101	<	t2 = acos(t2);
102	<	t2 = 1./(t2*t2);
101	>	t3 = acos(t2);
102	>	t2 = t2/(t3*t3);
103		*/
104	<	t2 = .5 / (1. - t2);
104	>	t2 *= .5 / (1. - t2);
105		copycolor(ctmp, fovscan(y)[x]);
106		scalecolor(ctmp, t2);
107		addcolor(vsum, ctmp);

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