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root/Development/ray/src/common/fvect.c

Comparing ray/src/common/fvect.c (file contents):
Revision 2.2 by greg, Fri Oct 2 16:02:43 1992 UTC vs.
Revision 2.3 by greg, Fri Dec 10 09:53:30 1993 UTC

#	Line 103 | Line 103 | register FVECT  v;
103		if (len <= 0.0)
104		return(0.0);
105
106	<	/****** problematic
107	<	if (len >= (1.0-FTINY)*(1.0-FTINY) &&
108	<	len <= (1.0+FTINY)*(1.0+FTINY))
109	<	return(1.0);
110	<	******/
106	>	if (len <= 1.0+FTINY && len >= 1.0-FTINY)
107	>	len = 0.5 + 0.5*len;    /* first order approximation */
108	>	else
109	>	len = sqrt(len);
110
112	–	len = sqrt(len);
111		v[0] /= len;
112		v[1] /= len;
113		v[2] /= len;
114	+
115		return(len);
116		}
117

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