[ViewVC] Diff of: Development/ray/src/common/dircode.c

Comparing ray/src/common/dircode.c (file contents):
Revision 2.4 by schorsch, Sat Jun 7 12:50:20 2003 UTC vs.
Revision 2.5 by greg, Fri Jun 20 00:25:49 2003 UTC

#	Line 2 \| Line 2
2		static const char RCSid[] = "$Id$";
3		#endif
4		/*
5	<	* Compute a 4-byte direction code (int4 type defined in standard.h).
5	>	* Compute a 4-byte direction code (int32 type defined in standard.h).
6		*
7		* Mean accuracy is 0.0022 degrees, with a maximum error of 0.0058 degrees.
8		*/
#	Line 19 \| Line 19 \| static const char RCSid[] = "$Id$";
19		#define F2SFT 18
20		#define FMASK 0x1fff
21
22	<	int4
22	>	int32
23		encodedir(dv) /* encode a normalized direction vector */
24		FVECT dv;
25		{
26	<	register int4 dc = 0;
26	>	register int32 dc = 0;
27		int cd[3], cm;
28		register int i;
29
#	Line 53 \| Line 53 \| FVECT dv;
53		void
54		decodedir(dv, dc) /* decode a normalized direction vector */
55		register FVECT dv; /* returned */
56	<	register int4 dc;
56	>	register int32 dc;
57		{
58		double d1, d2, der;
59
#	Line 77 \| Line 77 \| register int4 dc;
77
78		double
79		dir2diff(dc1, dc2) /* approx. radians^2 between directions */
80	<	int4 dc1, dc2;
80	>	int32 dc1, dc2;
81		{
82		FVECT v1, v2;
83
#	Line 90 \| Line 90 \| int4 dc1, dc2;
90
91		double
92		fdir2diff(dc1, v2) /* approx. radians^2 between directions */
93	<	int4 dc1;
93	>	int32 dc1;
94		register FVECT v2;
95		{
96		FVECT v1;

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