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root/radiance/ray/src/common/dircode.c
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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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