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root/radiance/ray/src/common/rtmath.h
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Comparing ray/src/common/rtmath.h (file contents):
Revision 3.6 by greg, Fri Feb 8 16:10:07 2013 UTC vs.
Revision 3.14 by greg, Fri Dec 3 16:51:44 2021 UTC

# Line 14 | Line 14
14   #ifdef __cplusplus
15   extern "C" {
16   #endif
17 –
17                                  /* regular transformation */
18   typedef struct {
19          MAT4  xfm;                              /* transform matrix */
# Line 37 | Line 36 | typedef struct {
36   extern double   tcos(double x);
37   extern double   atan2a(double y, double x);
38  
39 < #ifdef  FASTMATH
39 > #ifdef  __FAST_MATH__
40   #define  tcos                   cos
41   #define  tsin                   sin
42   #define  ttan                   tan
43   #else
44 <                                        /* table-based cosine approximation */
44 >                                        /* table-based approx in tcos.c */
45   #define  tsin(x)                tcos((x)-(PI/2.))
46   #define  ttan(x)                (tsin(x)/tcos(x))
47   #endif
# Line 57 | Line 56 | extern int32   encodedir(FVECT dv);
56   extern void     decodedir(FVECT dv, int32 dc);
57   extern double   dir2diff(int32 dc1, int32 dc2);
58   extern double   fdir2diff(int32 dc1, FVECT v2);
59 +                                        /* defined in disk2square.c */
60 + extern void     SDsquare2disk(double ds[2], double seedx, double seedy);
61 + extern void     SDdisk2square(double sq[2], double diskx, double disky);
62  
63   #ifdef __cplusplus
64   }

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