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Comparing ray/src/common/rtmath.h (file contents):
Revision 3.2 by schorsch, Sat Jul 12 09:56:24 2003 UTC vs.
Revision 3.13 by greg, Fri Dec 3 16:50:05 2021 UTC

# Line 5 | Line 5
5  
6   #ifndef _RAD_RTMATH_H_
7   #define _RAD_RTMATH_H_
8 – #ifdef __cplusplus
9 – extern "C" {
10 – #endif
8  
9   #include  <math.h>
10  
11 < #include  "tifftypes.h"
15 <
11 > #include  "tiff.h"              /* needed for int32, etc. */
12   #include  "mat4.h"
13  
14 + #ifdef __cplusplus
15 + extern "C" {
16 + #endif
17                                  /* regular transformation */
18   typedef struct {
19          MAT4  xfm;                              /* transform matrix */
# Line 33 | Line 32 | typedef struct {
32   #define  PI             3.14159265358979323846
33   #endif
34   #endif
35 +                                        /* defined in tcos.c */
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
# Line 43 | Line 45 | typedef struct {
45   #define  tsin(x)                tcos((x)-(PI/2.))
46   #define  ttan(x)                (tsin(x)/tcos(x))
47   #endif
48 <                                        /* defined in tcos.c */
49 < extern double   tcos(double x);
48 >
49 >                                        /* defined in disk2square.c */
50 > extern void     SDsquare2disk(double ds[2], double seedx, double seedy);
51 > extern void     SDdisk2square(double sq[2], double diskx, double disky);
52 >
53                                          /* defined in xf.c */
54   extern int      xf(XF *ret, int ac, char *av[]);
55   extern int      invxf(XF *ret, int ac, char *av[]);

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