| Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | #ifndef PI |
| 2 | #define PI (3.14159265358979232846) |
| 3 | #endif |
| 4 | |
| 5 | #ifndef PI2 |
| 6 | #define PI2 (6.28318530717958465692) |
| 7 | #endif |
| 8 | |
| 9 | #define D2R (0.01745329348) /* (2*pi)/360 */ |
| 10 | #define R2D (57.29577951) /* 360/(2*pi) */ |
| 11 | |
| 12 | #ifndef MAX |
| 13 | #define MAX(x,y) ((x)>(y) ?(x):(y)) |
| 14 | #endif |
| 15 | #ifndef MIN |
| 16 | #define MIN(x,y) ((x)<(y) ?(x):(y)) |
| 17 | #endif |
| 18 | |
| 19 | #ifndef ABS |
| 20 | #define ABS(x) ((x)<0 ?(-(x)):(x)) |
| 21 | #endif |
| 22 | |
| 23 | #ifndef SGN |
| 24 | #define SGN(x) ((x)<0 ?(-1):((x)==0?(0):(1))) |
| 25 | #endif |
| 26 | |
| 27 | #define MAX_HWORD (32767) |
| 28 | #define MIN_HWORD (-32768) |
| 29 | |