#ifndef PI | |
#define PI (3.14159265358979232846) | |
#endif | |
#ifndef PI2 | |
#define PI2 (6.28318530717958465692) | |
#endif | |
#define D2R (0.01745329348) /* (2*pi)/360 */ | |
#define R2D (57.29577951) /* 360/(2*pi) */ | |
#ifndef MAX | |
#define MAX(x,y) ((x)>(y) ?(x):(y)) | |
#endif | |
#ifndef MIN | |
#define MIN(x,y) ((x)<(y) ?(x):(y)) | |
#endif | |
#ifndef ABS | |
#define ABS(x) ((x)<0 ?(-(x)):(x)) | |
#endif | |
#ifndef SGN | |
#define SGN(x) ((x)<0 ?(-1):((x)==0?(0):(1))) | |
#endif | |
#define MAX_HWORD (32767) | |
#define MIN_HWORD (-32768) | |