ref: eb498d4e7706fa6f99d364ee96f8da2533d99a21
dir: /plan9/platform.h/
#include <u.h>
#include <libc.h>
#include <stdio.h>
#include <ctype.h>
#define RAND_MAX ((2<<15)-1)
#define acosf acos
#define asinf asin
#define atan2f atan2
#define atanf atan
#define ceilf ceil
#define cosf cos
#define floorf floor
#define sinf sin
#define sqrtf sqrt
#define tanf tan
#define __inline__ inline
#ifdef __mips__
#define QUAKE_BIG_ENDIAN
#else
# ifdef __power__
# define QUAKE_BIG_ENDIAN
# else
# ifdef __power64__
# define QUAKE_BIG_ENDIAN
# else
# ifdef __sparc__
# define QUAKE_BIG_ENDIAN
# else
# ifdef __sparc64__
# else
# define QUAKE_LITTLE_ENDIAN
# endif
# endif
# endif
# endif
#endif
typedef enum {false, true} bool;
static double ln2c;
#define exp2(x) (exp((x) * (ln2c ? ln2c : (ln2c = log(2.0)))))