ref: 7138ee9632e711d1aad9400ed2c5df0e4bf90c72
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 int isNaNf(float f); #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 exp2f(x) (exp((x) * (ln2c ? ln2c : (ln2c = log(2.0))))) int qctz(unsigned); float DotProduct(const float v1[3], const float v2[3]);