apps/codecs/libtremor/os.h

   1 #ifndef _OS_H
   2 #define _OS_H
   3 /********************************************************************
   4  *                                                                  *
   5  * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE.   *
   6  *                                                                  *
   7  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
   8  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
   9  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  10  *                                                                  *
  11  * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002    *
  12  * BY THE Xiph.Org FOUNDATION http://www.xiph.org/                  *
  13  *                                                                  *
  14  ********************************************************************
  15
  16  function: #ifdef jail to whip a few platforms into the UNIX ideal.
  17
  18  ********************************************************************/
  19
  20 #include <math.h>
  21 #include "os_types.h"
  22
  23 #ifndef _V_IFDEFJAIL_H_
  24 #  define _V_IFDEFJAIL_H_
  25
  26 #  ifdef __GNUC__
  27 #    define STIN static inline
  28 #  elif _WIN32
  29 #    define STIN static __inline__
  30 #  endif
  31 #else
  32 #  define STIN static inline
  33 #endif
  34
  35 #ifndef M_PI
  36 #  define M_PI (3.1415926536f)
  37 #endif
  38
  39 #ifdef _WIN32
  40 #  include <malloc.h>
  41 #  define rint(x)   (floor((x)+0.5f))
  42 #  define NO_FLOAT_MATH_LIB
  43 #  define FAST_HYPOT(a, b) sqrt((a)*(a) + (b)*(b))
  44 #endif
  45
  46 #ifdef HAVE_ALLOCA_H
  47 #  include <alloca.h>
  48 #endif
  49
  50 #ifdef USE_MEMORY_H
  51 #  include <memory.h>
  52 #endif
  53
  54 #ifndef min
  55 #  define min(x,y)  ((x)>(y)?(y):(x))
  56 #endif
  57
  58 #ifndef max
  59 #  define max(x,y)  ((x)<(y)?(y):(x))
  60 #endif
  61
  62 #endif /* _OS_H */