misc/libtremor/os.h
changeset 5170 f7e49eff3708
equal deleted inserted replaced
5169:e353ca78d28b 5170:f7e49eff3708
       
     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
       
    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 #  define LITTLE_ENDIAN 1
       
    45 #  define BYTE_ORDER LITTLE_ENDIAN
       
    46 #endif
       
    47 
       
    48 #ifdef HAVE_ALLOCA_H
       
    49 #  include <alloca.h>
       
    50 #endif
       
    51 
       
    52 #ifdef USE_MEMORY_H
       
    53 #  include <memory.h>
       
    54 #endif
       
    55 
       
    56 #ifndef min
       
    57 #  define min(x,y)  ((x)>(y)?(y):(x))
       
    58 #endif
       
    59 
       
    60 #ifndef max
       
    61 #  define max(x,y)  ((x)<(y)?(y):(x))
       
    62 #endif
       
    63 
       
    64 #endif /* _OS_H */