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 */