beetle-pce-fast-libretro/mednafen/tremor/os.h
2018-04-24 06:44:46 +02:00

45 lines
1.4 KiB
C

#ifndef _OS_H
#define _OS_H
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
* *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
* *
********************************************************************
function: #ifdef jail to whip a few platforms into the UNIX ideal.
********************************************************************/
#include <stdint.h>
#include <math.h>
#include <retro_inline.h>
#ifndef M_PI
# define M_PI (3.1415926536f)
#endif
#ifdef _WIN32
# include <malloc.h>
# define rint(x) (floor((x)+0.5f))
# define NO_FLOAT_MATH_LIB
# define FAST_HYPOT(a, b) sqrt((a)*(a) + (b)*(b))
#endif
#ifdef HAVE_ALLOCA_H
# include <alloca.h>
#endif
#ifdef USE_MEMORY_H
# include <memory.h>
#endif
#endif /* _OS_H */