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/*
* Machine dependent defines/includes for LAME.
*
* Copyright (c) 1999 A.L. Faber
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef LAME_MACHINE_H
#define LAME_MACHINE_H
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <string.h>
#else
# ifndef HAVE_STRCHR
# define strchr index
# define strrchr rindex
# endif
char *strchr (), *strrchr ();
# ifndef HAVE_MEMCPY
# define memcpy(d, s, n) bcopy ((s), (d), (n))
# define memmove(d, s, n) bcopy ((s), (d), (n))
# endif
#endif
#if defined(__riscos__) && defined(FPA10)
# include "ymath.h"
#else
# include <math.h>
#endif
#include <ctype.h>
#ifdef HAVE_ERRNO_H
# include <errno.h>
#endif
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#if defined(macintosh)
# include <types.h>
# include <stat.h>
#else
# include <sys/types.h>
# include <sys/stat.h>
#endif
/*
* 3 different types of pow() functions:
* - table lookup
* - pow()
* - exp() on some machines this is claimed to be faster than pow()
*/
#define POW20(x) pow20[x]
//#define POW20(x) pow(2.0,((double)(x)-210)*.25)
//#define POW20(x) exp( ((double)(x)-210)*(.25*LOG2) )
#define IPOW20(x) ipow20[x]
//#define IPOW20(x) exp( -((double)(x)-210)*.1875*LOG2 )
//#define IPOW20(x) pow(2.0,-((double)(x)-210)*.1875)
#define IIPOW20_(x) iipow20_[x]
/* in case this is used without configure */
#ifndef inline
# define inline
#endif
/* compatibility */
#define INLINE inline
#if defined(_MSC_VER)
# undef inline
# define inline _inline
#elif defined(__SASC) || defined(__GNUC__) || defined(__ICC) || defined(__ECC)
/* if __GNUC__ we always want to inline, not only if the user requests it */
# undef inline
# define inline __inline
#endif
#if defined(_MSC_VER)
# pragma warning( disable : 4244 )
//# pragma warning( disable : 4305 )
#endif
/*
* FLOAT for variables which require at least 32 bits
* FLOAT8 for variables which require at least 64 bits
*
* On some machines, 64 bit will be faster than 32 bit. Also, some math
* routines require 64 bit float, so setting FLOAT=float will result in a
* lot of conversions.
*/
#if ( defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__) )
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#else
# ifndef FLOAT
typedef float FLOAT;
# ifdef FLT_MAX
# define FLOAT_MAX FLT_MAX
# else
# define FLOAT_MAX 1e99 /* approx */
# endif
# endif
#endif
#ifndef FLOAT8 /* NOTE: RH: 7/00: if FLOAT8=float, it breaks resampling and VBR code */
typedef double FLOAT8;
# ifdef DBL_MAX
# define FLOAT8_MAX DBL_MAX
# else
# define FLOAT8_MAX 1e99 /* approx */
# endif
#else
# ifdef FLT_MAX
# define FLOAT8_MAX FLT_MAX
# else
# define FLOAT8_MAX 1e99 /* approx */
# endif
#endif
/* Various integer types */
#if defined _WIN32 && !defined __CYGWIN__
typedef unsigned char u_char;
#elif defined __DECALPHA__
// do nothing
#elif defined OS_AMIGAOS
// do nothing
#elif defined __DJGPP__
typedef unsigned char u_char;
#elif !defined __GNUC__ || defined __STRICT_ANSI__
typedef unsigned char u_char;
#else
// do nothing
#endif
/* sample_t must be floating point, at least 32 bits */
typedef FLOAT sample_t;
typedef sample_t stereo_t [2];
#endif
/* end of machine.h */
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