mirror of
https://github.com/cookiengineer/audacity
synced 2025-10-31 14:13:50 +01:00
5e0efd1a25
Using LAME 3.10 Windows project files substantially changed from original, and included into audacity solution.
190 lines
4.4 KiB
C
190 lines
4.4 KiB
C
/*
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* Machine dependent defines/includes for LAME.
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*
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* Copyright (c) 1999 A.L. Faber
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef LAME_MACHINE_H
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#define LAME_MACHINE_H
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#include "version.h"
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#include <stdio.h>
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#include <assert.h>
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <string.h>
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#else
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# ifndef HAVE_STRCHR
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# define strchr index
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# define strrchr rindex
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# endif
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char *strchr(), *strrchr();
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# ifndef HAVE_MEMCPY
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# define memcpy(d, s, n) bcopy ((s), (d), (n))
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# define memmove(d, s, n) bcopy ((s), (d), (n))
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# endif
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#endif
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#if defined(__riscos__) && defined(FPA10)
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# include "ymath.h"
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#else
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# include <math.h>
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#endif
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#include <limits.h>
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#include <ctype.h>
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#ifdef HAVE_ERRNO_H
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# include <errno.h>
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#endif
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#ifdef HAVE_FCNTL_H
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# include <fcntl.h>
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#endif
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#if defined(macintosh)
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# include <types.h>
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# include <stat.h>
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#else
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# include <sys/types.h>
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# include <sys/stat.h>
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#endif
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#ifdef HAVE_INTTYPES_H
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# include <inttypes.h>
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#else
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# ifdef HAVE_STDINT_H
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# include <stdint.h>
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# endif
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#endif
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif
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/*
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* 3 different types of pow() functions:
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* - table lookup
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* - pow()
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* - exp() on some machines this is claimed to be faster than pow()
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*/
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#define POW20(x) (assert(0 <= (x+Q_MAX2) && x < Q_MAX), pow20[x+Q_MAX2])
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/*#define POW20(x) pow(2.0,((double)(x)-210)*.25) */
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/*#define POW20(x) exp( ((double)(x)-210)*(.25*LOG2) ) */
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#define IPOW20(x) (assert(0 <= x && x < Q_MAX), ipow20[x])
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/*#define IPOW20(x) exp( -((double)(x)-210)*.1875*LOG2 ) */
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/*#define IPOW20(x) pow(2.0,-((double)(x)-210)*.1875) */
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/* in case this is used without configure */
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#ifndef inline
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# define inline
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#endif
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#if defined(_MSC_VER)
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# undef inline
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# define inline _inline
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#elif defined(__SASC) || defined(__GNUC__) || defined(__ICC) || defined(__ECC)
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/* if __GNUC__ we always want to inline, not only if the user requests it */
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# undef inline
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# define inline __inline
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#endif
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#if defined(_MSC_VER)
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# pragma warning( disable : 4244 )
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/*# pragma warning( disable : 4305 ) */
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#endif
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/*
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* FLOAT for variables which require at least 32 bits
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* FLOAT8 for variables which require at least 64 bits
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*
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* On some machines, 64 bit will be faster than 32 bit. Also, some math
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* routines require 64 bit float, so setting FLOAT=float will result in a
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* lot of conversions.
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*/
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#if ( defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__) )
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# include <float.h>
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# define FLOAT_MAX FLT_MAX
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#else
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# ifndef FLOAT
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typedef float FLOAT;
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# ifdef FLT_MAX
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# define FLOAT_MAX FLT_MAX
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# else
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# define FLOAT_MAX 1e37 /* approx */
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# endif
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# endif
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#endif
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#ifndef FLOAT8
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typedef double FLOAT8;
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# ifdef DBL_MAX
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# define FLOAT8_MAX DBL_MAX
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# else
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# define FLOAT8_MAX 1e99 /* approx */
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# endif
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#else
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# ifdef FLT_MAX
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# define FLOAT8_MAX FLT_MAX
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# else
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# define FLOAT8_MAX 1e37 /* approx */
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# endif
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#endif
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/* sample_t must be floating point, at least 32 bits */
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typedef FLOAT sample_t;
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#define dimension_of(array) (sizeof(array)/sizeof(array[0]))
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#define beyond(array) (array+dimension_of(array))
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#define compiletime_assert(expression) enum{static_assert_##FILE##_##LINE = 1/((expression)?1:0)}
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#define lame_calloc(TYPE, COUNT) ((TYPE*)calloc(COUNT, sizeof(TYPE)))
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#define multiple_of(CHUNK, COUNT) (\
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( (COUNT) < 1 || (CHUNK) < 1 || (COUNT) % (CHUNK) == 0 ) \
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? (COUNT) \
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: ((COUNT) + (CHUNK) - (COUNT) % (CHUNK)) \
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)
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#if 1
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#define EQ(a,b) (\
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(fabs(a) > fabs(b)) \
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? (fabs((a)-(b)) <= (fabs(a) * 1e-6f)) \
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: (fabs((a)-(b)) <= (fabs(b) * 1e-6f)))
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#else
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#define EQ(a,b) (fabs((a)-(b))<1E-37)
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#endif
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#define NEQ(a,b) (!EQ(a,b))
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#ifdef _MSC_VER
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# if _MSC_VER < 1400
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# define fabsf fabs
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# define powf pow
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# define log10f log10
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# endif
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#endif
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#endif
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/* end of machine.h */
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