ref: 5a2a6c66beda0cf64fb687834118e78ed268c1b6
dir: /src/aubio_priv.h/
/*
Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
This file is part of aubio.
aubio is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
aubio 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with aubio. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file
* Private include file
*
* This file is for inclusion from _within_ the library only.
*/
#ifndef _AUBIO__PRIV_H
#define _AUBIO__PRIV_H
/*********************
*
* External includes
*
*/
#include "config.h"
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if HAVE_STDIO_H
#include <stdio.h>
#endif
/* must be included before fftw3.h */
#ifdef HAVE_COMPLEX_H
#include <complex.h>
#endif
#if defined(HAVE_FFTW3) || defined(HAVE_FFTW3F)
#include <fftw3.h>
#endif
#ifdef HAVE_MATH_H
#include <math.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h> // for CHAR_BIT, in C99 standard
#endif
#include "types.h"
#define AUBIO_UNSTABLE 1
#include "mathutils.h"
/****
*
* SYSTEM INTERFACE
*
*/
/* Memory management */
#define AUBIO_MALLOC(_n) malloc(_n)
#define AUBIO_REALLOC(_p,_n) realloc(_p,_n)
#define AUBIO_NEW(_t) (_t*)calloc(sizeof(_t), 1)
#define AUBIO_ARRAY(_t,_n) (_t*)calloc((_n)*sizeof(_t), 1)
#define AUBIO_MEMCPY(_dst,_src,_n) memcpy(_dst,_src,_n)
#define AUBIO_MEMSET(_dst,_src,_t) memset(_dst,_src,_t)
#define AUBIO_FREE(_p) free(_p)
/* file interface */
#define AUBIO_FOPEN(_f,_m) fopen(_f,_m)
#define AUBIO_FCLOSE(_f) fclose(_f)
#define AUBIO_FREAD(_p,_s,_n,_f) fread(_p,_s,_n,_f)
#define AUBIO_FSEEK(_f,_n,_set) fseek(_f,_n,_set)
/* strings */
#define AUBIO_STRLEN(_s) strlen(_s)
#define AUBIO_STRCMP(_s,_t) strcmp(_s,_t)
#define AUBIO_STRNCMP(_s,_t,_n) strncmp(_s,_t,_n)
#define AUBIO_STRCPY(_dst,_src) strcpy(_dst,_src)
#define AUBIO_STRCHR(_s,_c) strchr(_s,_c)
#ifdef strdup
#define AUBIO_STRDUP(s) strdup(s)
#else
#define AUBIO_STRDUP(s) AUBIO_STRCPY(AUBIO_MALLOC(AUBIO_STRLEN(s) + 1), s)
#endif
/* Error reporting */
typedef enum {
AUBIO_OK = 0,
AUBIO_FAIL = 1
} aubio_status;
#ifdef HAVE_C99_VARARGS_MACROS
#define AUBIO_ERR(...) fprintf(stderr, "AUBIO ERROR: " __VA_ARGS__)
#define AUBIO_MSG(...) fprintf(stdout, __VA_ARGS__)
#define AUBIO_DBG(...) fprintf(stderr, __VA_ARGS__)
#define AUBIO_WRN(...) fprintf(stderr, "AUBIO WARNING: " __VA_ARGS__)
#else
#define AUBIO_ERR(format, args...) fprintf(stderr, "AUBIO ERROR: " format , ##args)
#define AUBIO_MSG(format, args...) fprintf(stdout, format , ##args)
#define AUBIO_DBG(format, args...) fprintf(stderr, format , ##args)
#define AUBIO_WRN(format, args...) fprintf(stderr, "AUBIO WARNING: " format, ##args)
#endif
#define AUBIO_ERROR AUBIO_ERR
#define AUBIO_QUIT(_s) exit(_s)
#define AUBIO_SPRINTF sprintf
/* Libc shortcuts */
#define PI (M_PI)
#define TWO_PI (PI*2.)
/* aliases to math.h functions */
#if !HAVE_AUBIO_DOUBLE
#define EXP expf
#define COS cosf
#define SIN sinf
#define ABS fabsf
#define POW powf
#define SQRT sqrtf
#define LOG10 log10f
#define LOG logf
#define FLOOR floorf
#define CEIL ceilf
#define ATAN2 atan2f
#else
#define EXP exp
#define COS cos
#define SIN sin
#define ABS fabs
#define POW pow
#define SQRT sqrt
#define LOG10 log10
#define LOG log
#define FLOOR floor
#define CEIL ceil
#define ATAN2 atan2
#endif
#define ROUND(x) FLOOR(x+.5)
/* aliases to complex.h functions */
#if HAVE_AUBIO_DOUBLE || !defined(HAVE_COMPLEX_H) || defined(WIN32)
/* mingw32 does not know about c*f functions */
#define EXPC cexp
/** complex = CEXPC(complex) */
#define CEXPC cexp
/** sample = ARGC(complex) */
#define ARGC carg
/** sample = ABSC(complex) norm */
#define ABSC cabs
/** sample = REAL(complex) */
#define REAL creal
/** sample = IMAG(complex) */
#define IMAG cimag
#else
/** sample = EXPC(complex) */
#define EXPC cexpf
/** complex = CEXPC(complex) */
#define CEXPC cexp
/** sample = ARGC(complex) */
#define ARGC cargf
/** sample = ABSC(complex) norm */
#define ABSC cabsf
/** sample = REAL(complex) */
#define REAL crealf
/** sample = IMAG(complex) */
#define IMAG cimagf
#endif
/* handy shortcuts */
#define DB2LIN(g) (POW(10.0,(g)*0.05f))
#define LIN2DB(v) (20.0*LOG10(v))
#define SQR(_a) (_a*_a)
#define MAX(a,b) ( a > b ? a : b)
#define MIN(a,b) ( a < b ? a : b)
#define ELEM_SWAP(a,b) { register smpl_t t=(a);(a)=(b);(b)=t; }
#define VERY_SMALL_NUMBER 2.e-42 //1.e-37
/** if ABS(f) < VERY_SMALL_NUMBER, returns 1, else 0 */
#define IS_DENORMAL(f) ABS(f) < VERY_SMALL_NUMBER
/** if ABS(f) < VERY_SMALL_NUMBER, returns 0., else f */
#define KILL_DENORMAL(f) IS_DENORMAL(f) ? 0. : f
/** if f > VERY_SMALL_NUMBER, returns f, else returns VERY_SMALL_NUMBER */
#define CEIL_DENORMAL(f) f < VERY_SMALL_NUMBER ? VERY_SMALL_NUMBER : f
#define SAFE_LOG10(f) LOG10(CEIL_DENORMAL(f))
#define SAFE_LOG(f) LOG(CEIL_DENORMAL(f))
#define UNUSED __attribute__((unused))
#endif /* _AUBIO__PRIV_H */