/*
- Copyright (C) 2003-2007 Paul Brossier
-
- This program 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 2 of the License, or
- (at your option) any later version.
-
- This program 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
+ 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
* This file is for inclusion from _within_ the library only.
*/
-#ifndef _AUBIO_PRIV_H
-#define _AUBIO_PRIV_H
+#ifndef _AUBIO__PRIV_H
+#define _AUBIO__PRIV_H
/*********************
*
*
*/
-#if HAVE_CONFIG_H
#include "config.h"
-#endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
/* must be included before fftw3.h */
-#if HAVE_COMPLEX_H
+#ifdef HAVE_COMPLEX_H
#include <complex.h>
#endif
-#if HAVE_FFTW3_H
+#if defined(HAVE_FFTW3) || defined(HAVE_FFTW3F)
#include <fftw3.h>
#endif
-#if HAVE_MATH_H
+#ifdef HAVE_MATH_H
#include <math.h>
#endif
-#if HAVE_STRINGS_H
+#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*)malloc(sizeof(_t))
-#define AUBIO_ARRAY(_t,_n) (_t*)malloc((_n)*sizeof(_t))
+#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)
/* Error reporting */
typedef enum {
AUBIO_OK = 0,
- AUBIO_FAIL = -1
+ AUBIO_FAIL = 1
} aubio_status;
#ifdef HAVE_C99_VARARGS_MACROS
-#define AUBIO_ERR(...) fprintf(stderr,__VA_ARGS__)
-#define AUBIO_MSG(...) fprintf(stdout,__VA_ARGS__)
-#define AUBIO_DBG(...) fprintf(stderr,__VA_ARGS__)
+#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, format , ##args)
+#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
#define TWO_PI (PI*2.)
/* aliases to math.h functions */
+#if !HAVE_AUBIO_DOUBLE
#define EXP expf
#define COS cosf
#define SIN sinf
#define LOG10 log10f
#define LOG logf
#define FLOOR floorf
-#define TRUNC truncf
+#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 !defined(HAVE_COMPLEX_H) || defined(WIN32)
+#if HAVE_AUBIO_DOUBLE || !defined(HAVE_COMPLEX_H) || defined(WIN32)
/* mingw32 does not know about c*f functions */
#define EXPC cexp
/** complex = CEXPC(complex) */
#endif
/* handy shortcuts */
-#define DB2LIN(g) (POW(10.0f,(g)*0.05f))
-#define LIN2DB(v) (20.0f*LOG10(v))
+#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*/
+#endif /* _AUBIO__PRIV_H */
projects / aubio.git / blobdiff