source: src/aubio_priv.h @ 64c3658

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 64c3658 was 10a5413, checked in by Paul Brossier <piem@piem.org>, 15 years ago

src/mathutils.c: add aubio_is_power_of_two and aubio_next_power_of_two

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File size: 5.3 KB
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1/*
2  Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
3
4  This file is part of aubio.
5
6  aubio is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10
11  aubio is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15
16  You should have received a copy of the GNU General Public License
17  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
18
19*/
20
21/** @file
22 * Private include file
23 *
24 * This file is for inclusion from _within_ the library only.
25 */
26
27#ifndef _AUBIO_PRIV_H
28#define _AUBIO_PRIV_H
29
30/*********************
31 *
32 * External includes
33 *
34 */
35
36#if 1 //HAVE_CONFIG_H
37#include "config.h"
38#endif
39
40#if HAVE_STDLIB_H
41#include <stdlib.h>
42#endif
43
44#if HAVE_STDIO_H
45#include <stdio.h>
46#endif
47
48/* must be included before fftw3.h */
49#if HAVE_COMPLEX_H
50#include <complex.h>
51#endif
52
53#if HAVE_FFTW3 || HAVE_FFTW3F
54#include <fftw3.h>
55#endif
56
57#if HAVE_MATH_H
58#include <math.h>
59#endif
60
61#if HAVE_STRING_H
62#include <string.h>
63#endif
64
65#if HAVE_LIMITS_H
66#include <limits.h> // for CHAR_BIT, in C99 standard
67#endif
68
69#include "types.h"
70
71/****
72 *
73 * SYSTEM INTERFACE
74 *
75 */
76
77/* Memory management */
78#define AUBIO_MALLOC(_n)             malloc(_n)
79#define AUBIO_REALLOC(_p,_n)         realloc(_p,_n)
80#define AUBIO_NEW(_t)                (_t*)malloc(sizeof(_t))
81#define AUBIO_ARRAY(_t,_n)           (_t*)malloc((_n)*sizeof(_t))
82#define AUBIO_MEMCPY(_dst,_src,_n)   memcpy(_dst,_src,_n)
83#define AUBIO_MEMSET(_dst,_src,_t)   memset(_dst,_src,_t)
84#define AUBIO_FREE(_p)               free(_p)
85
86
87/* file interface */
88#define AUBIO_FOPEN(_f,_m)           fopen(_f,_m)
89#define AUBIO_FCLOSE(_f)             fclose(_f)
90#define AUBIO_FREAD(_p,_s,_n,_f)     fread(_p,_s,_n,_f)
91#define AUBIO_FSEEK(_f,_n,_set)      fseek(_f,_n,_set)
92
93/* strings */
94#define AUBIO_STRLEN(_s)             strlen(_s)
95#define AUBIO_STRCMP(_s,_t)          strcmp(_s,_t)
96#define AUBIO_STRNCMP(_s,_t,_n)      strncmp(_s,_t,_n)
97#define AUBIO_STRCPY(_dst,_src)      strcpy(_dst,_src)
98#define AUBIO_STRCHR(_s,_c)          strchr(_s,_c)
99#ifdef strdup
100#define AUBIO_STRDUP(s)              strdup(s)
101#else
102#define AUBIO_STRDUP(s)              AUBIO_STRCPY(AUBIO_MALLOC(AUBIO_STRLEN(s) + 1), s)
103#endif
104
105
106/* Error reporting */
107typedef enum {
108  AUBIO_OK = 0,
109  AUBIO_FAIL = -1
110} aubio_status;
111
112#ifdef HAVE_C99_VARARGS_MACROS
113#define AUBIO_ERR(...)               fprintf(stderr, "AUBIO ERROR: " __VA_ARGS__)
114#define AUBIO_MSG(...)               fprintf(stdout, __VA_ARGS__)
115#define AUBIO_DBG(...)               fprintf(stderr, __VA_ARGS__)
116#define AUBIO_WRN(...)               fprintf(stderr, "AUBIO WARNING: " __VA_ARGS__)
117#else
118#define AUBIO_ERR(format, args...)   fprintf(stderr, "AUBIO ERROR: " format , ##args)
119#define AUBIO_MSG(format, args...)   fprintf(stdout, format , ##args)
120#define AUBIO_DBG(format, args...)   fprintf(stderr, format , ##args)
121#define AUBIO_WRN(...)               fprintf(stderr, "AUBIO WARNING: " format, ##args)
122#endif
123
124#define AUBIO_ERROR   AUBIO_ERR
125
126#define AUBIO_QUIT(_s)               exit(_s)
127#define AUBIO_SPRINTF                sprintf
128
129/* Libc shortcuts */
130#define PI         (M_PI)
131#define TWO_PI     (PI*2.)
132
133/* aliases to math.h functions */
134#if !HAVE_AUBIO_DOUBLE
135#define EXP        expf
136#define COS        cosf
137#define SIN        sinf
138#define ABS        fabsf
139#define POW        powf
140#define SQRT       sqrtf
141#define LOG10      log10f
142#define LOG        logf
143#define FLOOR      floorf
144#define CEIL       ceilf
145#else
146#define EXP        exp
147#define COS        cos
148#define SIN        sin
149#define ABS        fabs
150#define POW        pow
151#define SQRT       sqrt
152#define LOG10      log10
153#define LOG        log
154#define FLOOR      floor
155#define CEIL       ceil
156#endif
157#define ROUND(x)   FLOOR(x+.5)
158
159/* aliases to complex.h functions */
160#if HAVE_AUBIO_DOUBLE || !defined(HAVE_COMPLEX_H) || defined(WIN32)
161/* mingw32 does not know about c*f functions */
162#define EXPC      cexp
163/** complex = CEXPC(complex) */
164#define CEXPC     cexp
165/** sample = ARGC(complex) */
166#define ARGC      carg
167/** sample = ABSC(complex) norm */
168#define ABSC      cabs
169/** sample = REAL(complex) */
170#define REAL      creal
171/** sample = IMAG(complex) */
172#define IMAG      cimag
173#else
174/** sample = EXPC(complex) */
175#define EXPC      cexpf
176/** complex = CEXPC(complex) */
177#define CEXPC     cexp
178/** sample = ARGC(complex) */
179#define ARGC      cargf
180/** sample = ABSC(complex) norm */
181#define ABSC      cabsf
182/** sample = REAL(complex) */
183#define REAL      crealf
184/** sample = IMAG(complex) */
185#define IMAG      cimagf
186#endif
187
188/* handy shortcuts */
189#define DB2LIN(g) (POW(10.0,(g)*0.05f))
190#define LIN2DB(v) (20.0*LOG10(v))
191#define SQR(_a)   (_a*_a)
192
193#define MAX(a,b)  ( a > b ? a : b)
194#define MIN(a,b)  ( a < b ? a : b)
195
196#define ELEM_SWAP(a,b) { register smpl_t t=(a);(a)=(b);(b)=t; }
197
198#define VERY_SMALL_NUMBER 2.e-42 //1.e-37
199
200#define IS_DENORMAL(f) f < VERY_SMALL_NUMBER
201
202#define KILL_DENORMAL(f)  IS_DENORMAL(f) ? 0. : f
203#define CEIL_DENORMAL(f)  IS_DENORMAL(f) ? VERY_SMALL_NUMBER : f
204
205#define SAFE_LOG10(f) LOG10(CEIL_DENORMAL(f))
206#define SAFE_LOG(f)   LOG(CEIL_DENORMAL(f))
207
208#define UNUSED __attribute__((unused))
209
210#endif/*_AUBIO_PRIV_H*/
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