source: src/aubio_priv.h @ 3ff50e5

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 3ff50e5 was 3ff50e5, checked in by Paul Brossier <piem@piem.org>, 5 years ago

src/aubio_priv.h: define PI if M_PI isnt

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File size: 5.7 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#include "config.h"
37
38#if HAVE_STDLIB_H
39#include <stdlib.h>
40#endif
41
42#if HAVE_STDIO_H
43#include <stdio.h>
44#endif
45
46/* must be included before fftw3.h */
47#ifdef HAVE_COMPLEX_H
48#include <complex.h>
49#endif
50
51#if defined(HAVE_FFTW3) || defined(HAVE_FFTW3F)
52#include <fftw3.h>
53#endif
54
55#ifdef HAVE_MATH_H
56#include <math.h>
57#endif
58
59#ifdef HAVE_STRING_H
60#include <string.h>
61#endif
62
63#ifdef HAVE_LIMITS_H
64#include <limits.h> // for CHAR_BIT, in C99 standard
65#endif
66
67#include "types.h"
68
69#define AUBIO_UNSTABLE 1
70
71#include "mathutils.h"
72
73/****
74 *
75 * SYSTEM INTERFACE
76 *
77 */
78
79/* Memory management */
80#define AUBIO_MALLOC(_n)             malloc(_n)
81#define AUBIO_REALLOC(_p,_n)         realloc(_p,_n)
82#define AUBIO_NEW(_t)                (_t*)calloc(sizeof(_t), 1)
83#define AUBIO_ARRAY(_t,_n)           (_t*)calloc((_n)*sizeof(_t), 1)
84#define AUBIO_MEMCPY(_dst,_src,_n)   memcpy(_dst,_src,_n)
85#define AUBIO_MEMSET(_dst,_src,_t)   memset(_dst,_src,_t)
86#define AUBIO_FREE(_p)               free(_p)
87
88
89/* file interface */
90#define AUBIO_FOPEN(_f,_m)           fopen(_f,_m)
91#define AUBIO_FCLOSE(_f)             fclose(_f)
92#define AUBIO_FREAD(_p,_s,_n,_f)     fread(_p,_s,_n,_f)
93#define AUBIO_FSEEK(_f,_n,_set)      fseek(_f,_n,_set)
94
95/* strings */
96#define AUBIO_STRLEN(_s)             strlen(_s)
97#define AUBIO_STRCMP(_s,_t)          strcmp(_s,_t)
98#define AUBIO_STRNCMP(_s,_t,_n)      strncmp(_s,_t,_n)
99#define AUBIO_STRCPY(_dst,_src)      strcpy(_dst,_src)
100#define AUBIO_STRCHR(_s,_c)          strchr(_s,_c)
101#ifdef strdup
102#define AUBIO_STRDUP(s)              strdup(s)
103#else
104#define AUBIO_STRDUP(s)              AUBIO_STRCPY(AUBIO_MALLOC(AUBIO_STRLEN(s) + 1), s)
105#endif
106
107
108/* Error reporting */
109typedef enum {
110  AUBIO_OK = 0,
111  AUBIO_FAIL = 1
112} aubio_status;
113
114#ifdef HAVE_C99_VARARGS_MACROS
115#define AUBIO_ERR(...)               fprintf(stderr, "AUBIO ERROR: " __VA_ARGS__)
116#define AUBIO_MSG(...)               fprintf(stdout, __VA_ARGS__)
117#define AUBIO_DBG(...)               fprintf(stderr, __VA_ARGS__)
118#define AUBIO_WRN(...)               fprintf(stderr, "AUBIO WARNING: " __VA_ARGS__)
119#else
120#define AUBIO_ERR(format, args...)   fprintf(stderr, "AUBIO ERROR: " format , ##args)
121#define AUBIO_MSG(format, args...)   fprintf(stdout, format , ##args)
122#define AUBIO_DBG(format, args...)   fprintf(stderr, format , ##args)
123#define AUBIO_WRN(format, args...)   fprintf(stderr, "AUBIO WARNING: " format, ##args)
124#endif
125
126#define AUBIO_ERROR   AUBIO_ERR
127
128#define AUBIO_QUIT(_s)               exit(_s)
129#define AUBIO_SPRINTF                sprintf
130
131/* pi and 2*pi */
132#ifndef M_PI
133#define PI         (3.14159265358979323846)
134#else
135#define PI         (M_PI)
136#endif
137#define TWO_PI     (PI*2.)
138
139/* aliases to math.h functions */
140#if !HAVE_AUBIO_DOUBLE
141#define EXP        expf
142#define COS        cosf
143#define SIN        sinf
144#define ABS        fabsf
145#define POW        powf
146#define SQRT       sqrtf
147#define LOG10      log10f
148#define LOG        logf
149#define FLOOR      floorf
150#define CEIL       ceilf
151#define ATAN2      atan2f
152#else
153#define EXP        exp
154#define COS        cos
155#define SIN        sin
156#define ABS        fabs
157#define POW        pow
158#define SQRT       sqrt
159#define LOG10      log10
160#define LOG        log
161#define FLOOR      floor
162#define CEIL       ceil
163#define ATAN2      atan2
164#endif
165#define ROUND(x)   FLOOR(x+.5)
166
167/* aliases to complex.h functions */
168#if HAVE_AUBIO_DOUBLE || !defined(HAVE_COMPLEX_H) || defined(WIN32)
169/* mingw32 does not know about c*f functions */
170#define EXPC      cexp
171/** complex = CEXPC(complex) */
172#define CEXPC     cexp
173/** sample = ARGC(complex) */
174#define ARGC      carg
175/** sample = ABSC(complex) norm */
176#define ABSC      cabs
177/** sample = REAL(complex) */
178#define REAL      creal
179/** sample = IMAG(complex) */
180#define IMAG      cimag
181#else
182/** sample = EXPC(complex) */
183#define EXPC      cexpf
184/** complex = CEXPC(complex) */
185#define CEXPC     cexp
186/** sample = ARGC(complex) */
187#define ARGC      cargf
188/** sample = ABSC(complex) norm */
189#define ABSC      cabsf
190/** sample = REAL(complex) */
191#define REAL      crealf
192/** sample = IMAG(complex) */
193#define IMAG      cimagf
194#endif
195
196/* handy shortcuts */
197#define DB2LIN(g) (POW(10.0,(g)*0.05f))
198#define LIN2DB(v) (20.0*LOG10(v))
199#define SQR(_a)   (_a*_a)
200
201#define MAX(a,b)  ( a > b ? a : b)
202#define MIN(a,b)  ( a < b ? a : b)
203
204#define ELEM_SWAP(a,b) { register smpl_t t=(a);(a)=(b);(b)=t; }
205
206#define VERY_SMALL_NUMBER 2.e-42 //1.e-37
207
208/** if ABS(f) < VERY_SMALL_NUMBER, returns 1, else 0 */
209#define IS_DENORMAL(f) ABS(f) < VERY_SMALL_NUMBER
210
211/** if ABS(f) < VERY_SMALL_NUMBER, returns 0., else f */
212#define KILL_DENORMAL(f)  IS_DENORMAL(f) ? 0. : f
213
214/** if f > VERY_SMALL_NUMBER, returns f, else returns VERY_SMALL_NUMBER */
215#define CEIL_DENORMAL(f)  f < VERY_SMALL_NUMBER ? VERY_SMALL_NUMBER : f
216
217#define SAFE_LOG10(f) LOG10(CEIL_DENORMAL(f))
218#define SAFE_LOG(f)   LOG(CEIL_DENORMAL(f))
219
220#define UNUSED __attribute__((unused))
221
222#endif /* _AUBIO__PRIV_H */
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