2 Copyright (C) 2003-2015 Paul Brossier <piem@aubio.org>
4 This file is part of aubio.
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.
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.
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/>.
22 * Private include file
24 * This file is for inclusion from _within_ the library only.
27 #ifndef _AUBIO__PRIV_H
28 #define _AUBIO__PRIV_H
30 /*********************
46 /* must be included before fftw3.h */
51 #if defined(HAVE_FFTW3) || defined(HAVE_FFTW3F)
64 #include <limits.h> // for CHAR_BIT, in C99 standard
67 #ifdef HAVE_ACCELERATE
69 #include <Accelerate/Accelerate.h>
70 #elif HAVE_ATLAS_CBLAS_H
72 #include <atlas/cblas.h>
77 #ifdef HAVE_ACCELERATE
78 #include <Accelerate/Accelerate.h>
79 #define aubio_vDSP_mmov vDSP_mmov
80 #define aubio_vDSP_vmul vDSP_vmul
81 #define aubio_vDSP_vfill vDSP_vfill
82 #else /* HAVE_AUBIO_DOUBLE */
83 #define aubio_vDSP_mmov vDSP_mmovD
84 #define aubio_vDSP_vmul vDSP_vmulD
85 #define aubio_vDSP_vfill vDSP_vfillD
86 #endif /* HAVE_AUBIO_DOUBLE */
90 #if !HAVE_AUBIO_DOUBLE
91 #define aubio_catlas_set catlas_sset
92 #define aubio_cblas_copy cblas_scopy
93 #else /* HAVE_AUBIO_DOUBLE */
94 #define aubio_catlas_set catlas_dset
95 #define aubio_cblas_copy cblas_dcopy
96 #endif /* HAVE_AUBIO_DOUBLE */
98 #if !defined(HAVE_MEMCPY_HACKS) && !defined(HAVE_ACCELERATE) && !defined(HAVE_ATLAS)
106 #define AUBIO_UNSTABLE 1
108 #include "mathutils.h"
116 /* Memory management */
117 #define AUBIO_MALLOC(_n) malloc(_n)
118 #define AUBIO_REALLOC(_p,_n) realloc(_p,_n)
119 #define AUBIO_NEW(_t) (_t*)calloc(sizeof(_t), 1)
120 #define AUBIO_ARRAY(_t,_n) (_t*)calloc((_n)*sizeof(_t), 1)
121 #define AUBIO_MEMCPY(_dst,_src,_n) memcpy(_dst,_src,_n)
122 #define AUBIO_MEMSET(_dst,_src,_t) memset(_dst,_src,_t)
123 #define AUBIO_FREE(_p) free(_p)
127 #define AUBIO_FOPEN(_f,_m) fopen(_f,_m)
128 #define AUBIO_FCLOSE(_f) fclose(_f)
129 #define AUBIO_FREAD(_p,_s,_n,_f) fread(_p,_s,_n,_f)
130 #define AUBIO_FSEEK(_f,_n,_set) fseek(_f,_n,_set)
133 #define AUBIO_STRLEN(_s) strlen(_s)
134 #define AUBIO_STRCMP(_s,_t) strcmp(_s,_t)
135 #define AUBIO_STRNCMP(_s,_t,_n) strncmp(_s,_t,_n)
136 #define AUBIO_STRCPY(_dst,_src) strcpy(_dst,_src)
137 #define AUBIO_STRCHR(_s,_c) strchr(_s,_c)
139 #define AUBIO_STRDUP(s) strdup(s)
141 #define AUBIO_STRDUP(s) AUBIO_STRCPY(AUBIO_MALLOC(AUBIO_STRLEN(s) + 1), s)
145 /* Error reporting */
151 #ifdef HAVE_C99_VARARGS_MACROS
152 #define AUBIO_ERR(...) fprintf(stderr, "AUBIO ERROR: " __VA_ARGS__)
153 #define AUBIO_MSG(...) fprintf(stdout, __VA_ARGS__)
154 #define AUBIO_DBG(...) fprintf(stderr, __VA_ARGS__)
155 #define AUBIO_WRN(...) fprintf(stderr, "AUBIO WARNING: " __VA_ARGS__)
157 #define AUBIO_ERR(format, args...) fprintf(stderr, "AUBIO ERROR: " format , ##args)
158 #define AUBIO_MSG(format, args...) fprintf(stdout, format , ##args)
159 #define AUBIO_DBG(format, args...) fprintf(stderr, format , ##args)
160 #define AUBIO_WRN(format, args...) fprintf(stderr, "AUBIO WARNING: " format, ##args)
163 #define AUBIO_ERROR AUBIO_ERR
165 #define AUBIO_QUIT(_s) exit(_s)
166 #define AUBIO_SPRINTF sprintf
170 #define PI (3.14159265358979323846)
174 #define TWO_PI (PI*2.)
176 /* aliases to math.h functions */
177 #if !HAVE_AUBIO_DOUBLE
202 #define ROUND(x) FLOOR(x+.5)
204 /* aliases to complex.h functions */
205 #if HAVE_AUBIO_DOUBLE || !defined(HAVE_COMPLEX_H) || defined(WIN32)
206 /* mingw32 does not know about c*f functions */
208 /** complex = CEXPC(complex) */
210 /** sample = ARGC(complex) */
212 /** sample = ABSC(complex) norm */
214 /** sample = REAL(complex) */
216 /** sample = IMAG(complex) */
219 /** sample = EXPC(complex) */
221 /** complex = CEXPC(complex) */
223 /** sample = ARGC(complex) */
225 /** sample = ABSC(complex) norm */
227 /** sample = REAL(complex) */
229 /** sample = IMAG(complex) */
233 /* handy shortcuts */
234 #define DB2LIN(g) (POW(10.0,(g)*0.05f))
235 #define LIN2DB(v) (20.0*LOG10(v))
236 #define SQR(_a) ((_a)*(_a))
239 #define MAX(a,b) (((a)>(b))?(a):(b))
242 #define MIN(a,b) (((a)<(b))?(a):(b))
245 #define ELEM_SWAP(a,b) { register smpl_t t=(a);(a)=(b);(b)=t; }
247 #define VERY_SMALL_NUMBER 2.e-42 //1.e-37
249 /** if ABS(f) < VERY_SMALL_NUMBER, returns 1, else 0 */
250 #define IS_DENORMAL(f) ABS(f) < VERY_SMALL_NUMBER
252 /** if ABS(f) < VERY_SMALL_NUMBER, returns 0., else f */
253 #define KILL_DENORMAL(f) IS_DENORMAL(f) ? 0. : f
255 /** if f > VERY_SMALL_NUMBER, returns f, else returns VERY_SMALL_NUMBER */
256 #define CEIL_DENORMAL(f) f < VERY_SMALL_NUMBER ? VERY_SMALL_NUMBER : f
258 #define SAFE_LOG10(f) LOG10(CEIL_DENORMAL(f))
259 #define SAFE_LOG(f) LOG(CEIL_DENORMAL(f))
261 /** silence unused parameter warning by adding an attribute */
262 #if defined(__GNUC__)
263 #define UNUSED __attribute__((unused))
268 #endif /* _AUBIO__PRIV_H */