source: src/fvec.c @ 827267b

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 827267b was 827267b, checked in by Paul Brossier <piem@piem.org>, 4 years ago

src/fvec.c: fix variable name

  • Property mode set to 100644
File size: 3.3 KB
Line 
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#include "aubio_priv.h"
22#include "fvec.h"
23
24fvec_t * new_fvec( uint_t length) {
25  fvec_t * s;
26  if ((sint_t)length <= 0) {
27    return NULL;
28  }
29  s = AUBIO_NEW(fvec_t);
30  s->length = length;
31  s->data = AUBIO_ARRAY(smpl_t, s->length);
32  return s;
33}
34
35void del_fvec(fvec_t *s) {
36  AUBIO_FREE(s->data);
37  AUBIO_FREE(s);
38}
39
40void fvec_set_sample(fvec_t *s, smpl_t data, uint_t position) {
41  s->data[position] = data;
42}
43
44smpl_t fvec_get_sample(fvec_t *s, uint_t position) {
45  return s->data[position];
46}
47
48smpl_t * fvec_get_data(fvec_t *s) {
49  return s->data;
50}
51
52/* helper functions */
53
54void fvec_print(fvec_t *s) {
55  uint_t j;
56  for (j=0; j< s->length; j++) {
57    AUBIO_MSG(AUBIO_SMPL_FMT " ", s->data[j]);
58  }
59  AUBIO_MSG("\n");
60}
61
62void fvec_set_all (fvec_t *s, smpl_t val) {
63#if !defined(HAVE_ACCELERATE) && !defined(HAVE_ATLAS)
64  uint_t j;
65  for (j=0; j< s->length; j++) {
66    s->data[j] = val;
67  }
68#elif defined(HAVE_ATLAS)
69  aubio_catlas_set(s->length, val, s->data, 1);
70#elif defined(HAVE_ACCELERATE)
71  aubio_vDSP_vfill(&val, s->data, 1, s->length);
72#endif
73}
74
75void fvec_zeros(fvec_t *s) {
76#if !defined(HAVE_MEMCPY_HACKS) && !defined(HAVE_ACCELERATE)
77  fvec_set_all (s, 0.);
78#else
79#if defined(HAVE_MEMCPY_HACKS)
80  memset(s->data, 0, s->length * sizeof(smpl_t));
81#else
82  aubio_vDSP_vclr(s->data, 1, s->length);
83#endif
84#endif
85}
86
87void fvec_ones(fvec_t *s) {
88  fvec_set_all (s, 1.);
89}
90
91void fvec_rev(fvec_t *s) {
92  uint_t j;
93  for (j=0; j< FLOOR(s->length/2); j++) {
94    ELEM_SWAP(s->data[j], s->data[s->length-1-j]);
95  }
96}
97
98void fvec_weight(fvec_t *s, fvec_t *weight) {
99#ifndef HAVE_ACCELERATE
100  uint_t j;
101  uint_t length = MIN(s->length, weight->length);
102  for (j=0; j< length; j++) {
103    s->data[j] *= weight->data[j];
104  }
105#else
106  aubio_vDSP_vmul(s->data, 1, weight->data, 1, s->data, 1, s->length);
107#endif /* HAVE_ACCELERATE */
108}
109
110void fvec_weighted_copy(fvec_t *in, fvec_t *weight, fvec_t *out) {
111#ifndef HAVE_ACCELERATE
112  uint_t j;
113  uint_t length = MIN(out->length, weight->length);
114  for (j=0; j< length; j++) {
115    out->data[j] = in->data[j] * weight->data[j];
116  }
117#else
118  aubio_vDSP_vmul(in->data, 1, weight->data, 1, out->data, 1, out->length);
119#endif /* HAVE_ACCELERATE */
120}
121
122void fvec_copy(fvec_t *s, fvec_t *t) {
123  if (s->length != t->length) {
124    AUBIO_ERR("trying to copy %d elements to %d elements \n",
125        s->length, t->length);
126    return;
127  }
128#if HAVE_NOOPT
129  uint_t j;
130  for (j=0; j< t->length; j++) {
131    t->data[j] = s->data[j];
132  }
133#elif defined(HAVE_MEMCPY_HACKS)
134  memcpy(t->data, s->data, t->length * sizeof(smpl_t));
135#elif defined(HAVE_ATLAS)
136  aubio_cblas_copy(s->length, s->data, 1, t->data, 1);
137#elif defined(HAVE_ACCELERATE)
138  aubio_vDSP_mmov(s->data, t->data, 1, s->length, 1, 1);
139#endif
140}
Note: See TracBrowser for help on using the repository browser.