source: src/lvec.c @ 923a7a8

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 923a7a8 was 923a7a8, checked in by Paul Brossier <piem@piem.org>, 7 years ago

src/{fvec,fmat}.c: use memcpy and memset to optimise when possible, add option to disable

  • Property mode set to 100644
File size: 1.7 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 "lvec.h"
23
24lvec_t * new_lvec( uint_t length) {
25  lvec_t * s = AUBIO_NEW(lvec_t);
26  uint_t j;
27  s->length = length;
28  s->data = AUBIO_ARRAY(lsmp_t, s->length);
29  for (j=0; j< s->length; j++) {
30    s->data[j]=0.;
31  }
32  return s;
33}
34
35void del_lvec(lvec_t *s) {
36  AUBIO_FREE(s->data);
37  AUBIO_FREE(s);
38}
39
40void lvec_write_sample(lvec_t *s, lsmp_t data, uint_t position) {
41  s->data[position] = data;
42}
43lsmp_t lvec_read_sample(lvec_t *s, uint_t position) {
44  return s->data[position];
45}
46
47lsmp_t * lvec_get_data(lvec_t *s) {
48  return s->data;
49}
50
51/* helper functions */
52
53void lvec_print(lvec_t *s) {
54  uint_t j;
55  for (j=0; j< s->length; j++) {
56    AUBIO_MSG(AUBIO_LSMP_FMT " ", s->data[j]);
57  }
58  AUBIO_MSG("\n");
59}
60
61void lvec_set(lvec_t *s, smpl_t val) {
62  uint_t j;
63  for (j=0; j< s->length; j++) {
64    s->data[j] = val;
65  }
66}
67
68void lvec_zeros(lvec_t *s) {
69#if HAVE_MEMCPY_HACKS
70  memset(s->data, 0, s->length * sizeof(lsmp_t));
71#else
72  lvec_set(s, 0.);
73#endif
74}
75
76void lvec_ones(lvec_t *s) {
77  lvec_set(s, 1.);
78}
79
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