source: src/cvec.c @ 39a7b26

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 39a7b26 was 39a7b26, checked in by Paul Brossier <piem@piem.org>, 6 years ago

src/cvec.h: improve cvec_t api

  • Property mode set to 100644
File size: 2.9 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 "cvec.h"
23
24cvec_t * new_cvec( uint_t length) {
25  cvec_t * s = AUBIO_NEW(cvec_t);
26  s->length = length/2 + 1;
27  s->norm = AUBIO_ARRAY(smpl_t,s->length);
28  s->phas = AUBIO_ARRAY(smpl_t,s->length);
29  return s;
30}
31
32void del_cvec(cvec_t *s) {
33  AUBIO_FREE(s->norm);
34  AUBIO_FREE(s->phas);
35  AUBIO_FREE(s);
36}
37
38void cvec_write_norm(cvec_t *s, smpl_t data, uint_t position) {
39  s->norm[position] = data;
40}
41void cvec_write_phas(cvec_t *s, smpl_t data, uint_t position) {
42  s->phas[position] = data;
43}
44smpl_t cvec_read_norm(cvec_t *s, uint_t position) {
45  return s->norm[position];
46}
47smpl_t cvec_read_phas(cvec_t *s, uint_t position) {
48  return s->phas[position];
49}
50smpl_t * cvec_get_norm(cvec_t *s) {
51  return s->norm;
52}
53smpl_t * cvec_get_phas(cvec_t *s) {
54  return s->phas;
55}
56
57/* helper functions */
58
59void cvec_print(cvec_t *s) {
60  uint_t j;
61  AUBIO_MSG("norm: ");
62  for (j=0; j< s->length; j++) {
63    AUBIO_MSG(AUBIO_SMPL_FMT " ", s->norm[j]);
64  }
65  AUBIO_MSG("\n");
66  AUBIO_MSG("phas: ");
67  for (j=0; j< s->length; j++) {
68    AUBIO_MSG(AUBIO_SMPL_FMT " ", s->phas[j]);
69  }
70  AUBIO_MSG("\n");
71}
72
73void cvec_copy(cvec_t *s, cvec_t *t) {
74  if (s->length != t->length) {
75    AUBIO_ERR("trying to copy %d elements to %d elements \n",
76        s->length, t->length);
77    return;
78  }
79#if HAVE_MEMCPY_HACKS
80  memcpy(t->norm, s->norm, t->length * sizeof(smpl_t));
81  memcpy(t->phas, s->phas, t->length * sizeof(smpl_t));
82#else
83  uint_t j;
84  for (j=0; j< t->length; j++) {
85    t->norm[j] = s->norm[j];
86    t->phas[j] = s->phas[j];
87  }
88#endif
89}
90
91void cvec_set_all_norm(cvec_t *s, smpl_t val) {
92  uint_t j;
93  for (j=0; j< s->length; j++) {
94    s->norm[j] = val;
95  }
96}
97
98void cvec_zeros_norm(cvec_t *s) {
99#if HAVE_MEMCPY_HACKS
100  memset(s->norm, 0, s->length * sizeof(smpl_t));
101#else
102  cvec_set_all_norm(s, 0.);
103#endif
104}
105
106void cvec_ones_norm(cvec_t *s) {
107  cvec_set_all_norm(s, 1.);
108}
109
110void cvec_set_all_phas(cvec_t *s, smpl_t val) {
111  uint_t j;
112  for (j=0; j< s->length; j++) {
113    s->phas[j] = val;
114  }
115}
116
117void cvec_zeros_phas(cvec_t *s) {
118#if HAVE_MEMCPY_HACKS
119  memset(s->phas, 0, s->length * sizeof(smpl_t));
120#else
121  cvec_set_all_phas(s, 0.);
122#endif
123}
124
125void cvec_ones_phas(cvec_t *s) {
126  cvec_set_all_phas(s, 1.);
127}
128
129void cvec_zeros(cvec_t *s) {
130  cvec_zeros_norm(s);
131  cvec_zeros_phas(s);
132}
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