source: src/cvec.c @ 549928e

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 549928e was 767990e, checked in by Paul Brossier <piem@piem.org>, 10 years ago

src/{fvec,cvec,lvec,fmat}.c: make sure new_ functions return NULL if length <= 0

  • Property mode set to 100644
File size: 3.0 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  if ((sint_t)length <= 0) {
26    return NULL;
27  }
28  cvec_t * s = AUBIO_NEW(cvec_t);
29  s->length = length/2 + 1;
30  s->norm = AUBIO_ARRAY(smpl_t,s->length);
31  s->phas = AUBIO_ARRAY(smpl_t,s->length);
32  return s;
33}
34
35void del_cvec(cvec_t *s) {
36  AUBIO_FREE(s->norm);
37  AUBIO_FREE(s->phas);
38  AUBIO_FREE(s);
39}
40
41void cvec_write_norm(cvec_t *s, smpl_t data, uint_t position) {
42  s->norm[position] = data;
43}
44void cvec_write_phas(cvec_t *s, smpl_t data, uint_t position) {
45  s->phas[position] = data;
46}
47smpl_t cvec_read_norm(cvec_t *s, uint_t position) {
48  return s->norm[position];
49}
50smpl_t cvec_read_phas(cvec_t *s, uint_t position) {
51  return s->phas[position];
52}
53smpl_t * cvec_get_norm(cvec_t *s) {
54  return s->norm;
55}
56smpl_t * cvec_get_phas(cvec_t *s) {
57  return s->phas;
58}
59
60/* helper functions */
61
62void cvec_print(cvec_t *s) {
63  uint_t j;
64  AUBIO_MSG("norm: ");
65  for (j=0; j< s->length; j++) {
66    AUBIO_MSG(AUBIO_SMPL_FMT " ", s->norm[j]);
67  }
68  AUBIO_MSG("\n");
69  AUBIO_MSG("phas: ");
70  for (j=0; j< s->length; j++) {
71    AUBIO_MSG(AUBIO_SMPL_FMT " ", s->phas[j]);
72  }
73  AUBIO_MSG("\n");
74}
75
76void cvec_copy(cvec_t *s, cvec_t *t) {
77  if (s->length != t->length) {
78    AUBIO_ERR("trying to copy %d elements to %d elements \n",
79        s->length, t->length);
80    return;
81  }
82#if HAVE_MEMCPY_HACKS
83  memcpy(t->norm, s->norm, t->length * sizeof(smpl_t));
84  memcpy(t->phas, s->phas, t->length * sizeof(smpl_t));
85#else
86  uint_t j;
87  for (j=0; j< t->length; j++) {
88    t->norm[j] = s->norm[j];
89    t->phas[j] = s->phas[j];
90  }
91#endif
92}
93
94void cvec_set_all_norm(cvec_t *s, smpl_t val) {
95  uint_t j;
96  for (j=0; j< s->length; j++) {
97    s->norm[j] = val;
98  }
99}
100
101void cvec_zeros_norm(cvec_t *s) {
102#if HAVE_MEMCPY_HACKS
103  memset(s->norm, 0, s->length * sizeof(smpl_t));
104#else
105  cvec_set_all_norm(s, 0.);
106#endif
107}
108
109void cvec_ones_norm(cvec_t *s) {
110  cvec_set_all_norm(s, 1.);
111}
112
113void cvec_set_all_phas(cvec_t *s, smpl_t val) {
114  uint_t j;
115  for (j=0; j< s->length; j++) {
116    s->phas[j] = val;
117  }
118}
119
120void cvec_zeros_phas(cvec_t *s) {
121#if HAVE_MEMCPY_HACKS
122  memset(s->phas, 0, s->length * sizeof(smpl_t));
123#else
124  cvec_set_all_phas(s, 0.);
125#endif
126}
127
128void cvec_ones_phas(cvec_t *s) {
129  cvec_set_all_phas(s, 1.);
130}
131
132void cvec_zeros(cvec_t *s) {
133  cvec_zeros_norm(s);
134  cvec_zeros_phas(s);
135}
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