source: src/cvec.c @ 7585822

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 7585822 was 7585822, checked in by Paul Brossier <piem@piem.org>, 8 years ago

src/, examples/: #ifdef HAVE_, not #if HAVE_

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[96fb8ad]1/*
[a6db140]2  Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
[96fb8ad]3
[a6db140]4  This file is part of aubio.
[96fb8ad]5
[a6db140]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.
[96fb8ad]10
[a6db140]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/>.
[96fb8ad]18
19*/
20
21#include "aubio_priv.h"
[d1ec8cb]22#include "cvec.h"
[96fb8ad]23
[1120f86]24cvec_t * new_cvec(uint_t length) {
[c21acb9]25  cvec_t * s;
[767990e]26  if ((sint_t)length <= 0) {
27    return NULL;
28  }
[c21acb9]29  s = AUBIO_NEW(cvec_t);
[96fb8ad]30  s->length = length/2 + 1;
[66fb3ea]31  s->norm = AUBIO_ARRAY(smpl_t,s->length);
32  s->phas = AUBIO_ARRAY(smpl_t,s->length);
[96fb8ad]33  return s;
34}
35
36void del_cvec(cvec_t *s) {
37  AUBIO_FREE(s->norm);
38  AUBIO_FREE(s->phas);
39  AUBIO_FREE(s);
40}
[7c206df]41
[5d10ac1]42void cvec_norm_set_sample (cvec_t *s, smpl_t data, uint_t position) {
[66fb3ea]43  s->norm[position] = data;
[7c206df]44}
[5d10ac1]45
46void cvec_phas_set_sample (cvec_t *s, smpl_t data, uint_t position) {
[66fb3ea]47  s->phas[position] = data;
[7c206df]48}
[5d10ac1]49
50smpl_t cvec_norm_get_sample (cvec_t *s, uint_t position) {
[66fb3ea]51  return s->norm[position];
[7c206df]52}
[5d10ac1]53
54smpl_t cvec_phas_get_sample (cvec_t *s, uint_t position) {
[66fb3ea]55  return s->phas[position];
[7c206df]56}
[5d10ac1]57
[1120f86]58smpl_t * cvec_norm_get_data (const cvec_t *s) {
[7c206df]59  return s->norm;
60}
[5d10ac1]61
[1120f86]62smpl_t * cvec_phas_get_data (const cvec_t *s) {
[7c206df]63  return s->phas;
64}
[d1ec8cb]65
[55b7cb4]66/* helper functions */
67
[1120f86]68void cvec_print(const cvec_t *s) {
[66fb3ea]69  uint_t j;
70  AUBIO_MSG("norm: ");
71  for (j=0; j< s->length; j++) {
72    AUBIO_MSG(AUBIO_SMPL_FMT " ", s->norm[j]);
73  }
74  AUBIO_MSG("\n");
75  AUBIO_MSG("phas: ");
76  for (j=0; j< s->length; j++) {
77    AUBIO_MSG(AUBIO_SMPL_FMT " ", s->phas[j]);
[55b7cb4]78  }
[66fb3ea]79  AUBIO_MSG("\n");
[55b7cb4]80}
81
[1120f86]82void cvec_copy(const cvec_t *s, cvec_t *t) {
[39a7b26]83  if (s->length != t->length) {
84    AUBIO_ERR("trying to copy %d elements to %d elements \n",
85        s->length, t->length);
86    return;
87  }
[7585822]88#ifdef HAVE_MEMCPY_HACKS
[39a7b26]89  memcpy(t->norm, s->norm, t->length * sizeof(smpl_t));
90  memcpy(t->phas, s->phas, t->length * sizeof(smpl_t));
[7585822]91#else /* HAVE_MEMCPY_HACKS */
[39a7b26]92  uint_t j;
93  for (j=0; j< t->length; j++) {
94    t->norm[j] = s->norm[j];
95    t->phas[j] = s->phas[j];
96  }
[7585822]97#endif /* HAVE_MEMCPY_HACKS */
[39a7b26]98}
99
[5d10ac1]100void cvec_norm_set_all (cvec_t *s, smpl_t val) {
[66fb3ea]101  uint_t j;
102  for (j=0; j< s->length; j++) {
103    s->norm[j] = val;
[012466b]104  }
105}
106
[5d10ac1]107void cvec_norm_zeros(cvec_t *s) {
[7585822]108#ifdef HAVE_MEMCPY_HACKS
[39a7b26]109  memset(s->norm, 0, s->length * sizeof(smpl_t));
[7585822]110#else /* HAVE_MEMCPY_HACKS */
[5d10ac1]111  cvec_norm_set_all (s, 0.);
[7585822]112#endif /* HAVE_MEMCPY_HACKS */
[012466b]113}
114
[5d10ac1]115void cvec_norm_ones(cvec_t *s) {
116  cvec_norm_set_all (s, 1.);
[012466b]117}
118
[5d10ac1]119void cvec_phas_set_all (cvec_t *s, smpl_t val) {
[39a7b26]120  uint_t j;
121  for (j=0; j< s->length; j++) {
122    s->phas[j] = val;
123  }
124}
125
[5d10ac1]126void cvec_phas_zeros(cvec_t *s) {
[7585822]127#ifdef HAVE_MEMCPY_HACKS
[39a7b26]128  memset(s->phas, 0, s->length * sizeof(smpl_t));
129#else
[5d10ac1]130  cvec_phas_set_all (s, 0.);
[39a7b26]131#endif
132}
133
[5d10ac1]134void cvec_phas_ones(cvec_t *s) {
135  cvec_phas_set_all (s, 1.);
[39a7b26]136}
137
138void cvec_zeros(cvec_t *s) {
[5d10ac1]139  cvec_norm_zeros(s);
140  cvec_phas_zeros(s);
[39a7b26]141}
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