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/*
Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
This file is part of aubio.
aubio is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
aubio is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with aubio. If not, see <http://www.gnu.org/licenses/>.
*/
#include "aubio_priv.h"
#include "cvec.h"
cvec_t * new_cvec(uint_t length) {
cvec_t * s;
if ((sint_t)length <= 0) {
return NULL;
}
s = AUBIO_NEW(cvec_t);
s->length = length/2 + 1;
s->norm = AUBIO_ARRAY(smpl_t,s->length);
s->phas = AUBIO_ARRAY(smpl_t,s->length);
return s;
}
void del_cvec(cvec_t *s) {
AUBIO_FREE(s->norm);
AUBIO_FREE(s->phas);
AUBIO_FREE(s);
}
void cvec_norm_set_sample (cvec_t *s, smpl_t data, uint_t position) {
s->norm[position] = data;
}
void cvec_phas_set_sample (cvec_t *s, smpl_t data, uint_t position) {
s->phas[position] = data;
}
smpl_t cvec_norm_get_sample (cvec_t *s, uint_t position) {
return s->norm[position];
}
smpl_t cvec_phas_get_sample (cvec_t *s, uint_t position) {
return s->phas[position];
}
smpl_t * cvec_norm_get_data (const cvec_t *s) {
return s->norm;
}
smpl_t * cvec_phas_get_data (const cvec_t *s) {
return s->phas;
}
/* helper functions */
void cvec_print(const cvec_t *s) {
uint_t j;
AUBIO_MSG("norm: ");
for (j=0; j< s->length; j++) {
AUBIO_MSG(AUBIO_SMPL_FMT " ", s->norm[j]);
}
AUBIO_MSG("\n");
AUBIO_MSG("phas: ");
for (j=0; j< s->length; j++) {
AUBIO_MSG(AUBIO_SMPL_FMT " ", s->phas[j]);
}
AUBIO_MSG("\n");
}
void cvec_copy(const cvec_t *s, cvec_t *t) {
if (s->length != t->length) {
AUBIO_ERR("trying to copy %d elements to %d elements \n",
s->length, t->length);
return;
}
#ifdef HAVE_MEMCPY_HACKS
memcpy(t->norm, s->norm, t->length * sizeof(smpl_t));
memcpy(t->phas, s->phas, t->length * sizeof(smpl_t));
#else /* HAVE_MEMCPY_HACKS */
uint_t j;
for (j=0; j< t->length; j++) {
t->norm[j] = s->norm[j];
t->phas[j] = s->phas[j];
}
#endif /* HAVE_MEMCPY_HACKS */
}
void cvec_norm_set_all (cvec_t *s, smpl_t val) {
uint_t j;
for (j=0; j< s->length; j++) {
s->norm[j] = val;
}
}
void cvec_norm_zeros(cvec_t *s) {
#ifdef HAVE_MEMCPY_HACKS
memset(s->norm, 0, s->length * sizeof(smpl_t));
#else /* HAVE_MEMCPY_HACKS */
cvec_norm_set_all (s, 0.);
#endif /* HAVE_MEMCPY_HACKS */
}
void cvec_norm_ones(cvec_t *s) {
cvec_norm_set_all (s, 1.);
}
void cvec_phas_set_all (cvec_t *s, smpl_t val) {
uint_t j;
for (j=0; j< s->length; j++) {
s->phas[j] = val;
}
}
void cvec_phas_zeros(cvec_t *s) {
#ifdef HAVE_MEMCPY_HACKS
memset(s->phas, 0, s->length * sizeof(smpl_t));
#else
cvec_phas_set_all (s, 0.);
#endif
}
void cvec_phas_ones(cvec_t *s) {
cvec_phas_set_all (s, 1.);
}
void cvec_zeros(cvec_t *s) {
cvec_norm_zeros(s);
cvec_phas_zeros(s);
}
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