2 Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
4 This file is part of aubio.
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.
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.
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/>.
21 #include "aubio_priv.h"
24 fvec_t * new_fvec( uint_t length) {
25 fvec_t * s = AUBIO_NEW(fvec_t);
27 s->data = AUBIO_ARRAY(smpl_t, s->length);
31 void del_fvec(fvec_t *s) {
36 void fvec_write_sample(fvec_t *s, smpl_t data, uint_t position) {
37 s->data[position] = data;
40 smpl_t fvec_read_sample(fvec_t *s, uint_t position) {
41 return s->data[position];
44 smpl_t * fvec_get_data(fvec_t *s) {
48 /* helper functions */
50 void fvec_print(fvec_t *s) {
52 for (j=0; j< s->length; j++) {
53 AUBIO_MSG(AUBIO_SMPL_FMT " ", s->data[j]);
58 void fvec_set(fvec_t *s, smpl_t val) {
60 for (j=0; j< s->length; j++) {
65 void fvec_zeros(fvec_t *s) {
69 void fvec_ones(fvec_t *s) {
73 void fvec_rev(fvec_t *s) {
75 for (j=0; j< FLOOR(s->length/2); j++) {
76 ELEM_SWAP(s->data[j], s->data[s->length-1-j]);
80 void fvec_weight(fvec_t *s, fvec_t *weight) {
82 uint_t length = MIN(s->length, weight->length);
83 for (j=0; j< length; j++) {
84 s->data[j] *= weight->data[j];
88 void fvec_copy(fvec_t *s, fvec_t *t) {
90 uint_t length = t->length;
91 if (s->length != t->length) {
92 AUBIO_WRN("trying to copy %d elements to %d elements \n",
93 s->length, t->length);
94 length = MIN(s->length, t->length);
96 for (j=0; j< length; j++) {
97 t->data[j] = s->data[j];