1 | /* |
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2 | Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org> |
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3 | |
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4 | This file is part of aubio. |
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5 | |
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6 | aubio is free software: you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation, either version 3 of the License, or |
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9 | (at your option) any later version. |
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10 | |
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11 | aubio is distributed in the hope that it will be useful, |
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | GNU General Public License for more details. |
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15 | |
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16 | You should have received a copy of the GNU General Public License |
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17 | along with aubio. If not, see <http://www.gnu.org/licenses/>. |
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18 | |
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19 | */ |
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20 | |
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21 | #include "aubio_priv.h" |
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22 | #include "lvec.h" |
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23 | |
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24 | lvec_t * new_lvec( uint_t length) { |
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25 | lvec_t * s; |
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26 | if ((sint_t)length <= 0) { |
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27 | return NULL; |
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28 | } |
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29 | s = AUBIO_NEW(lvec_t); |
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30 | s->length = length; |
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31 | s->data = AUBIO_ARRAY(lsmp_t, s->length); |
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32 | return s; |
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33 | } |
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34 | |
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35 | void del_lvec(lvec_t *s) { |
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36 | AUBIO_FREE(s->data); |
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37 | AUBIO_FREE(s); |
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38 | } |
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39 | |
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40 | void lvec_set_sample(lvec_t *s, lsmp_t data, uint_t position) { |
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41 | s->data[position] = data; |
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42 | } |
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43 | |
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44 | lsmp_t lvec_get_sample(lvec_t *s, uint_t position) { |
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45 | return s->data[position]; |
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46 | } |
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47 | |
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48 | lsmp_t * lvec_get_data(lvec_t *s) { |
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49 | return s->data; |
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50 | } |
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51 | |
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52 | /* helper functions */ |
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53 | |
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54 | void lvec_print(lvec_t *s) { |
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55 | uint_t j; |
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56 | for (j=0; j< s->length; j++) { |
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57 | AUBIO_MSG(AUBIO_LSMP_FMT " ", s->data[j]); |
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58 | } |
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59 | AUBIO_MSG("\n"); |
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60 | } |
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61 | |
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62 | void lvec_set_all (lvec_t *s, smpl_t val) { |
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63 | uint_t j; |
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64 | for (j=0; j< s->length; j++) { |
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65 | s->data[j] = val; |
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66 | } |
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67 | } |
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68 | |
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69 | void lvec_zeros(lvec_t *s) { |
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70 | #if HAVE_MEMCPY_HACKS |
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71 | memset(s->data, 0, s->length * sizeof(lsmp_t)); |
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72 | #else |
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73 | lvec_set_all (s, 0.); |
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74 | #endif |
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75 | } |
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76 | |
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77 | void lvec_ones(lvec_t *s) { |
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78 | lvec_set_all (s, 1.); |
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79 | } |
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80 | |
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