source: src/fvec.c @ 4b16721

feature/autosinkfeature/constantqfeature/pitchshiftfeature/timestretch
Last change on this file since 4b16721 was 630191c, checked in by Paul Brossier <piem@piem.org>, 12 months ago

src/aubio_priv.h: split BLAS and ATLAS support

  • Property mode set to 100644
File size: 3.7 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 "fvec.h"
23
24fvec_t * new_fvec(uint_t length) {
25  fvec_t * s;
26  if ((sint_t)length <= 0) {
27    return NULL;
28  }
29  s = AUBIO_NEW(fvec_t);
30  s->length = length;
31  s->data = AUBIO_ARRAY(smpl_t, s->length);
32  return s;
33}
34
35void del_fvec(fvec_t *s) {
36  AUBIO_FREE(s->data);
37  AUBIO_FREE(s);
38}
39
40void fvec_set_sample(fvec_t *s, smpl_t data, uint_t position) {
41  s->data[position] = data;
42}
43
44smpl_t fvec_get_sample(const fvec_t *s, uint_t position) {
45  return s->data[position];
46}
47
48smpl_t * fvec_get_data(const fvec_t *s) {
49  return s->data;
50}
51
52/* helper functions */
53
54void fvec_print(const fvec_t *s) {
55  uint_t j;
56  for (j=0; j< s->length; j++) {
57    AUBIO_MSG(AUBIO_SMPL_FMT " ", s->data[j]);
58  }
59  AUBIO_MSG("\n");
60}
61
62void fvec_set_all (fvec_t *s, smpl_t val) {
63#if defined(HAVE_INTEL_IPP)
64  aubio_ippsSet(val, s->data, (int)s->length);
65#elif defined(HAVE_ATLAS)
66  aubio_catlas_set(s->length, val, s->data, 1);
67#elif defined(HAVE_ACCELERATE)
68  aubio_vDSP_vfill(&val, s->data, 1, s->length);
69#else
70  uint_t j;
71  for ( j = 0; j< s->length; j++ )
72  {
73    s->data[j] = val;
74  }
75#endif
76}
77
78void fvec_zeros(fvec_t *s) {
79#if defined(HAVE_INTEL_IPP)
80  aubio_ippsZero(s->data, (int)s->length);
81#elif defined(HAVE_ACCELERATE)
82  aubio_vDSP_vclr(s->data, 1, s->length);
83#elif defined(HAVE_MEMCPY_HACKS)
84  memset(s->data, 0, s->length * sizeof(smpl_t));
85#else
86  fvec_set_all(s, 0.);
87#endif
88}
89
90void fvec_ones(fvec_t *s) {
91  fvec_set_all (s, 1.);
92}
93
94void fvec_rev(fvec_t *s) {
95  uint_t j;
96  for (j=0; j< FLOOR((smpl_t)s->length/2); j++) {
97    ELEM_SWAP(s->data[j], s->data[s->length-1-j]);
98  }
99}
100
101void fvec_weight(fvec_t *s, const fvec_t *weight) {
102  uint_t length = MIN(s->length, weight->length);
103#if defined(HAVE_INTEL_IPP)
104  aubio_ippsMul(s->data, weight->data, s->data, (int)length);
105#elif defined(HAVE_ACCELERATE)
106  aubio_vDSP_vmul( s->data, 1, weight->data, 1, s->data, 1, length );
107#else
108  uint_t j;
109  for (j = 0; j < length; j++) {
110    s->data[j] *= weight->data[j];
111  }
112#endif /* HAVE_ACCELERATE */
113}
114
115void fvec_weighted_copy(const fvec_t *in, const fvec_t *weight, fvec_t *out) {
116  uint_t length = MIN(in->length, MIN(out->length, weight->length));
117#if defined(HAVE_INTEL_IPP)
118  aubio_ippsMul(in->data, weight->data, out->data, (int)length);
119#elif defined(HAVE_ACCELERATE)
120  aubio_vDSP_vmul(in->data, 1, weight->data, 1, out->data, 1, length);
121#else
122  uint_t j;
123  for (j = 0; j < length; j++) {
124    out->data[j] = in->data[j] * weight->data[j];
125  }
126#endif
127}
128
129void fvec_copy(const fvec_t *s, fvec_t *t) {
130  if (s->length != t->length) {
131    AUBIO_ERR("trying to copy %d elements to %d elements \n",
132        s->length, t->length);
133    return;
134  }
135#if defined(HAVE_INTEL_IPP)
136  aubio_ippsCopy(s->data, t->data, (int)s->length);
137#elif defined(HAVE_BLAS)
138  aubio_cblas_copy(s->length, s->data, 1, t->data, 1);
139#elif defined(HAVE_ACCELERATE)
140  aubio_vDSP_mmov(s->data, t->data, 1, s->length, 1, 1);
141#elif defined(HAVE_MEMCPY_HACKS)
142  memcpy(t->data, s->data, t->length * sizeof(smpl_t));
143#else
144  uint_t j;
145  for (j = 0; j < t->length; j++) {
146    t->data[j] = s->data[j];
147  }
148#endif
149}
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