149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
/*
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Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
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This file is part of aubio.
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aubio is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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aubio is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with aubio. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "aubio_priv.h"
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#include "fvec.h"
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fvec_t * new_fvec(uint_t length) {
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fvec_t * s;
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if ((sint_t)length <= 0) {
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return NULL;
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}
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s = AUBIO_NEW(fvec_t);
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s->length = length;
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s->data = AUBIO_ARRAY(smpl_t, s->length);
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return s;
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}
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void del_fvec(fvec_t *s) {
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AUBIO_FREE(s->data);
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AUBIO_FREE(s);
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}
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void fvec_set_sample(fvec_t *s, smpl_t data, uint_t position) {
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s->data[position] = data;
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}
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smpl_t fvec_get_sample(const fvec_t *s, uint_t position) {
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return s->data[position];
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}
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smpl_t * fvec_get_data(const fvec_t *s) {
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return s->data;
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}
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/* helper functions */
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void fvec_print(const fvec_t *s) {
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uint_t j;
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for (j=0; j< s->length; j++) {
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AUBIO_MSG(AUBIO_SMPL_FMT " ", s->data[j]);
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}
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AUBIO_MSG("\n");
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}
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void fvec_set_all (fvec_t *s, smpl_t val) {
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#if defined(HAVE_INTEL_IPP)
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aubio_ippsSet(val, s->data, (int)s->length);
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#elif defined(HAVE_ATLAS)
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aubio_catlas_set(s->length, val, s->data, 1);
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#elif defined(HAVE_ACCELERATE)
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aubio_vDSP_vfill(&val, s->data, 1, s->length);
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#else
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uint_t j;
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for ( j = 0; j< s->length; j++ )
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{
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s->data[j] = val;
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}
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#endif
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}
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void fvec_zeros(fvec_t *s) {
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#if defined(HAVE_INTEL_IPP)
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aubio_ippsZero(s->data, (int)s->length);
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#elif defined(HAVE_ACCELERATE)
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aubio_vDSP_vclr(s->data, 1, s->length);
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#elif defined(HAVE_MEMCPY_HACKS)
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memset(s->data, 0, s->length * sizeof(smpl_t));
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#else
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fvec_set_all(s, 0.);
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#endif
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}
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void fvec_ones(fvec_t *s) {
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fvec_set_all (s, 1.);
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}
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void fvec_rev(fvec_t *s) {
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uint_t j;
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for (j=0; j< FLOOR((smpl_t)s->length/2); j++) {
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ELEM_SWAP(s->data[j], s->data[s->length-1-j]);
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}
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}
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void fvec_weight(fvec_t *s, const fvec_t *weight) {
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uint_t length = MIN(s->length, weight->length);
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#if defined(HAVE_INTEL_IPP)
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aubio_ippsMul(s->data, weight->data, s->data, (int)length);
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#elif defined(HAVE_ACCELERATE)
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aubio_vDSP_vmul( s->data, 1, weight->data, 1, s->data, 1, length );
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#else
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uint_t j;
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for (j = 0; j < length; j++) {
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s->data[j] *= weight->data[j];
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}
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#endif /* HAVE_ACCELERATE */
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}
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void fvec_weighted_copy(const fvec_t *in, const fvec_t *weight, fvec_t *out) {
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uint_t length = MIN(in->length, MIN(out->length, weight->length));
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#if defined(HAVE_INTEL_IPP)
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aubio_ippsMul(in->data, weight->data, out->data, (int)length);
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#elif defined(HAVE_ACCELERATE)
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aubio_vDSP_vmul(in->data, 1, weight->data, 1, out->data, 1, length);
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#else
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uint_t j;
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for (j = 0; j < length; j++) {
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out->data[j] = in->data[j] * weight->data[j];
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}
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#endif
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}
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void fvec_copy(const fvec_t *s, fvec_t *t) {
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if (s->length != t->length) {
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AUBIO_ERR("trying to copy %d elements to %d elements \n",
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s->length, t->length);
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return;
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}
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#if defined(HAVE_INTEL_IPP)
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aubio_ippsCopy(s->data, t->data, (int)s->length);
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#elif defined(HAVE_BLAS)
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aubio_cblas_copy(s->length, s->data, 1, t->data, 1);
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#elif defined(HAVE_ACCELERATE)
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aubio_vDSP_mmov(s->data, t->data, 1, s->length, 1, 1);
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#elif defined(HAVE_MEMCPY_HACKS)
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memcpy(t->data, s->data, t->length * sizeof(smpl_t));
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#else
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uint_t j;
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for (j = 0; j < t->length; j++) {
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t->data[j] = s->data[j];
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}
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#endif
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}
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