/*  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;  }#if defined(HAVE_INTEL_IPP)  aubio_ippsCopy(s->phas, t->phas, (int)s->length);  aubio_ippsCopy(s->norm, t->norm, (int)s->length);#elif defined(HAVE_MEMCPY_HACKS)  memcpy(t->norm, s->norm, t->length * sizeof(smpl_t));  memcpy(t->phas, s->phas, t->length * sizeof(smpl_t));#else  uint_t j;  for (j=0; j< t->length; j++) {    t->norm[j] = s->norm[j];    t->phas[j] = s->phas[j];  }#endif} void cvec_norm_set_all(cvec_t *s, smpl_t val) {#if defined(HAVE_INTEL_IPP)  aubio_ippsSet(val, s->norm, (int)s->length);#else  uint_t j;  for (j=0; j< s->length; j++) {    s->norm[j] = val;  }#endif} void cvec_norm_zeros(cvec_t *s) {#if defined(HAVE_INTEL_IPP)  aubio_ippsZero(s->norm, (int)s->length);#elif defined(HAVE_MEMCPY_HACKS)  memset(s->norm, 0, s->length * sizeof(smpl_t));#else  cvec_norm_set_all (s, 0.);#endif} void cvec_norm_ones(cvec_t *s) {  cvec_norm_set_all (s, 1.);} void cvec_phas_set_all (cvec_t *s, smpl_t val) {#if defined(HAVE_INTEL_IPP)  aubio_ippsSet(val, s->phas, (int)s->length);#else  uint_t j;  for (j=0; j< s->length; j++) {    s->phas[j] = val;  }#endif} void cvec_phas_zeros(cvec_t *s) {#if defined(HAVE_INTEL_IPP)  aubio_ippsZero(s->phas, (int)s->length);#elif defined(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);} void cvec_logmag(cvec_t *s, smpl_t lambda) {#if defined(HAVE_INTEL_IPP)  aubio_ippsMulC(s->norm, lambda, s->norm, (int)s->length);  aubio_ippsAddC(s->norm, 1.0, s->norm, (int)s->length);  aubio_ippsLn(s->norm, s->norm, (int)s->length);#else  uint_t j;  for (j=0; j< s->length; j++) {    s->norm[j] = LOG(lambda * s->norm[j] + 1);  }#endif}