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C

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2015 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of the srsLTE library.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include "srslte/fec/turbodecoder.h"
#include "srslte/fec/turbodecoder_gen.h"
#ifdef LV_HAVE_SSE
#include "srslte/fec/turbodecoder_sse.h"
#endif
#include "srslte/utils/vector.h"
int srslte_tdec_init(srslte_tdec_t * h, uint32_t max_long_cb) {
#ifdef LV_HAVE_SSE
return srslte_tdec_sse_init(&h->tdec_sse, max_long_cb);
#else
h->input_conv = srslte_vec_malloc(sizeof(float) * (3*max_long_cb+12));
if (!h->input_conv) {
perror("malloc");
return -1;
}
return srslte_tdec_gen_init(&h->tdec_gen, max_long_cb);
#endif
}
void srslte_tdec_free(srslte_tdec_t * h) {
#ifdef LV_HAVE_SSE
srslte_tdec_sse_free(&h->tdec_sse);
#else
if (h->input_conv) {
free(h->input_conv);
}
srslte_tdec_gen_free(&h->tdec_gen);
#endif
}
int srslte_tdec_reset(srslte_tdec_t * h, uint32_t long_cb) {
#ifdef LV_HAVE_SSE
return srslte_tdec_sse_reset(&h->tdec_sse, long_cb);
#else
return srslte_tdec_gen_reset(&h->tdec_gen, long_cb);
#endif
}
void srslte_tdec_iteration(srslte_tdec_t * h, int16_t* input, uint32_t long_cb) {
#ifdef LV_HAVE_SSE
srslte_tdec_sse_iteration(&h->tdec_sse, input, long_cb);
#else
srslte_vec_convert_if(input, h->input_conv, 0.01, 3*long_cb+12);
srslte_tdec_gen_iteration(&h->tdec_gen, h->input_conv, long_cb);
#endif
}
void srslte_tdec_decision(srslte_tdec_t * h, uint8_t *output, uint32_t long_cb) {
#ifdef LV_HAVE_SSE
return srslte_tdec_sse_decision(&h->tdec_sse, output, long_cb);
#else
return srslte_tdec_gen_decision(&h->tdec_gen, output, long_cb);
#endif
}
void srslte_tdec_decision_byte(srslte_tdec_t * h, uint8_t *output, uint32_t long_cb) {
#ifdef LV_HAVE_SSE
return srslte_tdec_sse_decision_byte(&h->tdec_sse, output, long_cb);
#else
return srslte_tdec_gen_decision_byte(&h->tdec_gen, output, long_cb);
#endif
}
int srslte_tdec_run_all(srslte_tdec_t * h, int16_t * input, uint8_t *output, uint32_t nof_iterations, uint32_t long_cb)
{
#ifdef LV_HAVE_SSE
return srslte_tdec_sse_run_all(&h->tdec_sse, input, output, nof_iterations, long_cb);
#else
srslte_vec_convert_if(input, h->input_conv, 0.01, 3*long_cb+12);
return srslte_tdec_gen_run_all(&h->tdec_gen, h->input_conv, output, nof_iterations, long_cb);
#endif
}