2020-11-26 01:25:22 -08:00
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/**
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2014-03-03 11:09:26 -08:00
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*
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2020-11-26 01:25:22 -08:00
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* \section COPYRIGHT
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*
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2020-11-26 01:25:22 -08:00
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* Copyright 2013-2020 Software Radio Systems Limited
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2014-01-28 03:41:17 -08:00
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*
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2020-11-26 01:25:22 -08:00
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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2014-03-03 11:09:26 -08:00
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*
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2014-01-28 03:41:17 -08:00
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*/
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2015-04-03 05:49:12 -07:00
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/******************************************************************************
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* File: cexptab.h
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*
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* Description: Utility module for generation of complex exponential tables.
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*
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* Reference:
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*****************************************************************************/
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2014-03-03 11:09:26 -08:00
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2018-03-31 10:04:04 -07:00
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#ifndef SRSLTE_CEXPTAB_H
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#define SRSLTE_CEXPTAB_H
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2014-01-28 03:41:17 -08:00
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2019-12-16 07:04:22 -08:00
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#include "srslte/config.h"
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#include <complex.h>
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#include <stdint.h>
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2015-03-18 05:31:13 -07:00
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typedef struct SRSLTE_API {
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uint32_t size;
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cf_t* tab;
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} srslte_cexptab_t;
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2014-03-03 15:54:02 -08:00
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2019-12-16 07:04:22 -08:00
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SRSLTE_API int srslte_cexptab_init(srslte_cexptab_t* nco, uint32_t size);
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2014-07-21 07:19:17 -07:00
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2019-12-16 07:04:22 -08:00
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SRSLTE_API void srslte_cexptab_free(srslte_cexptab_t* nco);
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2014-03-03 15:54:02 -08:00
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2019-12-16 07:04:22 -08:00
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SRSLTE_API void srslte_cexptab_gen(srslte_cexptab_t* nco, cf_t* x, float freq, uint32_t len);
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2014-01-28 03:41:17 -08:00
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2019-12-16 07:04:22 -08:00
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SRSLTE_API void srslte_cexptab_gen_direct(cf_t* x, float freq, uint32_t len);
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2015-03-18 11:14:24 -07:00
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2019-05-08 06:17:04 -07:00
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SRSLTE_API void srslte_cexptab_gen_sf(cf_t* x, float freq, uint32_t fft_size);
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2018-03-31 10:04:04 -07:00
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#endif // SRSLTE_CEXPTAB_H
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