srsRAN_4G/lib/include/srslte/phy/utils/random.h

/**
 * Copyright 2013-2020 Software Radio Systems Limited
 *
 * This file is part of srsLTE.
 *
 * 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/.
 *
 */

#ifndef SRSLTE_RANDOM_H
#define SRSLTE_RANDOM_H

#include "srslte/config.h"

#include <inttypes.h>
#include <stdbool.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef void* srslte_random_t;

SRSLTE_API srslte_random_t srslte_random_init(uint32_t seed);

SRSLTE_API int srslte_random_uniform_int_dist(srslte_random_t q, int min, int max);

SRSLTE_API float srslte_random_uniform_real_dist(srslte_random_t q, float min, float max);

SRSLTE_API cf_t srslte_random_uniform_complex_dist(srslte_random_t q, float min, float max);

SRSLTE_API void
srslte_random_uniform_complex_dist_vector(srslte_random_t q, cf_t* vector, uint32_t nsamples, float min, float max);

SRSLTE_API float srslte_random_gauss_dist(srslte_random_t q, float std_dev);

SRSLTE_API bool srslte_random_bool(srslte_random_t q, float prob_true);

SRSLTE_API void srslte_random_free(srslte_random_t q);

#ifdef __cplusplus
}
#endif

#endif // SRSLTE_RANDOM_H