nrf_dsp_hjorth.h

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/*
 * Copyright (c) 2026 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
#ifndef _NRF_DSP_STAT_HJORTH_FUNCTIONS_H_
#define _NRF_DSP_STAT_HJORTH_FUNCTIONS_H_
 
#include <nrf_edgeai/dsp/nrf_dsp_types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct nrf_dsp_hjorth_params_f32_s
{
    flt32_t activity;
 
    flt32_t mobility;
 
    flt32_t complexity;
} nrf_dsp_hjorth_params_f32_t;
 
typedef struct nrf_dsp_hjorth_params_i8_s
{
    int16_t activity;
 
    int16_t mobility;
 
    int16_t complexity;
} nrf_dsp_hjorth_params_i8_t;
 
typedef struct nrf_dsp_hjorth_params_i16_s
{
    int32_t activity;
 
    int32_t mobility;
 
    int32_t complexity;
} nrf_dsp_hjorth_params_i16_t;
 
void nrf_dsp_hjorth_f32(const flt32_t*               p_input,
                        uint16_t                     num,
                        nrf_dsp_hjorth_params_f32_t* p_params,
                        nrf_dsp_stat_ctx_f32_t*      p_ctx);
 
void nrf_dsp_hjorth_i8(const int8_t*               p_input,
                       uint16_t                    num,
                       nrf_dsp_hjorth_params_i8_t* p_params,
                       nrf_dsp_stat_ctx_i8_t*      p_ctx);
 
void nrf_dsp_hjorth_i16(const int16_t*               p_input,
                        uint16_t                     num,
                        nrf_dsp_hjorth_params_i16_t* p_params,
                        nrf_dsp_stat_ctx_i16_t*      p_ctx);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _NRF_DSP_STAT_HJORTH_FUNCTIONS_H_ */