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/*
***************************************************************************
*
* Author: Teunis van Beelen
*
* Copyright (C) 2022 - 2025 Teunis van Beelen
*
* Email: teuniz@protonmail.com
*
***************************************************************************
*
* This program 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, version 3 of the License.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
***************************************************************************
*/
#ifndef PLIF_EEG_subtract_filter_INCLUDED
#define PLIF_EEG_subtract_filter_INCLUDED
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int sf;
int pwrcycles;
int pwrcyclesmpls;
double *buf;
int sz;
int idx;
} plifeegfilt_t;
plifeegfilt_t * plif_eeg_create_subtract_filter(int, int);
double plif_eeg_run_subtract_filter(double, plifeegfilt_t *);
void plif_eeg_reset_subtract_filter(plifeegfilt_t *);
void plif_eeg_free_subtract_filter(plifeegfilt_t *);
void plif_eeg_subtract_filter_state_copy(plifeegfilt_t *, plifeegfilt_t *);
plifeegfilt_t * plif_eeg_subtract_filter_create_copy(plifeegfilt_t *);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
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