#pragma once

#include <math.h>
#include "../lib/optimization.h"

typedef struct
{
	float alpha;
	float prev_sample;
	float gain;
} ResistorCapacitor;

void init_preemphasis(ResistorCapacitor *filter, float tau, float sample_rate);
float apply_preemphasis(ResistorCapacitor *filter, float sample);

float hard_clip(float sample, float threshold);