low_pass_filter.cpp

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#include "common_lib/filters/low_pass_filter.hpp"
 
LowPassFilter::LowPassFilter(double alpha, double initial_value)
    : alpha_(alpha), prev_value_(initial_value) {}
 
double LowPassFilter::filter(double input) {
  prev_value_ = alpha_ * input + (1.0 - alpha_) * prev_value_;
  return prev_value_;
}
 
void LowPassFilter::reset(double value) { prev_value_ = value; }