moving_average.hpp
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	#ifndef SPECMICP_UTILS_MOVINGAVERAGE_HPP
	#define SPECMICP_UTILS_MOVINGAVERAGE_HPP

	#include "common.hpp"

	namespace specmicp {
	namespace utils {

	//! \brief Exponential moving average
	class ExponentialMovingAverage
	{
	public:
	ExponentialMovingAverage(scalar_t alpha, scalar_t init):
	m_alpha(alpha),
	m_current_value(init)
	{
	}
	//! \brief Add a point in the series, return current average value
	scalar_t add_point(scalar_t value){
	m_current_value = m_alphavalue + (1-m_alpha)m_current_value;
	return m_current_value;
	}

	//! \brief Return the current average value
	scalar_t current_value() {
	return m_current_value;
	}

	void reset(scalar_t value) {
	m_current_value = value;
	}

	private:
	scalar_t m_alpha;
	scalar_t m_current_value;
	};


	} // end namespace utils
	} // end namespace specmicp

	#endif // SPECMICP_UTILS_MOVINGAVERAGE_HPP