#include "Tracker.hpp"


namespace Radio
{
namespace Metrics
{

Tracker::Tracker(IMinMax const &prov_minMax)
: m_prov_minMax(prov_minMax)
{
}

Tracker::~Tracker()
{
}

ComplexScalar const* Tracker::trackers() const
{
	return m_trackers;
}

void Tracker::process(ComplexScalar const &x)
{
	radio_float_t alpha = 0.002;
	radio_float_t beta = 1.0 - alpha;
	radio_float_t min_i = m_prov_minMax.min_i();
	radio_float_t min_q = m_prov_minMax.min_q();
	radio_float_t max_i = m_prov_minMax.max_i();
	radio_float_t max_q = m_prov_minMax.max_q();

	m_trackers[0] = beta*m_trackers[0] + alpha*ComplexScalar(max_i, min_q);
	m_trackers[1] = beta*m_trackers[1] + alpha*ComplexScalar(max_i, max_q);
	m_trackers[2] = beta*m_trackers[2] + alpha*ComplexScalar(min_i, max_q);
	m_trackers[3] = beta*m_trackers[3] + alpha*ComplexScalar(min_i, min_q);

}

} // Metrics
} // Radio