jens
31883e71a6
- Tracker: forget max at each process for all rackers git-svn-id: http://moon:8086/svn/software/trunk/libsrc/cpp@1048 b431acfa-c32f-4a4a-93f1-934dc6c82436
58 lines
802 B
C++
58 lines
802 B
C++
#include "Tracker.hpp"
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#include <iostream>
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using namespace std;
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namespace Radio
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{
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namespace Metrics
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{
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Tracker::Tracker(RealScalar rho, RealScalar smoothness)
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: m_mags(NUM_QUADRRANTS)
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, m_rho(rho)
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, m_smoothness(smoothness)
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{
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m_mags = 0;
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}
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Tracker::~Tracker()
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{
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}
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ComplexScalar const* Tracker::trackers() const
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{
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return m_trackers;
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}
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void Tracker::process(ComplexScalar const &x)
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{
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size_t qu = getQuadrant(x);
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m_mags *= m_rho;
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RealScalar mag = abs(x);
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if (mag > m_mags[qu])
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{
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m_mags[qu] = mag;
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m_trackers[qu] = m_smoothness*x + (RealScalar(1.0)-m_smoothness)*m_trackers[qu];
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}
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}
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size_t Tracker::getQuadrant(ComplexScalar const &x)
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{
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size_t result = 0;
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if (x.real() < 0)
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{
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result |= 0x02;
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}
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if (x.imag() < 0)
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{
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result |= 0x01;
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}
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return result;
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}
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} // Metrics
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} // Radio
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