2022-10-02 18:23:47 -04:00
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///////////////////////////////////////////////////////////////////////////////////
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2023-11-19 00:43:20 -05:00
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2019, 2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2015 John Greb <hexameron@spam.no> //
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// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com> //
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2022-10-02 18:23:47 -04:00
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// //
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// Find peaks in a series of real values //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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2022-11-17 09:41:55 -05:00
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#include <algorithm>
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2022-10-02 18:23:47 -04:00
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#include "peakfinder.h"
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PeakFinder::PeakFinder() :
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m_prevValue(0.0),
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m_index(0)
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{}
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PeakFinder::~PeakFinder()
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{}
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void PeakFinder::init(Real value)
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{
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m_prevValue = value;
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m_peaks.clear();
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m_index = 0;
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}
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void PeakFinder::push(Real value, bool last)
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{
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Real diff = value - m_prevValue;
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if (diff < 0) {
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m_peaks.push_back({m_prevValue, m_index});
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} else if (last) {
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m_peaks.push_back({value, m_index});
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}
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m_prevValue = value;
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m_index++;
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}
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void PeakFinder::sortPeaks()
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{
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std::sort(m_peaks.rbegin(), m_peaks.rend()); // descending order of values
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}
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