28 lines
606 B
C++
28 lines
606 B
C++
// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#include <cmath>
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#include "MovingAverage.h"
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MovingAverage::MovingAverage(size_t elems) : elems(elems) {}
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void MovingAverage::Add(float val) {
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std::unique_lock ul(m);
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if (q.size() >= elems)
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q.pop_front();
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q.push_back(val);
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}
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std::optional<float> MovingAverage::Read() const {
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std::unique_lock ul(m);
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if (q.empty())
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return {};
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float sum = 0;
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for (const auto &elem: q)
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sum += elem;
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return sum / q.size();
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} |