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Measurement.h
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Measurement.h
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/*****************************************************************************
*
* Calculate Moving Average of Measurement Data Stream
*
* file: Measurement.h
* encoding: UTF-8
* created: 29.04.2023
*
*****************************************************************************
*
* Copyright (C) 2023 Jens B.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
*
*****************************************************************************/
#pragma once
#include <vector>
class Measurement
{
public:
Measurement() = default;
public:
void setMaxSamples(size_t maxSamples)
{
this->maxSamples = maxSamples;
}
void add(float sample)
{
samples.push_back(sample);
while (samples.size() > maxSamples)
{
samples.erase(samples.begin());
}
}
float getAverage()
{
size_t count = samples.size();
if (count)
{
float sum = 0;
for (auto s: samples)
{
sum += s;
}
return sum/count;
}
else
{
return 0;
}
}
private:
size_t maxSamples = 4;
std::vector<float> samples;
};