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698b475933
* Removed all CVS tags. * Removed 'const char *name' parameter from all QObject contructors.
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
// rdmeteraverage.cpp
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//
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// Average sucessive levels for a meter.
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//
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// (C) Copyright 2007,2016 Fred Gleason <fredg@paravelsystems.com>
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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 version 2 as
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// published by the Free Software Foundation.
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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 for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <rdmeteraverage.h>
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RDMeterAverage::RDMeterAverage(int maxsize)
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{
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avg_maxsize=maxsize;
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avg_total=0.0;
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}
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double RDMeterAverage::average() const
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{
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if(avg_values.size()==0) {
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return 0.0;
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}
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return avg_total/((double)avg_values.size());
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}
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void RDMeterAverage::addValue(double value)
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{
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avg_total+=value;
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avg_values.push(value);
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int size=avg_values.size()-avg_maxsize;
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for(int i=0;i<size;i++) {
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avg_total-=avg_values.front();
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avg_values.pop();
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}
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}
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