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/*
* Copyright (C) 2013, 2014, 2015 by the Konclude Developer Team.
*
* This file is part of the reasoning system Konclude.
* For details and support, see <http://konclude.com/>.
*
* Konclude is free software: you can redistribute it and/or modify it under
* the terms of version 2.1 of the GNU Lesser General Public License (LGPL2.1)
* as published by the Free Software Foundation.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Konclude. If not, see <http://www.gnu.org/licenses/>.
*
* Konclude is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more
* details, see GNU Lesser General Public License.
*
*/
#include "CMinMaxAvgLimitedCountValueAnalyser.h"
namespace Konclude {
namespace Test {
namespace Analyse {
CMinMaxAvgLimitedCountValueAnalyser::CMinMaxAvgLimitedCountValueAnalyser(qint64 valueLimit) {
valLimit = valueLimit;
}
CMinMaxAvgLimitedCountValueAnalyser::~CMinMaxAvgLimitedCountValueAnalyser() {
}
CMinMaxAvgLimitedCountValueAnalyser *CMinMaxAvgLimitedCountValueAnalyser::setValueLimit(qint64 valueLimit) {
valLimit = valueLimit;
return this;
}
qint64 CMinMaxAvgLimitedCountValueAnalyser::getValueLimit() {
return valLimit;
}
CValueAnalyser *CMinMaxAvgLimitedCountValueAnalyser::analyseValue(double douVal) {
if (valCount > 0) {
valCount++;
maxVal = qMax(douVal,maxVal);
minVal = qMin(douVal,minVal);
avgVal = avgVal + (1./(valCount+1.)) * (douVal - avgVal);
} else {
avgVal = douVal;
minVal = douVal;
maxVal = douVal;
valCount++;
}
values.prepend(douVal);
if (valCount > valLimit) {
double lastVal = values.takeLast();
avgVal = avgVal - (1./(valCount-1.)) * (lastVal - avgVal);
valCount--;
if (lastVal == minVal || lastVal == maxVal) {
// search new min and max
double newMin = 1.7976931348623158e+308;
double newMax = -1.7976931348623158e+307;
for (QLinkedList<double>::const_iterator it = values.begin(); it != values.end(); ++it) {
double val = (*it);
newMax = qMax(val,newMax);
newMin = qMin(val,newMin);
}
minVal = newMin;
maxVal = newMax;
}
}
if (!valCountAnaVal) {
valCountAnaVal = new CIntegerAnalyseValue(valCount);
maxValAnaVal = new CDoubleAnalyseValue(maxVal);
minValAnaVal = new CDoubleAnalyseValue(minVal);
avgValAnaVal = new CDoubleAnalyseValue(avgVal);
} else {
valCountAnaVal->parseFromInteger(valCount);
maxValAnaVal->parseFromDouble(maxVal);
minValAnaVal->parseFromDouble(minVal);
avgValAnaVal->parseFromDouble(avgVal);
}
return this;
}
}; // end namespace Analyse
}; // end namespace Test
}; // end namespace Konclude
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