RmsFunc.hh
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/*
* RmsFunc.hh
*
* Created on: Jun 23, 2018
* Author: benjamin
*/
#ifndef RMSFUNC_HH_
#define RMSFUNC_HH_
#include "AbstractFunc.hh"
#include "Toolbox.hh"
namespace AMDA {
namespace Parameters {
namespace StatisticFunctions {
template <typename InputElemType, typename OutputElemType>
OutputElemType computeRms(std::list<std::pair<double,InputElemType>>& mem, OutputElemType& nanVal) {
OutputElemType result = nanVal;
if (mem.empty()) {
return result;
}
result << ElemNull();
int n = 0;
for (auto val : mem) {
if (isNAN(val.second))
continue;
result = result+StatisticFunctions::square(val.second);
++n;
}
if (n == 0) {
result << NotANumber();
return result;
}
result = 1./n*result;
result = StatisticFunctions::root_square(result);
return result;
}
/**
* @class RmsFunc
* @brief
* @details This class implements AbstractFunc.
*/
template <typename InputElemType, typename OutputElemType>
class RmsFunc : public ClassicAbstractFunc<InputElemType,OutputElemType> {
public:
/**
* @brief Constructor.
*/
RmsFunc(Process& pProcess, TimeIntervalListSPtr pTimeIntervalList, ParamDataSpec<InputElemType>& paramInput, double windowtime)
: ClassicAbstractFunc<InputElemType,OutputElemType>(pProcess, pTimeIntervalList, paramInput, windowtime) {
}
virtual ~RmsFunc() {
}
OutputElemType compute() {
return computeRms(ClassicAbstractFunc<InputElemType,OutputElemType>::_mem, ClassicAbstractFunc<InputElemType,OutputElemType>::_nanVal);
}
};
/**
* @class RmsFuncSm
* @brief
* @details This class implements AbstractFunc.
*/
template <typename InputElemType, typename OutputElemType>
class RmsSmFunc : public SmAbstractFunc<InputElemType,OutputElemType> {
public:
/**
* @brief Constructor.
*/
RmsSmFunc(Process& pProcess, TimeIntervalListSPtr pTimeIntervalList, ParamDataSpec<InputElemType>& paramInput, double windowtime)
: SmAbstractFunc<InputElemType,OutputElemType>(pProcess, pTimeIntervalList, paramInput, windowtime) {
}
virtual ~RmsSmFunc() {
}
OutputElemType compute() {
return computeRms(SmAbstractFunc<InputElemType,OutputElemType>::_mem, SmAbstractFunc<InputElemType,OutputElemType>::_nanVal);
}
};
} /* namespace StatisticFunctions */
} /* namespace Parameters */
} /* namespace AMDA */
#endif /* RMSFUNC_HH_ */