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#ifndef SCIQLOP_ARRAYDATA_H
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#define SCIQLOP_ARRAYDATA_H
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#include <Common/SortUtils.h>
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#include <QReadLocker>
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#include <QReadWriteLock>
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#include <QVector>
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#include <memory>
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template <int Dim>
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class ArrayData;
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using DataContainer = QVector<QVector<double> >;
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namespace arraydata_detail {
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/// Struct used to sort ArrayData
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template <int Dim>
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struct Sort {
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static std::shared_ptr<ArrayData<Dim> > sort(const DataContainer &data,
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const std::vector<int> &sortPermutation)
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{
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auto nbComponents = data.size();
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auto sortedData = DataContainer(nbComponents);
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for (auto i = 0; i < nbComponents; ++i) {
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sortedData[i] = SortUtils::sort(data.at(i), sortPermutation);
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}
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return std::make_shared<ArrayData<Dim> >(std::move(sortedData));
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}
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};
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/// Specialization for uni-dimensional ArrayData
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template <>
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struct Sort<1> {
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static std::shared_ptr<ArrayData<1> > sort(const DataContainer &data,
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const std::vector<int> &sortPermutation)
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{
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return std::make_shared<ArrayData<1> >(SortUtils::sort(data.at(0), sortPermutation));
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}
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};
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} // namespace arraydata_detail
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/**
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* @brief The ArrayData class represents a dataset for a data series.
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*
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* A dataset can be unidimensional or two-dimensional. This property is determined by the Dim
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* template-parameter. In a case of a two-dimensional dataset, each dataset component has the same
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* number of values
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*
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* @tparam Dim the dimension of the ArrayData (one or two)
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* @sa IDataSeries
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*/
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template <int Dim>
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class ArrayData {
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public:
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// ///// //
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// Ctors //
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// ///// //
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/**
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* Ctor for a unidimensional ArrayData
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* @param data the data the ArrayData will hold
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*/
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template <int D = Dim, typename = std::enable_if_t<D == 1> >
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explicit ArrayData(QVector<double> data) : m_Data{1, QVector<double>{}}
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{
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m_Data[0] = std::move(data);
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}
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/**
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* Ctor for a two-dimensional ArrayData. The number of components (number of vectors) must be
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* greater than 2 and each component must have the same number of values
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* @param data the data the ArrayData will hold
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* @throws std::invalid_argument if the number of components is less than 2
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* @remarks if the number of values is not the same for each component, no value is set
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*/
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template <int D = Dim, typename = std::enable_if_t<D == 2> >
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explicit ArrayData(DataContainer data)
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{
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auto nbComponents = data.size();
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if (nbComponents < 2) {
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throw std::invalid_argument{
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QString{"A multidimensional ArrayData must have at least 2 components (found: %1"}
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.arg(data.size())
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.toStdString()};
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}
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auto nbValues = data.front().size();
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if (std::all_of(data.cbegin(), data.cend(), [nbValues](const auto &component) {
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return component.size() == nbValues;
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})) {
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m_Data = std::move(data);
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}
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else {
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m_Data = DataContainer{nbComponents, QVector<double>{}};
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}
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}
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/// Copy ctor
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explicit ArrayData(const ArrayData &other)
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{
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QReadLocker otherLocker{&other.m_Lock};
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m_Data = other.m_Data;
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}
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// /////////////// //
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// General methods //
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// /////////////// //
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/**
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* Merges into the array data an other array data. The two array datas must have the same number
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* of components so the merge can be done
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* @param other the array data to merge with
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* @param prepend if true, the other array data is inserted at the beginning, otherwise it is
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* inserted at the end
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*/
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void add(const ArrayData<Dim> &other, bool prepend = false)
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{
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QWriteLocker locker{&m_Lock};
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QReadLocker otherLocker{&other.m_Lock};
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auto nbComponents = m_Data.size();
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if (nbComponents != other.m_Data.size()) {
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return;
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}
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for (auto componentIndex = 0; componentIndex < nbComponents; ++componentIndex) {
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if (prepend) {
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const auto &otherData = other.data(componentIndex);
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const auto otherDataSize = otherData.size();
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auto &data = m_Data[componentIndex];
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data.insert(data.begin(), otherDataSize, 0.);
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for (auto i = 0; i < otherDataSize; ++i) {
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data.replace(i, otherData.at(i));
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}
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}
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else {
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m_Data[componentIndex] += other.data(componentIndex);
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}
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}
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}
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void clear()
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{
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QWriteLocker locker{&m_Lock};
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auto nbComponents = m_Data.size();
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for (auto i = 0; i < nbComponents; ++i) {
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m_Data[i].clear();
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}
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}
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/**
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* @return the data of a component
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* @param componentIndex the index of the component to retrieve the data
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* @return the component's data, empty vector if the index is invalid
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*/
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QVector<double> data(int componentIndex) const noexcept
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{
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QReadLocker locker{&m_Lock};
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return (componentIndex >= 0 && componentIndex < m_Data.size()) ? m_Data.at(componentIndex)
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: QVector<double>{};
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}
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/// @return the size (i.e. number of values) of a single component
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/// @remarks in a case of a two-dimensional ArrayData, each component has the same size
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int size() const
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{
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QReadLocker locker{&m_Lock};
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return m_Data[0].size();
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}
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std::shared_ptr<ArrayData<Dim> > sort(const std::vector<int> &sortPermutation)
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{
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QReadLocker locker{&m_Lock};
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return arraydata_detail::Sort<Dim>::sort(m_Data, sortPermutation);
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}
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// ///////////// //
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// 1-dim methods //
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// ///////////// //
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/**
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* @return the data at a specified index
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* @remarks index must be a valid position
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* @remarks this method is only available for a unidimensional ArrayData
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*/
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template <int D = Dim, typename = std::enable_if_t<D == 1> >
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double at(int index) const noexcept
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{
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QReadLocker locker{&m_Lock};
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return m_Data[0].at(index);
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}
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/**
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* @return the data as a vector, as a const reference
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* @remarks this method is only available for a unidimensional ArrayData
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*/
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template <int D = Dim, typename = std::enable_if_t<D == 1> >
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const QVector<double> &cdata() const noexcept
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{
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QReadLocker locker{&m_Lock};
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return m_Data.at(0);
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}
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/**
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* @return the data as a vector
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* @remarks this method is only available for a unidimensional ArrayData
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*/
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template <int D = Dim, typename = std::enable_if_t<D == 1> >
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QVector<double> data() const noexcept
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{
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QReadLocker locker{&m_Lock};
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return m_Data[0];
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}
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private:
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DataContainer m_Data;
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mutable QReadWriteLock m_Lock;
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};
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#endif // SCIQLOP_ARRAYDATA_H
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