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Makes clear() and size() methods compatible with two-dimensional ArrayData
Makes clear() and size() methods compatible with two-dimensional ArrayData

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ArrayData.h
189 lines | 5.9 KiB | text/x-c | CLexer
Alexandre Leroux
Creates ArrayData (struct that holds data as a vector of double)
r124 #ifndef SCIQLOP_ARRAYDATA_H
#define SCIQLOP_ARRAYDATA_H
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r364 #include <QReadLocker>
#include <QReadWriteLock>
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r124 #include <QVector>
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r450
#include <memory>
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r124 /**
* @brief The ArrayData class represents a dataset for a data series.
*
* A dataset can be unidimensional or two-dimensional. This property is determined by the Dim
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r501 * template-parameter. In a case of a two-dimensional dataset, each dataset component has the same
* number of values
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r124 *
* @tparam Dim the dimension of the ArrayData (one or two)
* @sa IDataSeries
*/
template <int Dim>
class ArrayData {
public:
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r392 /**
* Ctor for a unidimensional ArrayData
* @param data the data the ArrayData will hold
*/
template <int D = Dim, typename = std::enable_if_t<D == 1> >
explicit ArrayData(QVector<double> data) : m_Data{1, QVector<double>{}}
{
m_Data[0] = std::move(data);
}
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r501 /**
* Ctor for a two-dimensional ArrayData. The number of components (number of vectors) must be
* greater than 2 and each component must have the same number of values
* @param data the data the ArrayData will hold
* @throws std::invalid_argument if the number of components is less than 2
* @remarks if the number of values is not the same for each component, no value is set
*/
template <int D = Dim, typename = std::enable_if_t<D == 2> >
explicit ArrayData(QVector<QVector<double> > data)
{
auto nbComponents = data.size();
if (nbComponents < 2) {
throw std::invalid_argument{
QString{"A multidimensional ArrayData must have at least 2 components (found: %1"}
.arg(data.size())
.toStdString()};
}
auto nbValues = data.front().size();
if (std::all_of(data.cbegin(), data.cend(), [nbValues](const auto &component) {
return component.size() == nbValues;
})) {
m_Data = std::move(data);
}
else {
m_Data = QVector<QVector<double> >{nbComponents, QVector<double>{}};
}
}
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Review fixes
r372 /// Copy ctor
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r364 explicit ArrayData(const ArrayData &other)
{
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r372 QReadLocker otherLocker{&other.m_Lock};
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r364 m_Data = other.m_Data;
}
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r450 /**
* @return the data at a specified index
* @remarks index must be a valid position
* @remarks this method is only available for a unidimensional ArrayData
*/
template <int D = Dim, typename = std::enable_if_t<D == 1> >
double at(int index) const noexcept
{
QReadLocker locker{&m_Lock};
return m_Data[0].at(index);
}
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r124 /**
* Sets a data at a specified index. The index has to be valid to be effective
* @param index the index to which the data will be set
* @param data the data to set
* @remarks this method is only available for a unidimensional ArrayData
*/
template <int D = Dim, typename = std::enable_if_t<D == 1> >
void setData(int index, double data) noexcept
{
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r372 QWriteLocker locker{&m_Lock};
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r124 if (index >= 0 && index < m_Data.at(0).size()) {
m_Data[0].replace(index, data);
}
}
/**
* @return the data as a vector
* @remarks this method is only available for a unidimensional ArrayData
*/
template <int D = Dim, typename = std::enable_if_t<D == 1> >
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r364 QVector<double> data() const noexcept
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r124 {
Alexandre Leroux
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r372 QReadLocker locker{&m_Lock};
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r294 return m_Data[0];
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r124 }
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r233 /**
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r449 * @return the data as a vector, as a const reference
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r233 * @remarks this method is only available for a unidimensional ArrayData
*/
template <int D = Dim, typename = std::enable_if_t<D == 1> >
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r449 const QVector<double> &cdata() const noexcept
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r233 {
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r372 QReadLocker locker{&m_Lock};
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r449 return m_Data.at(0);
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r233 }
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Handles merge of two data series
r451 /**
* Merges into the array data an other array data
* @param other the array data to merge with
* @param prepend if true, the other array data is inserted at the beginning, otherwise it is
* inserted at the end
* @remarks this method is only available for a unidimensional ArrayData
*/
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r233 template <int D = Dim, typename = std::enable_if_t<D == 1> >
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r451 void add(const ArrayData<1> &other, bool prepend = false)
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r233 {
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r372 QWriteLocker locker{&m_Lock};
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r233 if (!m_Data.empty()) {
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r451 QReadLocker otherLocker{&other.m_Lock};
if (prepend) {
const auto &otherData = other.data();
const auto otherDataSize = otherData.size();
auto &data = m_Data[0];
data.insert(data.begin(), otherDataSize, 0.);
for (auto i = 0; i < otherDataSize; ++i) {
data.replace(i, otherData.at(i));
}
}
else {
m_Data[0] += other.data();
}
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r233 }
}
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r502 /// @return the size (i.e. number of values) of a single component
/// @remarks in a case of a two-dimensional ArrayData, each component has the same size
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r364 int size() const
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r233 {
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r372 QReadLocker locker{&m_Lock};
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r233 return m_Data[0].size();
}
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r450 template <int D = Dim, typename = std::enable_if_t<D == 1> >
std::shared_ptr<ArrayData<Dim> > sort(const std::vector<int> sortPermutation)
{
QReadLocker locker{&m_Lock};
const auto &data = m_Data.at(0);
// Inits result
auto sortedData = QVector<double>{};
sortedData.resize(data.size());
std::transform(sortPermutation.cbegin(), sortPermutation.cend(), sortedData.begin(),
[&data](int i) { return data[i]; });
return std::make_shared<ArrayData<Dim> >(std::move(sortedData));
}
Alexandre Leroux
Correction on ArrayData::clear() method
r454
Add current progression for thread fix
r364 void clear()
{
Alexandre Leroux
Review fixes
r372 QWriteLocker locker{&m_Lock};
Add current progression for thread fix
r364
Alexandre Leroux
Makes clear() and size() methods compatible with two-dimensional ArrayData
r502 auto nbComponents = m_Data.size();
for (auto i = 0; i < nbComponents; ++i) {
m_Data[i].clear();
}
}
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r233
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r124 private:
QVector<QVector<double> > m_Data;
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r364 mutable QReadWriteLock m_Lock;
Alexandre Leroux
Creates ArrayData (struct that holds data as a vector of double)
r124 };
#endif // SCIQLOP_ARRAYDATA_H