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#ifndef STATISTICS_STORE_H
#define STATISTICS_STORE_H
#include "../shared/memoized_curve_view_range.h"
#include "../shared/double_pair_store.h"
namespace Statistics {
class Store : public Shared::MemoizedCurveViewRange, public Shared::DoublePairStore {
public:
Store();
uint32_t barChecksum() const;
// Histogram bars
double barWidth() const { return m_barWidth; }
void setBarWidth(double barWidth);
double firstDrawnBarAbscissa() const { return m_firstDrawnBarAbscissa; }
void setFirstDrawnBarAbscissa(double firstDrawnBarAbscissa) { m_firstDrawnBarAbscissa = firstDrawnBarAbscissa;}
double heightOfBarAtIndex(int series, int index) const;
double heightOfBarAtValue(int series, double value) const;
double startOfBarAtIndex(int series, int index) const;
double endOfBarAtIndex(int series, int index) const;
double numberOfBars(int series) const;
// return true if the window has scrolled
bool scrollToSelectedBarIndex(int series, int index);
bool isEmpty() const override;
bool seriesIsEmpty(int i) const override;
int numberOfNonEmptySeries() const override;
// Calculation
double sumOfOccurrences(int series) const;
double maxValueForAllSeries() const;
double minValueForAllSeries() const;
double maxValue(int series) const;
double minValue(int series) const;
double range(int series) const;
double mean(int series) const;
double variance(int series) const;
double standardDeviation(int series) const;
double sampleStandardDeviation(int series) const;
double firstQuartile(int series) const;
double thirdQuartile(int series) const;
double quartileRange(int series) const;
double median(int series) const;
double sum(int series) const;
double squaredValueSum(int series) const;
constexpr static double k_maxNumberOfBars = 10000.0;
constexpr static float k_displayTopMarginRatio = 0.1f;
constexpr static float k_displayRightMarginRatio = 0.04f;
constexpr static int k_bottomMargin = 20;
constexpr static float k_displayLeftMarginRatio = 0.04f;
// DoublePairStore
void set(double f, int series, int i, int j) override;
void deletePairOfSeriesAtIndex(int series, int j) override;
void deleteAllPairsOfSeries(int series) override;
void updateNonEmptySeriesCount();
private:
double defaultValue(int series, int i, int j) const override;
double sumOfValuesBetween(int series, double x1, double x2) const;
double sortedElementAtCumulatedFrequency(int series, double k, bool createMiddleElement = false) const;
int minIndex(double * bufferValues, int bufferLength) const;
// Histogram bars
double m_barWidth;
double m_firstDrawnBarAbscissa;
bool m_seriesEmpty[k_numberOfSeries];
int m_numberOfNonEmptySeries;
};
typedef double (Store::*CalculPointer)(int) const;
}
#endif
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