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60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
#ifndef STATISTICS_STORE_H
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#define STATISTICS_STORE_H
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#include "../shared/memoized_curve_view_range.h"
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#include "../shared/float_pair_store.h"
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namespace Statistics {
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class Store : public Shared::MemoizedCurveViewRange, public Shared::FloatPairStore {
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public:
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Store();
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uint32_t barChecksum();
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// Histogram bars
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float barWidth();
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void setBarWidth(float barWidth);
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float firstDrawnBarAbscissa();
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void setFirstDrawnBarAbscissa(float firstDrawnBarAbscissa);
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float heightOfBarAtIndex(int index);
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float heightOfBarAtValue(float value);
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float startOfBarAtIndex(int index);
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float endOfBarAtIndex(int index);
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int numberOfBars();
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// return true if the window has scrolled
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bool scrollToSelectedBarIndex(int index);
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// Calculation
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double sumOfOccurrences();
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double maxValue();
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double minValue();
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double range();
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double mean();
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double variance();
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double standardDeviation();
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double firstQuartile();
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double thirdQuartile();
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double quartileRange();
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double median();
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double sum();
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double squaredValueSum();
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constexpr static float k_maxNumberOfBars = 10000.0f;
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constexpr static float k_displayTopMarginRatio = 0.1f;
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constexpr static float k_displayRightMarginRatio = 0.04f;
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constexpr static float k_displayBottomMarginRatio = 0.4f;
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constexpr static float k_displayLeftMarginRatio = 0.04f;
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private:
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double defaultValue(int i) override;
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float sumOfValuesBetween(float x1, float x2);
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double sortedElementNumber(int k);
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int minIndex(double * bufferValues, int bufferLength);
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// Histogram bars
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float m_barWidth;
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float m_firstDrawnBarAbscissa;
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};
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typedef double (Store::*CalculPointer)();
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}
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#endif
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