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#ifndef PROBABILITE_LAW_H
#define PROBABILITE_LAW_H
#include <poincare.h>
#include <escher.h>
#include "../../constant.h"
#include "../../shared/curve_view_range.h"
#include "../../i18n.h"
namespace Probability {
class Law : public Shared::CurveViewRange {
public:
Law();
enum class Type : uint8_t{
Binomial,
Uniform,
Exponential,
Normal,
Poisson
};
virtual ~Law() = default;
virtual I18n::Message title() = 0;
virtual Type type() const = 0;
virtual bool isContinuous() const = 0;
float xGridUnit() override;
virtual int numberOfParameter() = 0;
virtual float parameterValueAtIndex(int index) = 0;
virtual I18n::Message parameterNameAtIndex(int index) = 0;
virtual I18n::Message parameterDefinitionAtIndex(int index) = 0;
virtual void setParameterAtIndex(float f, int index) = 0;
virtual float evaluateAtAbscissa(float x) const = 0;
virtual bool authorizedValueAtIndex(float x, int index) const = 0;
virtual double cumulativeDistributiveFunctionAtAbscissa(double x) const;
double rightIntegralFromAbscissa(double x) const;
double finiteIntegralBetweenAbscissas(double a, double b) const;
virtual double cumulativeDistributiveInverseForProbability(double * probability);
virtual double rightIntegralInverseForProbability(double * probability);
virtual double evaluateAtDiscreteAbscissa(int k) const;
constexpr static int k_maxNumberOfOperations = 1000000;
protected:
static_assert(Constant::LargeNumberOfSignificantDigits == 7, "k_maxProbability is ill-defined compared to LargeNumberOfSignificantDigits");
constexpr static double k_maxProbability = 0.9999995;
constexpr static float k_displayTopMarginRatio = 0.05f;
constexpr static float k_displayBottomMarginRatio = 0.2f;
constexpr static float k_displayLeftMarginRatio = 0.05f;
constexpr static float k_displayRightMarginRatio = 0.05f;
};
}
#endif
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