Files
Upsilon/apps/probability/distribution/exponential_distribution.h
2019-08-20 17:16:19 +02:00

35 lines
1.1 KiB
C++

#ifndef PROBABILITE_EXPONENTIAL_DISTRIBUTION_H
#define PROBABILITE_EXPONENTIAL_DISTRIBUTION_H
#include "one_parameter_distribution.h"
#include <assert.h>
namespace Probability {
class ExponentialDistribution final : public OneParameterDistribution {
public:
ExponentialDistribution() : OneParameterDistribution(1.0f) {}
I18n::Message title() override { return I18n::Message::ExponentialDistribution; }
Type type() const override { return Type::Exponential; }
bool isContinuous() const override { return true; }
float xMin() const override;
float xMax() const override;
float yMax() const override;
I18n::Message parameterNameAtIndex(int index) override {
assert(index == 0);
return I18n::Message::Lambda;
}
I18n::Message parameterDefinitionAtIndex(int index) override {
assert(index == 0);
return I18n::Message::LambdaExponentialDefinition;
}
float evaluateAtAbscissa(float x) const override;
bool authorizedValueAtIndex(float x, int index) const override;
double cumulativeDistributiveFunctionAtAbscissa(double x) const override;
double cumulativeDistributiveInverseForProbability(double * probability) override;
};
}
#endif