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pdf.hpp

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 * _____________________________________________________________________________
 *
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#ifndef WNS_EVALUATION_STATISTICS_PDF_HPP
#define WNS_EVALUATION_STATISTICS_PDF_HPP

#include <WNS/evaluation/statistics/stateval.hpp>

#include <vector>

namespace wns { namespace evaluation { namespace statistics {
            class PDF:
        public StatEval
            {
            public:

                enum scaleType
                {
                    logarithmical,
                    linear
                };

                PDF(double minXValue,
                    double maxXValue,
                    unsigned long int resolution,
                    scaleType scaleType,
                    formatType format,
                    std::string name,
                    std::string description);

                PDF(const wns::pyconfig::View& config);

                PDF(const PDF& other);

                virtual ~PDF();

                virtual void
                print(std::ostream& stream = std::cout) const;

                virtual void
                put(double value);

                virtual void
                reset();

            private:

                void
                getResult(unsigned long int index,
                          double& abscissa,
                          double& f,
                          double& G,
                          double& P) const;

                unsigned long int
                getIndex(double value) const;

                double
                getAbscissa(unsigned long int index) const;

                class PercentileError : public std::exception
                {};

                class PercentileUnderFlow : public PercentileError
                {};

                class PercentileOverFlow : public PercentileError
                {};

                double
                getPercentile(int p) const;

                void printPercentile(int p,
                                     std::ostream& stream = std::cout) const;

                double minXValue_;

                double maxXValue_;

                unsigned long int resolution_;

                scaleType scaleType_;

                std::vector<int> values_;

                int underFlows_;

                int overFlows_;

                std::string name_;

                std::string desc;
            };

        } // statistics
    } // evaluation
} // wns

#endif  // WNS_EVALUATION_STATISTICS_PDF_HPP

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