#ifndef GTL_MATH_DIFF_H
#define GTL_MATH_DIFF_H

#include "core/gtl_analog_data.h"

#include "math_global.h"

namespace gtl
{
    namespace math
    {
        class MATH_EXPORT diff : public gtl::analog_data
        {
            Q_OBJECT
            Q_PROPERTY(int taps READ taps WRITE set_taps NOTIFY taps_changed)
//            Q_PROPERTY(int delay READ delay WRITE set_delay NOTIFY delay_changed)

        public:
            diff(gtl::analog_data* parent, bool is_hidden = false);
            ~diff();

            int taps() const;
//            int delay() const;

        protected:
            virtual void set_data(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end) override;

        private:
            void init();
            void process(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end);

        private:
            int _taps;
//            int _delay;
            std::vector<qreal> *_delays = NULL;

        public slots:
            void set_taps(int value);
//            void set_delay(int value);

        signals:
            void taps_changed();
//            void delay_changed();
        };
    }
}

#endif // GTL_MATH_DIFF_H