104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
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#ifndef GTL_MATH_DELTA_PHASE_H
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#define GTL_MATH_DELTA_PHASE_H
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#include <QObject>
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#include <QDateTime>
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#include "gtl_math_analog_value.h"
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#include "math_global.h"
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#include "core/gtl_analog_data.h"
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#include "gtl_math_freq.h"
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namespace gtl {
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namespace math {
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class last_front : public analog_value
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{
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Q_OBJECT
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public:
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last_front(gtl::analog_data *data)
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: analog_value(data)
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, _front(-1)
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, _freq(100)
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{
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}
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int front(){return _front;}
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void set_freq(qreal value)
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{
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if(value != _freq && value > 0)
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{
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_freq = value;
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analog_value::set_time(1.1/_freq);
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_front = -1;
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}
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}
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qreal freq(){return _freq;}
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virtual void set_time(qreal value) override{ analog_value::set_time(value); }
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private:
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virtual void before_copying_data(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end) override{}
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virtual void after_copying_data(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end) override{}
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protected slots:
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virtual void data_changed() override
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{
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_ad->lock_device();
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if(_ad->size() >= _data.size())
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{
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std::copy(_ad->end() - _data.size(), _ad->end(), _data.begin());
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}
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else
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{
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int dif = _data.size() - _ad->size();
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std::copy(_data.end() - dif, _data.end(), _data.begin());
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std::copy(_ad->begin(), _ad->end(), _data.begin() + dif);
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}
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_ad->unlock_device();
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qreal dc = 0;//std::accumulate(_data.begin(), _data.end(), 0.0)/_data.size();
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for(int i = _data.size() - 1; i > 0; --i)
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{
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if(_data[i] >= dc && _data[i-1] < dc)
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{
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_front = _data.size() - i;
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break;
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}
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}
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}
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private:
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int _front;
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qreal _freq;
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};
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class MATH_EXPORT delta_phase : public last_front
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{
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Q_OBJECT
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public:
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delta_phase(gtl::analog_data *ref, gtl::analog_data *data);
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~delta_phase();
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virtual void set_time(qreal value) override;
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private:
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last_front* _ref = NULL;
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last_front* _data = NULL;
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gtl::math::freq *_freq = NULL;
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private:
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virtual void before_copying_data(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end) override;
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virtual void after_copying_data(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end) override;
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protected slots:
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virtual void data_changed() override;
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};
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} // namespace math
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} // namespace gtl
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#endif // GTL_MATH_DELTA_PHASE_H
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