34 lines
835 B
C
34 lines
835 B
C
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#ifndef GTL_MATH_VAR_H
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#define GTL_MATH_VAR_H
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#include "gtl_math_analog_value.h"
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#include "math_global.h"
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namespace gtl {
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namespace math {
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class MATH_EXPORT var : public analog_value
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{
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Q_OBJECT
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public:
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var(gtl::analog_data *data);
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protected:
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void before_copying_data(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end) override;
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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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void data_changed() override;
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private:
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qreal variance(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end);
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qreal _variance;
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};
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} // namespace math
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} // namespace gtl
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#endif // GTL_MATH_VAR_H
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