amirghadiri1987
57 lines
4.4 KiB
Plaintext
57 lines
4.4 KiB
Plaintext
//+------------------------------------------------------------------+
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//| RingBuffer.mqh |
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//| Copyright 2016, Vasiliy Sokolov. |
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//| http://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2016, Vasiliy Sokolov."
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#property link "http://www.mql5.com"
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#include "RiBuffDbl.mqh"
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//+------------------------------------------------------------------+
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//| Calculate moving average in the ring buffer |
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//+------------------------------------------------------------------+
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class CRiSMA : public CRiBuffDbl
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{
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private:
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double m_sum;
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protected:
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virtual void OnAddValue(double value);
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virtual void OnRemoveValue(double value);
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virtual void OnChangeValue(int index, double del_value, double new_value);
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public:
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CRiSMA(void);
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double SMA(void);
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};
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CRiSMA::CRiSMA(void) : m_sum(0.0)
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{
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}
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//+------------------------------------------------------------------+
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//| Increase the total sum |
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//+------------------------------------------------------------------+
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void CRiSMA::OnAddValue(double value)
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{
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m_sum += value;
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}
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//+------------------------------------------------------------------+
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//| Decrease the total sum |
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//+------------------------------------------------------------------+
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void CRiSMA::OnRemoveValue(double value)
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{
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m_sum -= value;
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}
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//+------------------------------------------------------------------+
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//| Change the total sum |
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//+------------------------------------------------------------------+
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void CRiSMA::OnChangeValue(int index,double del_value,double new_value)
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{
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m_sum -= del_value;
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m_sum += new_value;
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}
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//+------------------------------------------------------------------+
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//| Get the simple moving average |
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//+------------------------------------------------------------------+
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double CRiSMA::SMA(void)
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{
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return m_sum/GetTotal();
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} |