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Toh4iem9
70 lines
3.3 KiB
Plaintext
70 lines
3.3 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Holt_Oscillator_Calculator.mqh|
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//| Wrapper for the Holt_Engine to produce Oscillator output. |
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//| Copyright 2025, xxxxxxxx |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2025, xxxxxxxx"
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#include <MyIncludes\Holt_Engine.mqh>
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//--- Base class for polymorphism
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class CHoltOscillatorCalculator
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{
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public:
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virtual bool Init(int period, double alpha, double beta)=0;
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virtual void Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &osc_buffer[])=0;
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};
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//--- Standard version
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class CHoltOscillatorCalculator_Std : public CHoltOscillatorCalculator
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{
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protected:
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CHoltEngine *m_engine;
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public:
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CHoltOscillatorCalculator_Std(void) { m_engine = new CHoltEngine(); }
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~CHoltOscillatorCalculator_Std(void) { if(CheckPointer(m_engine)!=POINTER_INVALID) delete m_engine; }
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virtual bool Init(int period, double alpha, double beta) override { return m_engine.Init(period, alpha, beta, 1); } // Forecast period is not used
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virtual void Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &osc_buffer[]) override
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{
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if(CheckPointer(m_engine)==POINTER_INVALID)
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return;
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double dummy_forecast[], dummy_level[], dummy_upper[], dummy_lower[];
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ArrayResize(dummy_forecast, rates_total);
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ArrayResize(dummy_level, rates_total);
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ArrayResize(dummy_upper, rates_total);
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ArrayResize(dummy_lower, rates_total);
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// Pass the osc_buffer to the correct 'trend_out' parameter
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m_engine.Calculate(rates_total, price_type, open, high, low, close, dummy_forecast, osc_buffer, dummy_level, dummy_upper, dummy_lower);
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}
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};
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//--- HA version
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class CHoltOscillatorCalculator_HA : public CHoltOscillatorCalculator
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{
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protected:
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CHoltEngine *m_engine;
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public:
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CHoltOscillatorCalculator_HA(void) { m_engine = new CHoltEngine_HA(); }
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~CHoltOscillatorCalculator_HA(void) { if(CheckPointer(m_engine)!=POINTER_INVALID) delete m_engine; }
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virtual bool Init(int period, double alpha, double beta) override { return m_engine.Init(period, alpha, beta, 1); } // Forecast period is not used
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virtual void Calculate(int rates_total, ENUM_APPLIED_PRICE price_type, const double &open[], const double &high[], const double &low[], const double &close[], double &osc_buffer[]) override
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{
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if(CheckPointer(m_engine)==POINTER_INVALID)
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return;
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double dummy_forecast[], dummy_level[], dummy_upper[], dummy_lower[];
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ArrayResize(dummy_forecast, rates_total);
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ArrayResize(dummy_level, rates_total);
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ArrayResize(dummy_upper, rates_total);
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ArrayResize(dummy_lower, rates_total);
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// Pass the osc_buffer to the correct 'trend_out' parameter
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m_engine.Calculate(rates_total, price_type, open, high, low, close, dummy_forecast, osc_buffer, dummy_level, dummy_upper, dummy_lower);
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}
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};
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//+------------------------------------------------------------------+
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