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refactor: Optimized for incremental calculation

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This commit is contained in:
Toh4iem9
2025-12-25 20:16:47 +01:00
parent e023bbde39
commit bacdb2fab0
1 changed files with 16 additions and 8 deletions
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Indicators/MyIndicators/Authors/Ehlers/2_Oscillators/BandPass_Filter_Pro.mq5
+16 -8
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@@ -1,10 +1,9 @@
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
//| BandPass_Filter_Pro.mq5 | //| BandPass_Filter_Pro.mq5 |
//| Copyright 2025, xxxxxxxx| //| Copyright 2025, xxxxxxxx|
//| |
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx" #property copyright "Copyright 2025, xxxxxxxx"
#property version "1.00" #property version "2.00" // Optimized for incremental calculation
#property description "John Ehlers' Band-Pass Filter, created by combining a High-Pass" #property description "John Ehlers' Band-Pass Filter, created by combining a High-Pass"
#property description "filter with a SuperSmoother filter." #property description "filter with a SuperSmoother filter."
@@ -18,14 +17,13 @@
#property indicator_width1 1 #property indicator_width1 1
#property indicator_level1 0.0 #property indicator_level1 0.0
#property indicator_levelstyle STYLE_SOLID #property indicator_levelstyle STYLE_DOT
#property indicator_levelcolor clrGray
#include <MyIncludes\BandPass_Calculator.mqh> #include <MyIncludes\BandPass_Calculator.mqh>
//--- Input Parameters --- //--- Input Parameters ---
input int InpLowerPeriod = 30; // Lower critical period (for High-Pass) input int InpLowerPeriod = 30; // Lower critical period (High-Pass Cutoff)
input int InpUpperPeriod = 15; // Upper critical period (for SuperSmoother) input int InpUpperPeriod = 15; // Upper critical period (Low-Pass Cutoff)
input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD; input ENUM_APPLIED_PRICE_HA_ALL InpSourcePrice = PRICE_CLOSE_STD;
//--- Indicator Buffers --- //--- Indicator Buffers ---
@@ -71,7 +69,16 @@ void OnDeinit(const int reason)
} }
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
int OnCalculate(const int rates_total, const int, const datetime&[], const double &open[], const double &high[], const double &low[], const double &close[], const long&[], const long&[], const int&[]) int OnCalculate(const int rates_total,
const int prev_calculated,
const datetime &time[],
const double &open[],
const double &high[],
const double &low[],
const double &close[],
const long &tick_volume[],
const long &volume[],
const int &spread[])
{ {
if(CheckPointer(g_calculator) == POINTER_INVALID) if(CheckPointer(g_calculator) == POINTER_INVALID)
return 0; return 0;
@@ -82,7 +89,8 @@ int OnCalculate(const int rates_total, const int, const datetime&[], const doubl
else else
price_type = (ENUM_APPLIED_PRICE)InpSourcePrice; price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferBandPass); g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, BufferBandPass);
return(rates_total); return(rates_total);
} }
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
//+------------------------------------------------------------------+