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refactor: Optimized for incremental calculation

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Toh4iem9
2025-12-07 13:28:18 +01:00
parent 5afefc51d3
commit 2c3a07b4ef
1 changed files with 6 additions and 11 deletions
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Indicators/MyIndicators/ALMA_Pro.mq5
+6 -11
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@@ -1,11 +1,9 @@
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
//| ALMA_Pro.mq5 | //| ALMA_Pro.mq5 |
//| Copyright 2025, xxxxxxxx| //| Copyright 2025, xxxxxxxx|
//| |
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx" #property copyright "Copyright 2025, xxxxxxxx"
#property link "" #property version "3.10" // Optimized for incremental calculation
#property version "3.00"
#property description "Professional Arnaud Legoux Moving Average (ALMA) with selectable" #property description "Professional Arnaud Legoux Moving Average (ALMA) with selectable"
#property description "price source, including standard and Heikin Ashi candles." #property description "price source, including standard and Heikin Ashi candles."
@@ -82,10 +80,10 @@ void OnDeinit(const int reason)
} }
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
//| Custom indicator calculation function. | //| Custom indicator calculation function |
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+
int OnCalculate(const int rates_total, int OnCalculate(const int rates_total,
const int prev_calculated, const int prev_calculated, // <--- Now used!
const datetime &time[], const datetime &time[],
const double &open[], const double &open[],
const double &high[], const double &high[],
@@ -95,21 +93,18 @@ int OnCalculate(const int rates_total,
const long &volume[], const long &volume[],
const int &spread[]) const int &spread[])
{ {
//--- Ensure the calculator object is valid
if(CheckPointer(g_calculator) == POINTER_INVALID) if(CheckPointer(g_calculator) == POINTER_INVALID)
return 0; return 0;
//--- Convert our custom enum to the standard ENUM_APPLIED_PRICE
ENUM_APPLIED_PRICE price_type; ENUM_APPLIED_PRICE price_type;
if(InpSourcePrice <= PRICE_HA_CLOSE) if(InpSourcePrice <= PRICE_HA_CLOSE)
price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice); // Convert e.g. -1 to 1 (PRICE_CLOSE) price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
else else
price_type = (ENUM_APPLIED_PRICE)InpSourcePrice; price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
//--- Delegate the entire calculation to our calculator object //--- Delegate calculation with prev_calculated optimization
g_calculator.Calculate(rates_total, price_type, open, high, low, close, BufferALMA); g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, BufferALMA);
//--- Return rates_total for a full recalculation, ensuring stability
return(rates_total); return(rates_total);
} }
//+------------------------------------------------------------------+ //+------------------------------------------------------------------+