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refactor: Optimized for incremental calculation

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Toh4iem9
2025-11-28 22:49:17 +01:00
parent 4aebf237a8
commit 06317c70cc
1 changed files with 18 additions and 5 deletions
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Indicators/MyIndicators/Authors/Ehlers/5_Ehlers_Hybrids/MACD_Laguerre_Histogram_Pro.mq5
+18 -5
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@@ -1,11 +1,9 @@
//+------------------------------------------------------------------+
//| MACD_Laguerre_Histogram_Pro.mq5 |
//| Copyright 2025, xxxxxxxx|
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property link ""
#property version "1.10" // Added selectable signal line type
#property version "1.20" // Optimized for incremental calculation
#property description "Histogram for the Laguerre MACD with a selectable signal line."
#property indicator_separate_window
@@ -72,12 +70,27 @@ int OnInit()
void OnDeinit(const int reason) { if(CheckPointer(g_calculator) != POINTER_INVALID) delete g_calculator; }
//+------------------------------------------------------------------+
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&[])
//| Custom indicator calculation function |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
const int prev_calculated, // <--- Now used!
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)
return 0;
ENUM_APPLIED_PRICE price_type = (InpSourcePrice <= PRICE_HA_CLOSE) ? (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice) : (ENUM_APPLIED_PRICE)InpSourcePrice;
g_calculator.Calculate(rates_total, open, high, low, close, price_type, BufferHistogram);
//--- Delegate calculation with prev_calculated optimization
g_calculator.Calculate(rates_total, prev_calculated, open, high, low, close, price_type, BufferHistogram);
return(rates_total);
}
//+------------------------------------------------------------------+