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refactor: Optimized for incremental calculation

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Toh4iem9
2025-12-16 21:37:36 +01:00
parent b1d0b12f56
commit 971cbb44e9
1 changed files with 23 additions and 5 deletions
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Indicators/MyIndicators/Authors/Kaufman/KAMA_Pro.mq5
+23 -5
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@@ -1,10 +1,9 @@
//+------------------------------------------------------------------+
//| KAMA_Pro.mq5|
//| Copyright 2025, xxxxxxxx|
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, xxxxxxxx"
#property version "1.00"
#property version "2.10" // Optimized for incremental calculation
#property description "Perry Kaufman's Adaptive Moving Average (KAMA)."
#property description "Adapts its speed based on market volatility."
@@ -64,12 +63,31 @@ 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, price_type, open, high, low, close, BufferKAMA);
ENUM_APPLIED_PRICE price_type;
if(InpSourcePrice <= PRICE_HA_CLOSE)
price_type = (ENUM_APPLIED_PRICE)(-(int)InpSourcePrice);
else
price_type = (ENUM_APPLIED_PRICE)InpSourcePrice;
//--- Delegate calculation with prev_calculated optimization
g_calculator.Calculate(rates_total, prev_calculated, price_type, open, high, low, close, BufferKAMA);
return(rates_total);
}
//+------------------------------------------------------------------+