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refactor: Fixed: Preserved Persistent State on ArrayResize

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This commit is contained in:
Toh4iem9
2026-08-30 10:37:53 +02:00
parent 10c48a2227
commit 24460bce42
1 changed files with 5 additions and 6 deletions
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Include/MyIncludes/Ehlers_Smoother_Calculator.mqh
+5 -6
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@@ -4,7 +4,7 @@
//| Copyright 2026, xxxxxxxx|
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, xxxxxxxx"
#property version "3.25" // 100% Backward Compatible & Robust Composition DSP Engine
#property version "3.30" // Fixed: Preserved Persistent State on ArrayResize
#ifndef EHLERS_SMOOTHER_CALCULATOR_MQH
#define EHLERS_SMOOTHER_CALCULATOR_MQH
@@ -66,7 +66,6 @@ public:
const double &low[], const double &close[],
double &filter_buffer[])
{
// Preserve dynamic applied price passed from legacy caller
if(m_applied_price >= PRICE_CLOSE_STD)
m_applied_price = (ENUM_APPLIED_PRICE_HA_ALL)price_type;
@@ -226,12 +225,11 @@ void CEhlersSmootherCalculator::Calculate(const int rates_total, const int prev_
if(rates_total < 4)
return;
//--- Safe allocation of destination array
//--- Safe allocation of destination array without wiping history
if(ArraySize(filter_buffer) != rates_total)
{
ArrayResize(filter_buffer, rates_total);
ArraySetAsSeries(filter_buffer, false);
ArrayInitialize(filter_buffer, EMPTY_VALUE);
}
int start_index = (prev_calculated == 0) ? 0 : (prev_calculated - 1);
@@ -248,12 +246,13 @@ void CEhlersSmootherCalculator::Calculate(const int rates_total, const int prev_
int loop_start = MathMax(3, start_index);
// Initialization for the seed bars on fresh run
if(prev_calculated == 0 || loop_start == 3)
// Initialization for the seed bars strictly on fresh calculation
if(prev_calculated == 0)
{
filter_buffer[0] = m_price[0];
filter_buffer[1] = m_price[1];
filter_buffer[2] = m_price[2];
loop_start = 3;
}
// Recursive 2-Pole Difference Equation