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refactor(indicators): Optimized for incremental calculation

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Toh4iem9
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Indicators/MyIndicators/Authors/Ehlers/1_Smoothers/ZeroLag_EMA_Pro.md
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@@ -38,9 +38,16 @@ This method uses a feedback loop to continuously adjust the filter's responsiven
## 3. MQL5 Implementation Details
Our MQL5 implementation follows a modern, object-oriented design to ensure stability and performance.
* **Dual-Mode Calculator (`ZeroLag_EMA_Calculator.mqh`):** The calculator class contains both calculation methods, selectable via a boolean flag during initialization.
* **Optimized Incremental Calculation (O(1)):**
Unlike basic implementations that recalculate the entire history on every tick, this indicator employs an intelligent incremental algorithm.
* **State Tracking:** It utilizes `prev_calculated` to process only new bars.
* **Persistent Buffers:** The internal buffers (for EMA1/EMA2 or EMA/EC) persist their state between ticks. This allows the recursive calculations to continue seamlessly from the last known values without re-processing the entire history.
* **Heikin Ashi Integration:** An inherited `_HA` class allows both modes to be calculated seamlessly on smoothed Heikin Ashi data.
* **Stability via Full Recalculation:** Both modes are recursive. The indicator employs a full recalculation on every `OnCalculate` call to ensure stability.
## 4. Parameters