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refactor: Optimized for incremental calculation

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Toh4iem9
2025-11-29 13:19:29 +01:00
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Indicators/MyIndicators/Authors/Ehlers/5_Ehlers_Hybrids/MACD_SuperSmoother_Histogram_Pro.md
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# MACD SuperSmoother Histogram Professional
# MACD SuperSmoother Histogram Pro
## 1. Summary (Introduction)
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* **Self-Contained Calculation:** The indicator is fully self-contained. Its engine (`MACD_SuperSmoother_Histogram_Calculator.mqh`) internally recalculates the entire SuperSmoother MACD line using our robust `Ehlers_Smoother_Calculator`.
* **Flexible Signal Line Calculation:** The calculator uses a universal `CalculateMA` helper function to apply the user's chosen smoothing method for the signal line. This includes a dedicated, state-managed calculation for the `SuperSmoother` option, ensuring its stability.
* **Optimized Incremental Calculation:**
Unlike basic implementations that recalculate the entire history on every tick, this indicator employs an intelligent incremental algorithm.
* It utilizes the `prev_calculated` state to determine the exact starting point for updates.
* **Persistent State:** The internal SuperSmoother engines persist their state (`f1`, `f2`) between ticks, allowing the recursive calculation to continue seamlessly from the last known value.
* This results in **O(1) complexity** per tick, ensuring instant updates and zero lag, even on charts with extensive history.
* **Flexible Signal Line Calculation:** The calculator dynamically instantiates either a third `Ehlers_Smoother_Calculator` or a `MovingAverage_Engine` for the signal line, depending on the user's choice. This ensures that the signal line calculation is also fully optimized and incremental.
* **Object-Oriented Design (Inheritance):** The standard `_HA` derived class architecture is used to seamlessly support calculations on Heikin Ashi price data.