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refactor: Optimized for incremental calculation

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Toh4iem9
2025-11-29 13:02:23 +01:00
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Indicators/MyIndicators/Authors/Ehlers/5_Ehlers_Hybrids/MACD_SuperSmoother_Line_Pro.md
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# MACD SuperSmoother Line Professional
# MACD SuperSmoother Line Pro
## 1. Summary (Introduction)
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* **Object-Oriented Design (Composition):** The `CMACDSuperSmootherLineCalculator` class does not re-implement the filter logic. Instead, it **contains two instances** of the `CEhlersSmootherCalculator` class—one for the fast filter and one for the slow one. This is a clean and highly reusable application of the composition design pattern.
* **Factory Method for HA:** A `CreateSmootherInstance` virtual method is used to instantiate the correct type of smoother (`standard` or `_HA`), allowing the Heikin Ashi logic to be cleanly integrated without duplicating the main calculation chain.
* **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.
* **Stability:** The underlying `Ehlers_Smoother_Calculator` uses proper state management for its internal recursive variables, ensuring a stable and accurate output.
* **Factory Method for HA:** A `CreateSmootherInstance` virtual method is used to instantiate the correct type of smoother (`standard` or `_HA`), allowing the Heikin Ashi logic to be cleanly integrated without duplicating the main calculation chain.
## 4. Parameters