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refactor: Optimized for incremental calculation

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Toh4iem9
2025-11-30 11:27:38 +01:00
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Indicators/MyIndicators/StochasticSlow_Pro.md
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# Slow Stochastic Professional # Slow Stochastic Pro
## 1. Summary (Introduction) ## 1. Summary (Introduction)
@@ -38,9 +38,13 @@ Our MQL5 implementation is a robust, unified indicator built on a modular, objec
The entire calculation logic for both standard and Heikin Ashi versions, including the flexible MA smoothing, is encapsulated within a single, powerful include file. The entire calculation logic for both standard and Heikin Ashi versions, including the flexible MA smoothing, is encapsulated within a single, powerful include file.
* An elegant, object-oriented inheritance model (`CStochasticSlowCalculator` and `CStochasticSlowCalculator_HA`) allows the main indicator file to dynamically choose the correct calculation engine at runtime based on user input, eliminating code duplication. * An elegant, object-oriented inheritance model (`CStochasticSlowCalculator` and `CStochasticSlowCalculator_HA`) allows the main indicator file to dynamically choose the correct calculation engine at runtime based on user input, eliminating code duplication.
* **Full MA Type Support:** The calculator contains a complete, robust implementation for all standard MQL5 MA types (SMA, EMA, SMMA, LWMA) for both the "Slowing" and the "%D" smoothing steps. * **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 buffers (like `m_raw_k`) persist their state between ticks. This allows recursive smoothing methods (like EMA and SMMA) to continue seamlessly from the last known value without re-processing the entire history.
* This results in **O(1) complexity** per tick, ensuring instant updates and zero lag, even on charts with extensive history.
* **Stability via Full Recalculation:** We employ a "brute-force" full recalculation within `OnCalculate` to ensure that the multi-stage calculation remains stable and accurate. * **Full MA Type Support:** The calculator contains a complete, robust implementation for all standard MQL5 MA types (SMA, EMA, SMMA, LWMA) for both the "Slowing" and the "%D" smoothing steps.
## 4. Parameters ## 4. Parameters