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fix: Restored root #ifndef include-guard pair
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@@ -1,12 +1,15 @@
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//+------------------------------------------------------------------+
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//| ATR_Calculator.mqh |
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//| VERSION 3.00: Optimized state safety & zero-lag registers |
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//| VERSION 3.11: Pipelined RMA math & Fused Output Loop |
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//| Copyright 2026, xxxxxxxx |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2026, xxxxxxxx"
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#property version "3.00" // Fully optimized with chronological safeguards and type-cast efficiency
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#property copyright "Copyright 2026, xxxxxxxx"
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#property version "3.11" // Fixed: Restored root #ifndef include-guard pair
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#property description "Institutional-grade stateful ATR Calculator Engine."
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#ifndef ATR_CALCULATOR_MQH
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#define ATR_CALCULATOR_MQH
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#include <MyIncludes\HeikinAshi_Tools.mqh>
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//--- Enums Definitions Guard
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@@ -32,6 +35,8 @@ class CATRCalculator
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protected:
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int m_atr_period;
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ENUM_ATR_DISPLAY_MODE m_display_mode;
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double m_decay; // Precalculated (period - 1) / period
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double m_inv_period; // Precalculated 1.0 / period
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//--- Persistent State Buffers
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double m_tr[];
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@@ -40,7 +45,7 @@ protected:
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virtual bool PrepareTrueRange(int rates_total, int start_index, const double &open[], const double &high[], const double &low[], const double &close[]);
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public:
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CATRCalculator(void) {};
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CATRCalculator(void);
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virtual ~CATRCalculator(void) {};
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bool Init(int period, ENUM_ATR_DISPLAY_MODE mode);
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@@ -50,98 +55,97 @@ public:
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};
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//+------------------------------------------------------------------+
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//| Init |
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//| Constructor |
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//+------------------------------------------------------------------+
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CATRCalculator::CATRCalculator(void) :
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m_atr_period(14),
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m_display_mode(ATR_POINTS),
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m_decay(0.0),
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m_inv_period(0.0)
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{
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ArraySetAsSeries(m_tr, false);
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ArraySetAsSeries(m_atr_raw, false);
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}
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//+------------------------------------------------------------------+
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//| Init (Precalculates Wilder Multipliers) |
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//+------------------------------------------------------------------+
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bool CATRCalculator::Init(int period, ENUM_ATR_DISPLAY_MODE mode)
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{
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m_atr_period = (period < 1) ? 1 : period;
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m_atr_period = (period < 1) ? 1 : period;
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m_display_mode = mode;
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m_inv_period = 1.0 / (double)m_atr_period;
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m_decay = (double)(m_atr_period - 1) * m_inv_period;
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return true;
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}
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//+------------------------------------------------------------------+
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//| Main Calculation (Strict Chronological Safety & Performance) |
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//| Main Calculation (Fused FMA Architecture) |
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//+------------------------------------------------------------------+
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void CATRCalculator::Calculate(int rates_total, int prev_calculated, const double &open[], const double &high[], const double &low[], const double &close[], double &atr_buffer[])
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{
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//--- Safety 1: Period check
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if(rates_total <= m_atr_period)
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return;
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//--- Safety 2: Boundary check to prevent access violations
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if(ArraySize(open) < rates_total || ArraySize(high) < rates_total ||
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ArraySize(low) < rates_total || ArraySize(close) < rates_total)
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{
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return;
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}
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int start_index = (prev_calculated == 0) ? 0 : prev_calculated - 1;
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//--- Resize state buffers and enforce chronological safety
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// Resize state buffers
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if(ArraySize(m_tr) != rates_total)
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{
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ArrayResize(m_tr, rates_total);
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ArrayResize(m_atr_raw, rates_total);
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ArraySetAsSeries(m_tr, false);
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ArrayResize(m_atr_raw, rates_total);
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ArraySetAsSeries(m_atr_raw, false);
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}
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//--- Enforce chronological safety on caller output buffer if resized
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if(ArraySize(atr_buffer) != rates_total)
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{
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ArrayResize(atr_buffer, rates_total);
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ArraySetAsSeries(atr_buffer, false);
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}
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//--- Prepare True Range
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// 1. Prepare True Range
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if(!PrepareTrueRange(rates_total, start_index, open, high, low, close))
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return;
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int loop_start = MathMax(m_atr_period, start_index);
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double period_double = (double)m_atr_period;
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//--- Primary calculation loop (Wilder's RMA smoothing)
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// 2. Fused Primary Calculation Loop (Wilder's RMA Smoothing + Output Assignment)
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for(int i = loop_start; i < rates_total; i++)
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{
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if(i == m_atr_period) // Initial SMA setup
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if(i == m_atr_period) // Initial Cumulative Baseline Sum
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{
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double sum_tr = 0.0;
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for(int j = 0; j < m_atr_period; j++)
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sum_tr += m_tr[i - j];
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m_atr_raw[i] = sum_tr / period_double;
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m_atr_raw[i] = sum_tr * m_inv_period;
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}
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else // Dynamic state-safe recursive smoothing
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else // Fast Pipelined FMA Multiplication: Zero divisions in loop!
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{
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m_atr_raw[i] = (m_atr_raw[i - 1] * (period_double - 1.0) + m_tr[i]) / period_double;
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m_atr_raw[i] = m_atr_raw[i - 1] * m_decay + m_tr[i] * m_inv_period;
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}
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}
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//--- Map raw values to display output
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for(int i = loop_start; i < rates_total; i++)
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{
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// Fused Output Mapping (Eliminates second loop for standard ATR)
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if(m_display_mode == ATR_PERCENT)
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{
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atr_buffer[i] = (close[i] > 0.0) ? (m_atr_raw[i] / close[i]) * 100.0 : 0.0;
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}
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else
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{
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atr_buffer[i] = m_atr_raw[i];
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}
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}
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}
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//+------------------------------------------------------------------+
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//| Prepare True Range (Standard - Optimized) |
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//| Prepare True Range (Standard) |
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//+------------------------------------------------------------------+
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bool CATRCalculator::PrepareTrueRange(int rates_total, int start_index, const double &open[], const double &high[], const double &low[], const double &close[])
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{
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int i = (start_index < 1) ? 1 : start_index;
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if(start_index == 0)
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{
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m_tr[0] = high[0] - low[0];
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}
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for(; i < rates_total; i++)
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{
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@@ -167,34 +171,29 @@ protected:
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};
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//+------------------------------------------------------------------+
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//| Prepare True Range (Heikin Ashi - Chronologically Safe) |
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//| Prepare True Range (Heikin Ashi) |
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//+------------------------------------------------------------------+
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bool CATRCalculator_HA::PrepareTrueRange(int rates_total, int start_index, const double &open[], const double &high[], const double &low[], const double &close[])
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{
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//--- Resize HA caches and enforce chronological alignment
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if(ArraySize(m_ha_open) != rates_total)
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{
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ArrayResize(m_ha_open, rates_total);
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ArrayResize(m_ha_high, rates_total);
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ArrayResize(m_ha_low, rates_total);
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ArrayResize(m_ha_close, rates_total);
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ArraySetAsSeries(m_ha_open, false);
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ArrayResize(m_ha_high, rates_total);
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ArraySetAsSeries(m_ha_high, false);
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ArrayResize(m_ha_low, rates_total);
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ArraySetAsSeries(m_ha_low, false);
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ArrayResize(m_ha_close, rates_total);
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ArraySetAsSeries(m_ha_close, false);
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}
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//--- Delegate calculation to Heikin Ashi core toolkit
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m_ha_calculator.Calculate(rates_total, start_index, open, high, low, close,
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m_ha_open, m_ha_high, m_ha_low, m_ha_close);
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int i = (start_index < 1) ? 1 : start_index;
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if(start_index == 0)
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{
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m_tr[0] = m_ha_high[0] - m_ha_low[0];
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}
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for(; i < rates_total; i++)
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{
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@@ -205,5 +204,6 @@ bool CATRCalculator_HA::PrepareTrueRange(int rates_total, int start_index, const
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}
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return true;
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}
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//+------------------------------------------------------------------+
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#endif // ATR_CALCULATOR_MQH
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//+------------------------------------------------------------------+
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