add MQL5Test Workspace Content as BKP Solution ...
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///////////////////////////////////////////////////////
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//
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// SaherElm IT Center MQL5 Hull Class Library
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// ----------------------------------------------
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// Name: XSCHull
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// Description: provides all Hull requirements ...
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//
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//
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// Maintainer:
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// ------------
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// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
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//
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//////////////////////////////////////////////////////
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//
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// Global Properties ...
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#property library
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#property copyright "Copyright 2023, SaherElm IT Center"
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#property link "https://www.saherelm.ir"
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#property version "1.00"
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#property strict
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//
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// START Definitions ...
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//
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//
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struct XHullData
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{
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//
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double value;
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double value3;
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//
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double wsum1;
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double wsum2;
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double wsum3;
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//
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double lsum1;
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double lsum2;
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double lsum3;
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};
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//
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// END Definitions ...
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//
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//
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// START Import and Inclused requirements ...
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//
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//
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// Includes ...
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#include "../Libraries/x-saherelm.log.lib.mq5"
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#include "../Libraries/x-saherelm.models.lib.mq5"
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#include "../Libraries/x-saherelm.common.lib.mq5"
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//
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// END Import and Inclused requirements ...
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//
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//
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// START Overrides ...
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//
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//
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// END Overrides ...
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//
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//
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// a Class For Hull Calculations ...
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class XSCHull
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{
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//
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public:
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//
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// Constructor ...
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XSCHull() : mFullPeriod(1), mHalfPeriod(1), mSqrtPeriod(1), mArraySize(-1)
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{
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//
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// These are a way above to assign Private variables at Construct time ...
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}
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//
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// Deconstructor ...
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~XSCHull()
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{
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ArrayFree(mData);
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}
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//
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// Initial Hull ...
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bool Init(int period, double divisor)
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{
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//
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bool result = false;
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//
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mFullPeriod = (int)(period > 1 ? period : 1);
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mHalfPeriod = (int)(mFullPeriod > 1 ? mFullPeriod / (divisor > 1 ? divisor : 1) : 1);
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mSqrtPeriod = (int)MathSqrt(mFullPeriod);
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//
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mArraySize = -1;
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mWeight1 = mWeight2 = mWeight3 = 1;
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//
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result = true;
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//
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return result;
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}
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//
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// CalCulate Specific Value ...
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double Calculate(
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double value,
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int i,
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int bars)
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{
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//
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double result = 0;
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//
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if (mArraySize < bars)
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{
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//
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mArraySize = ArrayResize(mData, bars + 500);
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if (mArraySize < bars)
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return result;
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}
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//
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mData[i].value = value;
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if (i > mFullPeriod)
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{
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//
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mData[i].wsum1 = mData[i - 1].wsum1 + value * mHalfPeriod - mData[i - 1].lsum1;
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mData[i].lsum1 = mData[i - 1].lsum1 + value - mData[i - mHalfPeriod].value;
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mData[i].wsum2 = mData[i - 1].wsum2 + value * mFullPeriod - mData[i - 1].lsum2;
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mData[i].lsum2 = mData[i - 1].lsum2 + value - mData[i - mFullPeriod].value;
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}
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else
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{
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//
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mData[i].wsum1 = mData[i].wsum2 =
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mData[i].lsum1 = mData[i].lsum2 = mWeight1 = mWeight2 = 0;
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for (int k = 0, w1 = mHalfPeriod, w2 = mFullPeriod; w2 > 0 && i >= k; k++, w1--, w2--)
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{
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//
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if (w1 > 0)
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{
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//
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mData[i].wsum1 += mData[i - k].value * w1;
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mData[i].lsum1 += mData[i - k].value;
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mWeight1 += w1;
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}
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//
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mData[i].wsum2 += mData[i - k].value * w2;
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mData[i].lsum2 += mData[i - k].value;
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mWeight2 += w2;
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}
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}
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//
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mData[i].value3 = 2.0 * mData[i].wsum1 / mWeight1 - mData[i].wsum2 / mWeight2;
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//
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if (i > mSqrtPeriod)
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{
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//
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mData[i].wsum3 = mData[i - 1].wsum3 + mData[i].value3 * mSqrtPeriod - mData[i - 1].lsum3;
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mData[i].lsum3 = mData[i - 1].lsum3 + mData[i].value3 - mData[i - mSqrtPeriod].value3;
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}
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else
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{
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//
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mData[i].wsum3 =
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mData[i].lsum3 = mWeight3 = 0;
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//
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for (int k = 0, w3 = mSqrtPeriod; w3 > 0 && i >= k; k++, w3--)
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{
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//
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mData[i].wsum3 += mData[i - k].value3 * w3;
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mData[i].lsum3 += mData[i - k].value3;
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mWeight3 += w3;
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}
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}
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//
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result = mData[i].wsum3 / mWeight3;
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//
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return result;
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}
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//
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// Protected ...
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protected:
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//
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// Private ...
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private:
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//
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int mFullPeriod;
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int mHalfPeriod;
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int mSqrtPeriod;
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int mArraySize;
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double mWeight1;
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double mWeight2;
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double mWeight3;
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//
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XHullData mData[];
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};
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