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79 lines
3.1 KiB
C++
79 lines
3.1 KiB
C++
// Created on: 2014-07-18
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// Created by: Alexander Malyshev
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// Copyright (c) 2014-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <math_PSOParticlesPool.hxx>
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#include <algorithm>
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//=======================================================================
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//function : math_PSOParticlesPool
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//purpose : Constructor
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//=======================================================================
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math_PSOParticlesPool::math_PSOParticlesPool(const Standard_Integer theParticlesCount,
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const Standard_Integer theDimensionCount)
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: myParticlesPool(1, theParticlesCount),
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myMemory(0, theParticlesCount * (theDimensionCount // Position
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+ theDimensionCount // Velocity
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+ theDimensionCount) // BestPosition
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- 1)
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{
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myParticlesCount = theParticlesCount;
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myDimensionCount = theDimensionCount;
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// Pointers adjusting.
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Standard_Integer aParIdx, aShiftIdx;
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for(aParIdx = 1; aParIdx <= myParticlesCount; ++aParIdx)
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{
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aShiftIdx = (theDimensionCount * 3) * (aParIdx - 1);
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myParticlesPool(aParIdx).Position = &myMemory(aShiftIdx);
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myParticlesPool(aParIdx).Velocity = &myMemory(aShiftIdx + theDimensionCount);
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myParticlesPool(aParIdx).BestPosition = &myMemory(aShiftIdx + 2 * theDimensionCount);
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}
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}
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//=======================================================================
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//function : ~math_PSOParticlesPool
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//purpose : Destructor
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//=======================================================================
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math_PSOParticlesPool::~math_PSOParticlesPool()
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{
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}
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//=======================================================================
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//function : GetParticle
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//purpose :
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//=======================================================================
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PSO_Particle* math_PSOParticlesPool::GetParticle(const Standard_Integer theIdx)
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{
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return &myParticlesPool(theIdx);
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}
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//=======================================================================
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//function : GetBestParticle
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//purpose :
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//=======================================================================
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PSO_Particle* math_PSOParticlesPool::GetBestParticle()
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{
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return &*std::min_element(myParticlesPool.begin(), myParticlesPool.end());
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}
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//=======================================================================
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//function : GetWorstParticle
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//purpose :
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//=======================================================================
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PSO_Particle* math_PSOParticlesPool::GetWorstParticle()
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{
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return &*std::max_element(myParticlesPool.begin(), myParticlesPool.end());
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} |