/usr/include/oce/math_PSOParticlesPool.hxx is in liboce-foundation-dev 0.17.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Created by: Alexander Malyshev
// Copyright (c) 2014-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _math_PSOParticlesPool_HeaderFile
#define _math_PSOParticlesPool_HeaderFile
#include <NCollection_Array1.hxx>
//! Describes particle pool for using in PSO algorithm.
//! Indexes:
//! 0 <= aDimidx <= myDimensionCount - 1
struct PSO_Particle
{
Standard_Real* Position; // Data for pointers allocated within PSOParticlesPool instance.
Standard_Real* Velocity; // Not need to delete it manually.
Standard_Real* BestPosition;
Standard_Real Distance;
Standard_Real BestDistance;
PSO_Particle()
{
Distance = RealLast();
BestDistance = RealLast();
Position = 0;
Velocity = 0;
BestPosition = 0;
}
//! Compares the particles according to their distances.
bool operator< (const PSO_Particle& thePnt) const
{
return Distance < thePnt.Distance;
}
};
// Indexes:
// 1 <= aParticleIdx <= myParticlesCount
class math_PSOParticlesPool
{
public:
Standard_EXPORT math_PSOParticlesPool(const Standard_Integer theParticlesCount,
const Standard_Integer theDimensionCount);
Standard_EXPORT PSO_Particle* GetParticle(const Standard_Integer theIdx);
Standard_EXPORT PSO_Particle* GetBestParticle();
Standard_EXPORT PSO_Particle* GetWorstParticle();
Standard_EXPORT ~math_PSOParticlesPool();
private:
NCollection_Array1<PSO_Particle> myParticlesPool;
NCollection_Array1<Standard_Real> myMemory; // Stores particles vector data.
Standard_Integer myParticlesCount;
Standard_Integer myDimensionCount;
};
#endif
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