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59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#ifndef IGL_PSO_H
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#define IGL_PSO_H
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#include <igl/igl_inline.h>
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#include <Eigen/Core>
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#include <functional>
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namespace igl
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{
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// Solve the problem:
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//
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// minimize f(x)
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// subject to lb ≤ x ≤ ub
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//
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// by particle swarm optimization (PSO).
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//
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// Inputs:
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// f function that evaluates the objective for a given "particle" location
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// LB #X vector of lower bounds
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// UB #X vector of upper bounds
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// max_iters maximum number of iterations
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// population number of particles in swarm
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// Outputs:
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// X best particle seen so far
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// Returns objective corresponding to best particle seen so far
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template <
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typename Scalar,
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typename DerivedX,
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typename DerivedLB,
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typename DerivedUB>
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IGL_INLINE Scalar pso(
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const std::function< Scalar (DerivedX &) > f,
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const Eigen::MatrixBase<DerivedLB> & LB,
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const Eigen::MatrixBase<DerivedUB> & UB,
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const int max_iters,
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const int population,
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DerivedX & X);
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// Inputs:
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// P whether each DOF is periodic
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template <
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typename Scalar,
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typename DerivedX,
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typename DerivedLB,
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typename DerivedUB,
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typename DerivedP>
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IGL_INLINE Scalar pso(
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const std::function< Scalar (DerivedX &) > f,
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const Eigen::MatrixBase<DerivedLB> & LB,
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const Eigen::MatrixBase<DerivedUB> & UB,
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const Eigen::DenseBase<DerivedP> & P,
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const int max_iters,
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const int population,
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DerivedX & X);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "pso.cpp"
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#endif
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#endif
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