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/// ------------------------------------------------------
/// SwarmOps - Numeric and heuristic optimization for C#
/// Copyright (C) 2003-2011 Magnus Erik Hvass Pedersen.
/// Please see the file license.txt for license details.
/// SwarmOps on the internet: http://www.Hvass-Labs.org/
/// ------------------------------------------------------
using System;
namespace SwarmOps.Problems
{
/// <summary>
/// Contains list of all implemented benchmark problems.
/// </summary>
public static class Benchmarks
{
/// <summary>
/// Enumeration of all benchmark problem IDs.
/// </summary>
public enum ID
{
Ackley,
Griewank,
Penalized1,
Penalized2,
QuarticNoise,
Rastrigin,
Rosenbrock,
Schwefel12,
Schwefel221,
Schwefel222,
Sphere,
Step
}
/// <summary>
/// Array containing all benchmark problem IDs.
/// </summary>
public static ID[] IDs =
{
ID.Ackley,
ID.Griewank,
ID.Penalized1,
ID.Penalized2,
ID.QuarticNoise,
ID.Rastrigin,
ID.Rosenbrock,
ID.Schwefel12,
ID.Schwefel221,
ID.Schwefel222,
ID.Sphere,
ID.Step
};
/// <summary>
/// Create a new instance of a benchmark problem.
/// </summary>
/// <param name="id">Benchmark problem ID.</param>
/// <param name="dimensionality">Dimensionality of problem.</param>
/// <returns></returns>
public static Benchmark CreateInstance(this ID id, int dimensionality, int maxIterations)
{
Benchmark benchmark;
switch (id)
{
case ID.Ackley:
benchmark = new Ackley(dimensionality, maxIterations);
break;
case ID.Griewank:
benchmark = new Griewank(dimensionality, maxIterations);
break;
case ID.Penalized1:
benchmark = new Penalized1(dimensionality, maxIterations);
break;
case ID.Penalized2:
benchmark = new Penalized2(dimensionality, maxIterations);
break;
case ID.QuarticNoise:
benchmark = new QuarticNoise(dimensionality, maxIterations);
break;
case ID.Rastrigin:
benchmark = new Rastrigin(dimensionality, maxIterations);
break;
case ID.Rosenbrock:
benchmark = new Rosenbrock(dimensionality, maxIterations);
break;
case ID.Schwefel12:
benchmark = new Schwefel12(dimensionality, maxIterations);
break;
case ID.Schwefel221:
benchmark = new Schwefel221(dimensionality, maxIterations);
break;
case ID.Schwefel222:
benchmark = new Schwefel222(dimensionality, maxIterations);
break;
case ID.Sphere:
benchmark = new Sphere(dimensionality, maxIterations);
break;
case ID.Step:
benchmark = new Step(dimensionality, maxIterations);
break;
default:
throw new ArgumentException();
}
return benchmark;
}
}
}
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