added t-eoEasyPSO test

eo/test/t-eoEasyPSO.cpp

@@ -0,0 +1,103 @@
+//-----------------------------------------------------------------------------
+// t-eoEasyPSO.cpp
+//-----------------------------------------------------------------------------
+
+#ifndef __GNUG__
+// to avoid long name warnings
+#pragma warning(disable:4786)
+#endif // __GNUG__
+
+#include <eo>
+
+//-----------------------------------------------------------------------------
+typedef eoMinimizingFitness FitT;
+typedef eoRealParticle < FitT > Particle;
+//-----------------------------------------------------------------------------
+
+// the objective function
+double real_value (const Particle & _particle)
+{
+    double sum = 0;
+    for (unsigned i = 0; i < _particle.size ()-1; i++)
+        sum += pow(_particle[i],2);
+    return (sum);
+}
+
+
+main()
+{
+    const unsigned int VEC_SIZE = 2;
+    const unsigned int POP_SIZE = 20;
+    const unsigned int NEIGHBORHOOD_SIZE= 5;
+    unsigned i;
+
+    // the population:
+    eoPop<Particle> pop;
+
+    // Evaluation
+    eoEvalFuncPtr<Particle, double, const Particle& > eval(  real_value );
+
+    // position init
+    eoUniformGenerator < double >uGen (-3, 3);
+    eoInitFixedLength < Particle > random (VEC_SIZE, uGen);
+
+    // velocity init
+    eoUniformGenerator < double >sGen (-2, 2);
+    eoVelocityInitFixedLength < Particle > veloRandom (VEC_SIZE, sGen);
+
+    // local best init
+    eoFirstIsBestInit < Particle > localInit;
+
+
+    // perform initialization
+    pop.append (POP_SIZE, random);
+    apply < Particle > (eval, pop);
+    apply < Particle > (veloRandom, pop);
+    apply < Particle > (localInit, pop);
+
+
+    std::cout << "population:" << std::endl;
+    for (i = 0; i < pop.size(); ++i)
+        std::cout << "\t" << pop[i] << " " << pop[i].fitness() << std::endl;
+
+
+    // topology
+    eoLinearTopology<Particle> topology(NEIGHBORHOOD_SIZE);
+    topology.setup(pop);
+
+    // bounds
+    eoRealVectorBounds bnds(VEC_SIZE,-1.5,1.5);
+
+    // velocity
+    eoStandardVelocity <Particle> velocity (topology,1.6,2,bnds);
+
+    // flight
+    eoStandardFlight <Particle> flight;
+
+    // Terminators
+    eoGenContinue <Particle> genCont (50);
+
+
+    // PS flight
+    eoEasyPSO<Particle> pso(genCont, eval, velocity, flight);
+
+
+    // flight
+    try
+    {
+        pso(pop);
+    }
+    catch (std::exception& e)
+    {
+        std::cout << "exception: " << e.what() << std::endl;;
+        exit(EXIT_FAILURE);
+    }
+
+    std::cout << "pop" << std::endl;
+    for (i = 0; i < pop.size(); ++i)
+        std::cout << "\t" <<  pop[i] << " " << pop[i].fitness() << std::endl;
+
+    return 0;
+}
+
+//-----------------------------------------------------------------------------