eoMyStructEA.cpp has turned into MyStructEA.cpp
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#include <iostream>
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using namespace std;
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// eo general include
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#include "eo"
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// the real bounds (not yet in general eo include)
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#include "utils/eoRealVectorBounds.h"
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// include here whatever specific files for your representation
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// Basically, this should include at least the following
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/** definition of representation:
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* class eoMyStruct MUST derive from EO<FitT> for some fitness
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*/
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#include "eoMyStruct.h"
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/** definition of initilizqtion:
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* class eoMyStructInit MUST derive from eoInit<eoMyStruct>
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*/
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#include "eoMyStructInit.h"
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/** definition of mutation:
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* class eoMyStructMonop MUST derive from eoMonOp<eoMyStruct>
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*/
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#include "eoMyStructMutation.h"
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/** definition of crossover (either as eoBinOp (2->1) or eoQuadOp (2->2):
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* class eoMyStructBinCrossover MUST derive from eoBinOp<eoMyStruct>
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* OR
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* class eoMyStructQuadCrossover MUST derive from eoQuadOp<eoMyStruct>
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*/
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// #include "eoMyStructBinOp.h"
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// OR
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#include "eoMyStructQuadCrossover.h"
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/** definition of evaluation:
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* class eoMyStructEvalFunc MUST derive from eoEvalFunc<eoMyStruct>
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* and should test for validity before doing any computation
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* see tutorial/Templates/evalFunc.tmpl
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*/
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#include "eoMyStructEvalFunc.h"
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// GENOTYPE eoMyStruct ***MUST*** be templatized over the fitness
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//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
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// START fitness type: double or eoMaximizingFitness if you are maximizing
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// eoMinimizingFitness if you are minimizing
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typedef eoMyStruct<double> Indi; // ***MUST*** derive from EO
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// END fitness type
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//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
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// Use existing modules to define representation independent routines
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// These are parser-based definitions of objects
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// how to initialize the population
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// it IS representation independent if an eoInit is given
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#include <do/make_pop.h>
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eoPop<Indi >& make_pop(eoParser& _parser, eoState& _state, eoInit<Indi> & _init)
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{
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return do_make_pop(_parser, _state, _init);
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}
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// the stopping criterion
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#include <do/make_continue.h>
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eoContinue<Indi>& make_continue(eoParser& _parser, eoState& _state, eoEvalFuncCounter<Indi> & _eval)
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{
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return do_make_continue(_parser, _state, _eval);
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}
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// outputs (stats, population dumps, ...)
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#include <do/make_checkpoint.h>
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eoCheckPoint<Indi>& make_checkpoint(eoParameterLoader& _parser, eoState& _state, eoEvalFuncCounter<Indi>& _eval, eoContinue<Indi>& _continue)
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{
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return do_make_checkpoint(_parser, _state, _eval, _continue);
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}
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// evolution engine (selection and replacement)
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#include <do/make_algo_scalar.h>
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eoAlgo<Indi>& make_algo_scalar(eoParameterLoader& _parser, eoState& _state, eoEvalFunc<Indi>& _eval, eoContinue<Indi>& _continue, eoGenOp<Indi>& _op)
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{
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return do_make_algo_scalar(_parser, _state, _eval, _continue, _op);
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}
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// simple call to the algo. stays there for consistency reasons
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// no template for that one
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#include <do/make_run.h>
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// the instanciating fitnesses
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#include <eoScalarFitness.h>
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void run_ea(eoAlgo<Indi>& _ga, eoPop<Indi>& _pop)
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{
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do_run(_ga, _pop);
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}
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// checks for help demand, and writes the status file
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// and make_help; in libutils
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void make_help(eoParser & _parser);
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// now use all of the above, + representation dependent things
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int main(int argc, char* argv[])
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{
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try
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{
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eoParser parser(argc, argv); // for user-parameter reading
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eoState state; // keeps all things allocated
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///// FIRST, problem or representation dependent stuff
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//////////////////////////////////////////////////////
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//////////////////////////////////////////////
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// the genotype - through a genotype initializer
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//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
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// START read parameters (if any) and create the initializer directly
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// As far as memory management is concerned, the parameters
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// AND the values are owned by the parser (handled through references)
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// example of parameter reading using the most compact syntax
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// varType var = parser.createParam(varType defaultValue,
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// string keyword,
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// string comment,
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// char shortKeyword,
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// string section,).value();
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// an unsigned parameter
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unsigned sampleUnsigned = parser.createParam(unsigned(10), "anUnsigned", "An unsigned parameter",'V', "Representation").value();
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// a double parameter
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double sampleDouble = parser.createParam(0.3, "aDouble", "A double parameter", 's', "Representation" ).value();
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// some real bounds: [-1,1]x[-1,1] by default
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eoRealVectorBounds & sampleBounds = parser.createParam(eoRealVectorBounds(2,-1,1), "someBounds", "Bounds of some real variables", 'B', "Representation").value();
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// END read parameters (if any) and create the initializer directly
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//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
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//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
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// START Modify definitions of objects by eventually add parameters
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/** HINTS
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*
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* The following declare variables that are objects defined
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* in the customized files.
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* You shoudl only modify the arguments passed onto their constructors
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* ("varType _anyVariable") in their definition
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*
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* and you can optionally uncomment and modify the lines commented between
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* the usual / * and * / (without the blanks :-)
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*/
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// the initializer: will be used in make_pop
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////////////////////
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eoMyStructInit<Indi> init/* (varType _anyVariable) */;
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// The fitness
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//////////////
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eoMyStructEvalFunc<Indi> plainEval/* (varType _anyVariable) */;
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// turn that object into an evaluation counter
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eoEvalFuncCounter<Indi> eval(plainEval);
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/////////////////////////////
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// Variation operators
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////////////////////////////
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// read crossover and mutations, combine each in a proportional Op
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// and create the eoGenOp that calls crossover at rate pCross
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// then mutation with rate pMut
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// the crossovers
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/////////////////
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// here we can have eoQuadOp (2->2) only - no time for the eoBinOp case
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// you can have more than one - combined in a proportional way
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// first, define the crossover objects and read their rates from the parser
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// A first crossover
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eoMyStructQuadCrossover<Indi> cross1/* (varType _anyVariable) */;
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// its relative rate in the combination
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double cross1Rate = parser.createParam(1.0, "cross1Rate", "Relative rate for crossover 1", '1', "Variation Operators").value();
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// and the creation of the combined operator with this one
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eoPropCombinedQuadOp<Indi> propXover(cross1, cross1Rate);
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// Optional: A second(and third, and ...) crossover
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// of course you must create the corresponding classes
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// and all ***MUST*** derive from eoQuadOp<Indi>
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/* Uncomment if necessary - and replicate as many time as you need
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eoMyStructSecondCrossover<Indi> cross2(varType _anyVariable);
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double cross2Rate = parser.createParam(1.0, "cross2Rate", "Relative rate for crossover 2", '2', "Variation Operators").value();
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propXover.add(cross2, cross2Rate);
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*/
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// if you want some gentle output, the last one shoudl be like
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// propXover.add(crossXXX, crossXXXRate, true);
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// the mutation: same story
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////////////////
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// you can have more than one - combined in a proportional way
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// for each mutation,
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// - define the mutator object
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// - read its rate from the parser
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// - add it to the proportional combination
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// a first mutation
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eoMyStructMutation<Indi> mut1/* (varType _anyVariable) */;
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// its relative rate in the combination
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double mut1Rate = parser.createParam(1.0, "mut1Rate", "Relative rate for mutation 1", '1', "Variation Operators").value();
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// and the creation of the combined operator with this one
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eoPropCombinedMonOp<Indi> propMutation(mut1, mut1Rate);
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// Optional: A second(and third, and ...) mutation with their rates
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// of course you must create the corresponding classes
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// and all ***MUST*** derive from eoMonOp<Indi>
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/* Uncomment if necessary - and replicate as many time as you need
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eoMyStructSecondMutation<Indi> mut2(varType _anyVariable);
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double mut2Rate = parser.createParam(1.0, "mut2Rate", "Relative rate for mutation 2", '2', "Variation Operators").value();
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propMutation.add(mut2, mut2Rate);
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*/
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// if you want some gentle output, the last one shoudl be like
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// propMutation.add(mutXXX, mutXXXRate, true);
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// end of crossover and mutation definitions
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////////////////////////////////////////////
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// END Modify definitions of objects by eventually add parameters
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//*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
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// from now on, you do not need to modify anything
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// though you CAN add things to the checkpointing (see tutorial)
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// now build the eoGenOp:
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// to simulate SGA (crossover with proba pCross + mutation with proba pMut
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// we must construct
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// a sequential combination of
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// with proba 1, a proportional combination of
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// a QuadCopy and our crossover
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// with proba pMut, our mutation
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// but of course you're free to use any smart combination you could think of
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// especially, if you have to use eoBinOp rather than eoQuad Op youùll have
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// to modify that part
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// First read the individual level parameters
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eoValueParam<double>& pCrossParam = parser.createParam(0.6, "pCross", "Probability of Crossover", 'C', "Variation Operators" );
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// minimum check
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if ( (pCrossParam.value() < 0) || (pCrossParam.value() > 1) )
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throw runtime_error("Invalid pCross");
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eoValueParam<double>& pMutParam = parser.createParam(0.1, "pMut", "Probability of Mutation", 'M', "Variation Operators" );
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// minimum check
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if ( (pMutParam.value() < 0) || (pMutParam.value() > 1) )
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throw runtime_error("Invalid pMut");
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// the crossover - with probability pCross
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eoProportionalOp<Indi> * cross = new eoProportionalOp<Indi> ;
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state.storeFunctor(cross);
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eoQuadOp<Indi> *ptQuad = new eoQuadCloneOp<Indi>;
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state.storeFunctor(ptQuad);
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cross->add(propXover, pCrossParam.value()); // crossover, with proba pcross
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cross->add(*ptQuad, 1-pCrossParam.value()); // nothing, with proba 1-pcross
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// now the sequential
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eoSequentialOp<Indi> *op = new eoSequentialOp<Indi>;
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state.storeFunctor(op);
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op->add(*cross, 1.0); // always do combined crossover
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op->add(propMutation, pMutParam.value()); // then mutation, with proba pmut
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// that's it! (beware op is a pointer - for lazy cut-and-paste reasons!
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// end of operator definition
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////////////////////////////
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//// Now the representation-independent things
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//
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// YOU SHOULD NOT NEED TO MODIFY ANYTHING BEYOND THIS POINT
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// unless you want to add specific statistics to the checkpoint
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//////////////////////////////////////////////
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// initialize the population
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// yes, this is representation indepedent once you have an eoInit
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eoPop<Indi>& pop = make_pop(parser, state, init);
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// stopping criteria
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eoContinue<Indi> & term = make_continue(parser, state, eval);
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// output
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eoCheckPoint<Indi> & checkpoint = make_checkpoint(parser, state, eval, term);
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// algorithm (need the operator!)
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eoAlgo<Indi>& ga = make_algo_scalar(parser, state, eval, checkpoint, (*op));
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///// End of construction of the algorithm
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/////////////////////////////////////////
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// to be called AFTER all parameters have been read!!!
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make_help(parser);
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//// GO
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///////
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// evaluate intial population AFTER help and status in case it takes time
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apply(eval, pop);
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// if you want to print it out
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// cout << "Initial Population\n";
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// pop.sortedPrintOn(cout);
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// cout << endl;
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run_ea(ga, pop); // run the ga
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cout << "Final Population\n";
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pop.sortedPrintOn(cout);
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cout << endl;
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}
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catch(exception& e)
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{
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cout << e.what() << endl;
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}
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}
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