new application gprop

eo/app/gprop/gprop.cc

@@ -0,0 +1,146 @@
+//-----------------------------------------------------------------------------
+// gprop
+//-----------------------------------------------------------------------------
+
+#include <stdlib.h>         // EXIT_SUCCESS EXIT_FAILURE
+#include <stdexcept>        // exception 
+#include <iostream>         // cerr cout
+#include <fstream>          // ifstream
+#include <string>           // string
+#include <utils/eoParser.h> // eoParser
+#include <eoPop.h>          // eoPop
+#include <eoGenContinue.h>  // eoGenContinue
+#include <eoProportional.h> // eoProportional
+#include <eoSGA.h>          // eoSGA
+#include "gprop.h"          // Chrom eoChromInit eoChromMutation eoChromXover eoChromEvaluator
+
+//-----------------------------------------------------------------------------
+// global variables
+//-----------------------------------------------------------------------------
+
+
+
+//-----------------------------------------------------------------------------
+// parameters
+//-----------------------------------------------------------------------------
+
+eoValueParam<unsigned> pop_size(10, "pop_size", "default population size", 'p');
+eoValueParam<unsigned> generations(10, "generations", "default generation number", 'g');
+eoValueParam<double> mut_rate(0.1, "mut_rate", "default mutation rate", 'm');
+eoValueParam<double> xover_rate(0.1, "xover_rate", "default crossover rate", 'x');
+eoValueParam<string> file("", "file", "common part of patterns filenames *.trn *.val and *.tst", 'f');
+
+//-----------------------------------------------------------------------------
+// auxiliar functions
+//-----------------------------------------------------------------------------
+
+void arg(int argc, char** argv);
+void load_file(mlp::set& s, const string& s);
+void ga();
+
+//-----------------------------------------------------------------------------
+// main
+//-----------------------------------------------------------------------------
+
+int main(int argc, char** argv)
+{
+  try
+    {
+      arg(argc, argv);
+      ga();
+    }
+  catch (exception& e)
+    {
+      cerr << argv[0] << ": " << e.what() << endl;
+      exit(EXIT_FAILURE);
+    }
+
+  return 0;
+}
+
+//-----------------------------------------------------------------------------
+// implementation
+//-----------------------------------------------------------------------------
+
+void arg(int argc, char** argv)
+{
+  eoParser parser(argc, argv);
+  
+  parser.processParam(pop_size,    "genetic operators");
+  parser.processParam(generations, "genetic operators");
+  parser.processParam(mut_rate,    "genetic operators");
+  parser.processParam(xover_rate,  "genetic operators");
+  parser.processParam(file,        "files");
+
+  if (parser.userNeedsHelp())
+    {
+      parser.printHelp(cout);
+      exit(EXIT_SUCCESS);
+    }
+
+  load_file(trn_set, "trn");
+  load_file(val_set, "val");
+  load_file(tst_set, "tst");
+    
+  phenotype::trn_max = trn_set.size();
+  phenotype::val_max = val_set.size();
+  phenotype::tst_max = tst_set.size();
+}
+
+//-----------------------------------------------------------------------------
+
+void load_file(mlp::set& set, const string& ext)
+{
+  string filename = file.value(); filename += "." + ext;
+
+  ifstream ifs(filename.c_str());
+  if (!ifs)
+    {
+      cerr << "can't open file \"" << filename << "\"" << endl;
+      exit(EXIT_FAILURE);
+    } 
+  
+  ifs >> set;
+
+  cout << "set.size() = " << set.size() << endl;
+  
+  if (set.size() == 0)
+    {
+      cerr << filename << " data file is empty!";
+      exit(EXIT_FAILURE);
+    }
+}
+
+//-----------------------------------------------------------------------------
+
+void ga()
+{
+  eoGenContinue<Chrom> continuator(generations.value());
+ 
+  eoProportional<Chrom> select;
+  eoChromMutation mutation(generations);
+  eoChromXover xover;
+  eoEvalFuncPtr<Chrom> evaluator(eoChromEvaluator);
+
+  eoSGA<Chrom> sga(select,
+		   xover, xover_rate.value(), 
+		   mutation, mut_rate.value(), 
+		   evaluator, 
+		   continuator);
+
+  eoInitChrom init;
+  eoPop<Chrom> pop(pop_size.value(), init);
+  apply<Chrom>(evaluator, pop);
+
+  cout << pop << endl;
+  
+  sga(pop);
+
+  cout << pop << endl;
+}
+
+//-----------------------------------------------------------------------------
+
+// Local Variables: 
+// mode:C++
+// End: