RC

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2710 331e1502-861f-0410-8da2-ba01fb791d7f

branches/rc2.0/eo/test/t-eoSwapMutation.cpp

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+//-----------------------------------------------------------------------------
+// t-eoSwapMutation.cpp
+//-----------------------------------------------------------------------------
+
+#include <set>
+
+#include <eo>
+#include <eoInt.h>
+#include <eoSwapMutation.h>
+
+//-----------------------------------------------------------------------------
+
+typedef eoInt<double> Chrom;
+
+//-----------------------------------------------------------------------------
+
+
+double real_value(const Chrom & _chrom)
+{
+  double sum = 0;
+  for (unsigned i = 0; i < _chrom.size(); i++)
+      sum += _chrom[i];
+  return sum/_chrom.size();
+}
+
+//-----------------------------------------------------------------------------
+// Return true if the given chromosome corresponds to a permutation
+bool check_permutation(const Chrom& _chrom){
+	unsigned size= _chrom.size();
+	std::set<unsigned> verif;
+	for(unsigned i=0; i< size; i++){
+		if(verif.insert(_chrom[i]).second==false){
+			std::cout << " Error: Wrong permutation !" << std::endl;
+			std::string s;
+			s.append( " Wrong permutation in t-eoShiftMutation");
+			throw std::runtime_error( s );
+			return false;
+		}
+	}
+	return true;
+}
+
+
+int main()
+{
+  const unsigned POP_SIZE = 8, CHROM_SIZE = 16;
+  unsigned i;
+
+   // a chromosome randomizer
+  eoInitPermutation <Chrom> random(CHROM_SIZE);
+
+   // the population:
+  eoPop<Chrom> pop;
+
+   // Evaluation
+  eoEvalFuncPtr<Chrom> eval(  real_value );
+
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      Chrom chrom(CHROM_SIZE);
+      random(chrom);
+      eval(chrom);
+      pop.push_back(chrom);
+    }
+
+
+  // a swap mutation
+  eoSwapMutation <Chrom> swap;
+
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      std::cout << " Initial chromosome n°" << i << " : " << pop[i] << "..." <<  std::endl;
+      swap(pop[i]);
+      std::cout << " ... becomes : " << pop[i] << " after swap mutation" << std::endl;
+      check_permutation(pop[i]);
+    }
+
+  return 0;
+}
+
+//-----------------------------------------------------------------------------