Migration from SVN

eo/test/t-eoTwoOptMutation.cpp

@@ -0,0 +1,80 @@
+//-----------------------------------------------------------------------------
+// t-eoTwoOptMutation.cpp
+//-----------------------------------------------------------------------------
+
+#include <set>
+
+#include <eo>
+#include <eoInt.h>
+#include <eoTwoOptMutation.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 = 3, CHROM_SIZE = 8;
+  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 twoOpt mutation
+  eoTwoOptMutation <Chrom> twoOpt;
+
+  for (i = 0; i < POP_SIZE; ++i)
+    {
+      std::cout << " Initial chromosome n°" << i << " : " << pop[i] << "..." <<  std::endl;
+      twoOpt(pop[i]);
+      std::cout << " ... becomes : " << pop[i] << " after twoOpt mutation" << std::endl;
+      check_permutation(pop[i]);
+    }
+
+  return 0;
+}
+
+//-----------------------------------------------------------------------------