adding examples for eoBin & other stuff

eo/test/t-eolottery.cpp

@@ -0,0 +1,53 @@
+//-----------------------------------------------------------------------------
+// t-eolottery.cpp
+//-----------------------------------------------------------------------------
+
+#include <eo>  // eoBin, eoPop, eoLottery
+
+//-----------------------------------------------------------------------------
+
+typedef eoBin<float> Chrom;
+
+void binary_value(Chrom& chrom)
+{
+  float sum = 0; 
+  for (unsigned i = 0; i < chrom.size(); i++)
+    if (chrom[i])
+      sum += pow(2, i);
+  chrom.fitness(sum);
+}
+
+//-----------------------------------------------------------------------------
+
+main()
+{
+  const unsigned POP_SIZE = 8, CHROM_SIZE = 4;
+
+  eoUniform<Chrom::Type> uniform(false, true);
+  eoPop<Chrom> pop, pop2;
+  eoBinRandom<Chrom> random;
+  unsigned i;
+
+  for (i = 0; i < POP_SIZE; i++)
+    {
+      Chrom chrom(CHROM_SIZE);
+      random(chrom);
+      binary_value(chrom);
+      pop.push_back(chrom);
+    }
+  
+  cout << "original population:" << endl;
+  for (i = 0; i < pop.size(); i++)
+    cout << pop[i] << "  " << pop[i].fitness() << endl;
+  
+  eoLottery<Chrom> lottery;
+  lottery(pop, pop2); 
+
+  cout << "selected by lottery population:" << endl;
+  for (i = 0; i < pop2.size(); i++)
+    cout << pop2[i] << "  " << pop2[i].fitness() << endl;
+
+  return 0;
+}
+
+//-----------------------------------------------------------------------------