adding examples for eoBin & other stuff

eo/test/t-eoproblem.cpp

@@ -0,0 +1,52 @@
+//-----------------------------------------------------------------------------
+// t-eoproblem.cpp
+// (c) GeNeura Team 1998
+//-----------------------------------------------------------------------------
+
+#include <time.h>    // time
+#include <math.h>    // fabs
+#include <iostream>  // cout
+#include <eo>        // eoVector, eoProblem
+
+//-----------------------------------------------------------------------------
+
+typedef eoVector<float, float> Chrom;
+
+//-----------------------------------------------------------------------------
+
+ostream& operator<<(ostream& os, const Chrom& chrom)
+{
+  copy(chrom.begin(), chrom.end(), ostream_iterator<int>(os));
+  return os;
+}
+
+//-----------------------------------------------------------------------------
+
+class Easy//: public eoProblem<Chrom>
+{
+public:
+  const size = 1;
+  
+  float operator()(const Chrom& chrom)
+    {
+      return 1.0 / (fabs(chrom[0]) + 1.0);
+    }
+};
+
+//-----------------------------------------------------------------------------
+
+main()
+{
+  Easy easy;
+  Chrom chrom(Easy::size);
+  
+  srand(time(0));
+  
+  chrom[0] = ((float)rand()) / ((float)RAND_MAX);
+  chrom.fitness(easy(chrom));
+  
+  cout << "chrom = " << chrom << endl
+       << "chrom.fitness() = " << chrom.fitness() << endl;
+}
+
+//-----------------------------------------------------------------------------