Paradiseo-eo sources added

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@40 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-eo/tutorial/Lesson4/binary_value.h

@@ -0,0 +1,25 @@
+#include <eo>
+
+//-----------------------------------------------------------------------------
+
+/** Just a simple function that takes binary value of a chromosome and sets
+    the fitnes.
+    @param _chrom A binary chromosome 
+*/
+
+template <class Chrom> double binary_value(const Chrom& _chrom)
+{
+  double sum = 0;
+  for (unsigned i = 0; i < _chrom.size(); i++)
+    if (_chrom[i])
+	sum += _chrom[i];
+  return sum;
+}
+
+struct BinaryValue
+{
+  template <class Chrom> void operator()(Chrom& _chrom)
+  {
+    _chrom.fitness(binary_value(_chrom));
+  }
+};