git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2116 331e1502-861f-0410-8da2-ba01fb791d7f

ParadisEO-GPU/src/problems/eval/OneMaxIncrEval.h

@@ -31,3 +31,60 @@
   ParadisEO WebSite : http://paradiseo.gforge.inria.fr
   Contact: paradiseo-help@lists.gforge.inria.fr
 */
+
+#ifndef __OneMaxIncrEval_H
+#define __OneMaxIncrEval_H
+
+#include <eval/moCudaEvalFunc.h>
+
+/**
+ * Incremental Evaluation of OneMax
+ */
+
+template<class Neighbor>
+class OneMaxIncrEval: public moCudaEvalFunc<Neighbor> {
+
+ public:
+
+  typedef typename Neighbor::EOT EOT;
+  typedef typename EOT::Fitness Fitness;
+
+  /**
+   * Constructor
+   */
+
+  OneMaxIncrEval() {
+  }
+
+  /**
+   * Destructor
+   */
+
+  ~OneMaxIncrEval() {
+  }
+
+  /**
+   * Incremental evaluation of the solution(function inline can be called from host or device)
+   * @param _bitVector the solution to evaluate
+   * @param _fitness the fitness of the current solution
+   * @param _index the index of solution neighbor
+   */
+
+  inline __host__ __device__ Fitness operator() (EOT & _bitVector,Fitness _fitness, unsigned int * _index) {
+
+    Fitness tmp;
+
+    if (_bitVector[_index[0]] == 0)
+
+      tmp= _fitness+1;
+
+    else
+
+      tmp= _fitness-1;
+
+    return tmp;
+
+  }
+};
+
+#endif