Modify incremental eval QAP

mo/src/problems/eval/moQAPIncrEval.h

@@ -61,10 +61,10 @@ public:
     int d; 
     int k;
     
-    unsigned i, j;
-
-    _neighbor.getIndices(n, i, j);
+    unsigned i = _neighbor.first();
+    unsigned j = _neighbor.second();
 
+    //    _neighbor.getIndices(n, i, j);
     d = (A[i][i]-A[j][j])*(B[_solution[j]][_solution[j]]-B[_solution[i]][_solution[i]]) +
       (A[i][j]-A[j][i])*(B[_solution[j]][_solution[i]]-B[_solution[i]][_solution[j]]);
     

mo/src/problems/permutation/moIndexedSwapNeighbor.h

@@ -107,6 +107,22 @@ public:
     index( _first + n * (n - 1) / 2 );
   }
 
+  /**
+   * Getter of the firt location
+   * @return first indice
+   */
+  unsigned int first() {
+    return indices.first;
+  }
+
+  /**
+   * Getter of the second location
+   * @return second indice
+   */
+  unsigned int second() {
+    return indices.second;
+  }
+
 private:
   std::pair<unsigned int, unsigned int> indices;