X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=include%2Fselection%2Fselection.h;h=de899c11d24b1b840ebe6c0a31e2831e2cfaa0c3;hb=77bd6d7ee48fc7c9c287103d6626cdbf5e4b7828;hp=dd6e846299b0ae34c159843e883b63a5b6c43082;hpb=2a8fc81203107eb3495a50fb2666803fda3e0517;p=genetic.git

diff --git a/include/selection/selection.h b/include/selection/selection.h
index dd6e846..de899c1 100644
--- a/include/selection/selection.h
+++ b/include/selection/selection.h
@@ -5,8 +5,6 @@
 #include "generation.h"
 #include "../fitness/fitness.h"
 
-using namespace std;
-
 namespace genetic {
 //     namespace selection {
         /**
@@ -43,7 +41,7 @@ namespace genetic {
              *      checked.
              * @return Value of the Fitness function
              */
-            FitnessValueType checkChromosomeFitness(_Chromosome chromosome) {
+            FitnessValueType checkChromosomeFitness(const _Chromosome& chromosome) {
                 this->fitness.chromosome = chromosome;
                 return fitness.calculate();
             }
@@ -63,7 +61,7 @@ namespace genetic {
              *      applied
              * @param _fitness Fitness function to use in Selection
              */
-            Selection(Generation<_Chromosome> _generation, GeneticFitness& _fitness) :
+            Selection(const Generation<_Chromosome>& _generation, GeneticFitness& _fitness) :
                 generation(_generation), fitness(_fitness) {
             }