Small optimizations on performance and memory.

[genetic.git] / include / selection / rouletteSelection.h

diff --git a/include/selection/rouletteSelection.h b/include/selection/rouletteSelection.h
index 009c8a66e47247d91ca7fdf3819fc2341ce6b07b..859e2531926fd8048f1890b4c57a75478b4cec29 100644 (file)
--- a/include/selection/rouletteSelection.h
+++ b/include/selection/rouletteSelection.h
@@ -43,7 +43,7 @@ namespace genetic {
             vector<FitnessValueType> calculateGenerationFitness(
                 Generation<_Chromosome> generation) {
                 vector<FitnessValueType> generationFitness;
-                unsigned int generationSize = generation.size();
+                const unsigned int generationSize = generation.size();
 
                 for (unsigned int i = 0; i < generationSize; i++) {
                     generationFitness.push_back(this->checkChromosomeFitness(generation[i]));
@@ -187,7 +187,7 @@ namespace genetic {
              *      Selection
              * @param _fitness Fitness method to calculate fitness of Chromosomes
              */
-            RouletteSelection(Generation<_Chromosome> _generation, genetic::Fitness<_Chromosome>& _fitness) :
+            RouletteSelection(Generation<_Chromosome>& _generation, genetic::Fitness<_Chromosome>& _fitness) :
                 Selection<_Chromosome>(_generation, _fitness) {
                 this->generation = _generation;
                 this->fitness = _fitness;