Optimized mutation's code

src/ibea/mutation.cpp

@@ -6,9 +6,12 @@
 #include "population.h"
 #include "mutation.h"
 
-double polynomiale_mutation(double parent, const double eta,
-  const double lower_bound, const double upper_bound, coco_random_state_t *random_generator){
-
+double polynomiale_mutation(double parent,
+                            const double eta,
+                            const double lower_bound,
+                            const double upper_bound,
+                            coco_random_state_t *random_generator)
+{
   double child;
   double u = coco_random_uniform(random_generator);
   double delta = std::min((parent - lower_bound)/(upper_bound - lower_bound),
@@ -26,20 +29,21 @@ double polynomiale_mutation(double parent, const double eta,
   return child;
 }
 
-void mutate(Population population, const double *lower_bounds, const double *upper_bounds,
-  const double eta, coco_random_state_t *random_generator){
-
-  double lb, ub, u;
+void mutate(&Population population,
+            const double *lower_bounds,
+            const double *upper_bounds,
+            const double eta,
+            coco_random_state_t *random_generator)
+{
+  double u;
   double size = population.getSize();
   double dimension = population.getDim();
 
   for (int i; i<size; i++){
     for (int j; j<dimension; j++){
-      lb = lower_bounds[j];
-      ub = upper_bounds[j];
       u = coco_random_uniform(random_generator);
       if (u <= 0.01){
-        population.setIndiv(i,j,polynomiale_mutation(population.getIndiv(i,j), eta, lb, ub, random_generator));
+        population.setIndiv(i,j,polynomiale_mutation(population.getIndiv(i,j), eta, lower_bounds[j], upper_bounds[j], random_generator));
       }
     }
   }

src/ibea/mutation.h

 #ifndef MUTATION_H
 #define MUTATION_H
 
-double polynomiale_mutation(double parent, const double eta,
-  const double lower_bound, const double upper_bound, coco_random_state_t *random_generator);
+double polynomiale_mutation(double parent,
+                            const double eta,
+                            const double lower_bound,
+                            const double upper_bound,
+                            coco_random_state_t *random_generator);
 
-void mutate(Population population, const double *lower_bounds, const double *upper_bounds,
-  const double eta, coco_random_state_t *random_generator);
+void mutate(&Population population,
+            const double *lower_bounds,
+            const double *upper_bounds,
+            const double eta,
+            coco_random_state_t *random_generator);
 
 #endif