add coefficient for evolutionnary algo

snp.py

@@ -371,7 +371,20 @@ def main(args=None):
     if should_plot:
         plot_sol(the, history, sensors, shape)
 
-    return val, len(history), sol, sensors
+    # coefficient when objective function is called multiples times in one epoch
+    coef = get_coef_objective_func(the)
+
+    # constant when objective function is called multiples times in one epoch
+    initial = get_constant_objectiv_func(the)
+    return val, len(history) * coef + initial, sol, sensors
+
+
+def get_constant_objectiv_func(the):
+    return the.nb_population if the.solver == "num_evolutionary" else 0
+
+
+def get_coef_objective_func(the):
+    return the.nb_selected * the.nb_offspring if the.solver == "num_evolutionary" else 1
 
 
 if __name__ == "__main__":