Added LinearRankSelection.

[genetic.git] / src / mutation / mutation.h

diff --git a/src/mutation/mutation.h b/src/mutation/mutation.h
index 69c23e7fde54c4d47334a806d61299235e71ce15..a35b312b60d637359e7e5d028c79be6bdd5a730e 100644 (file)
--- a/src/mutation/mutation.h
+++ b/src/mutation/mutation.h
@@ -10,35 +10,57 @@ using namespace std;
 
 namespace genetic {
 //     namespace mutation {
+        /**
+         * Mutations class. Applies mutation on Chromosome's.
+         */
         template < typename _Chromosome>
         class Mutation {
         public:
+            /**
+             * Type of probability of mutation chance
+             */
             typedef double MutationChanceType;
+
+            /**
+             * Type representing Chromosome Gene
+             */
             typedef typename _Chromosome::GeneType GeneType;
         protected:
+            /**
+             * Chance with which mutation can occur. (0 = 0%, 1 = 100%)
+             */
             MutationChanceType chance;
 
         public:
+            /**
+             * Class constructor. Initializes class variables.
+             *
+             * @param chance Chance on which Mutation can occur.
+             */
             Mutation(MutationChanceType chance) :
                 chance(chance) {
             }
 
+            /**
+             * Applies with defined probability mutation on the given generation
+             * of Chromosome's.
+             *
+             * @param _generation Generation for which the mutation should be applied
+             * @return new Generation of Chromosome's that passed the mutation
+             */
             Generation<_Chromosome> mutate(Generation<_Chromosome> _generation) {
-                const unsigned int generationSize = _generation.get().size();
-                const unsigned int chromosomeSize = _generation.get()[0].get().size();
+                const unsigned int generationSize = _generation.size();
+                const unsigned int chromosomeSize = _generation[0].size();
                 vector<_Chromosome> newGeneration;
 
                 for (unsigned int i = 0; i < generationSize; i++) {
                     MutationChanceType random = (rand() % 10000) / 10000.0;
 
-                    _Chromosome chromosome = _generation.get()[i];
+                    _Chromosome chromosome = _generation[i];
                     if (random < this->chance) {
                         unsigned int mutatedGene = (rand() % chromosomeSize);
-                        vector<GeneType> newChromosome = chromosome.get();
-
-                        newChromosome[mutatedGene] = GeneType(!newChromosome[mutatedGene].get());
 
-                        chromosome = _Chromosome(newChromosome);
+                        chromosome[mutatedGene] = GeneType(!chromosome[mutatedGene].get());
                     }
                     newGeneration.push_back(chromosome);
                 }