Exemple #1
0
        private void Mutate(Random rand, ref TextMatchGenome genome)
        {
            var sb = new StringBuilder(genome.Text);

            sb[rand.Next(0, genome.Text.Length)] = _validChars[rand.Next(0, _validChars.Length)];
            genome.Text = sb.ToString();
        }
Exemple #2
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        private TextMatchGenome[] CreateChildren(
            TextMatchGenome parent1, TextMatchGenome parent2)
        {
            // Crossover parents to create two children
            TextMatchGenome child1, child2;

            if (_random.NextDouble() < _settings.CrossoverProbability)
            {
                Crossover(_random, parent1, parent2, out child1, out child2);
            }
            else
            {
                child1 = parent1;
                child2 = parent2;
            }

            // Potentially mutate one or both children
            if (_random.NextDouble() < _settings.MutationProbability)
            {
                Mutate(_random, ref child1);
            }
            if (_random.NextDouble() < _settings.MutationProbability)
            {
                Mutate(_random, ref child2);
            }

            // Return the young'ens
            return(new[] { child1, child2 });
        }
Exemple #3
0
        private void Crossover(Random rand, TextMatchGenome p1, TextMatchGenome p2, out TextMatchGenome child1, out TextMatchGenome child2)
        {
            int crossoverPoint = rand.Next(1, p1.Text.Length);

            child1 = new TextMatchGenome {
                Text = p1.Text.Substring(0, crossoverPoint) + p2.Text.Substring(crossoverPoint), TargetText = _targetText
            };
            child2 = new TextMatchGenome {
                Text = p2.Text.Substring(0, crossoverPoint) + p1.Text.Substring(crossoverPoint), TargetText = _targetText
            };
        }
 private void Mutate(Random rand, ref TextMatchGenome genome)
 {
     var sb = new StringBuilder(genome.Text);
     sb[rand.Next(0, genome.Text.Length)] = _validChars[rand.Next(0, _validChars.Length)];
     genome.Text = sb.ToString();
 }
 private void Crossover(Random rand, TextMatchGenome p1, TextMatchGenome p2, out TextMatchGenome child1, out TextMatchGenome child2)
 {
     int crossoverPoint = rand.Next(1, p1.Text.Length);
     child1 = new TextMatchGenome { Text = p1.Text.Substring(0, crossoverPoint) + p2.Text.Substring(crossoverPoint), TargetText = _targetText };
     child2 = new TextMatchGenome { Text = p2.Text.Substring(0, crossoverPoint) + p1.Text.Substring(crossoverPoint), TargetText = _targetText };
 }
        private TextMatchGenome[] CreateChildren(
            TextMatchGenome parent1, TextMatchGenome parent2)
        {
            // Crossover parents to create two children
            TextMatchGenome child1, child2;
            if (_random.NextDouble() < _settings.CrossoverProbability)
            {
                Crossover(_random, parent1, parent2, out child1, out child2);
            }
            else
            {
                child1 = parent1;
                child2 = parent2;
            }

            // Potentially mutate one or both children
            if (_random.NextDouble() < _settings.MutationProbability) Mutate(_random, ref child1);
            if (_random.NextDouble() < _settings.MutationProbability) Mutate(_random, ref child2);

            // Return the young'ens
            return new[] { child1, child2 };
        }