func updateComplexity(v *Web, pop neat.Population) {
// Build complexity slice
x := make([]float64, len(pop.Genomes))
for i, g := range pop.Genomes {
x[i] = float64(g.Complexity())
}
var b neat.Genome
max := -1.0
for _, g := range pop.Genomes {
if g.Fitness > max {
b = g
max = g.Fitness
}
}
// Append the record
min, _ := stats.Min(x)
max, _ = stats.Max(x)
mean, _ := stats.Mean(x)
v.complexity = append(v.complexity, [4]float64{
min,
mean,
max,
float64(b.Complexity()),
})
}
func (c Classic) Mutate(g *neat.Genome) error {
old := g.Complexity()
if err := c.Complexify.Mutate(g); err != nil {
return err
}
if g.Complexity() == old {
if err := c.Weight.Mutate(g); err != nil {
return err
}
if err := c.Trait.Mutate(g); err != nil {
return err
}
}
return nil
}
func (c Complete) Mutate(g *neat.Genome) error {
old := g.Complexity()
if err := c.Phased.Mutate(g); err != nil {
return err
}
if g.Complexity() == old {
if err := c.Weight.Mutate(g); err != nil {
return err
}
if err := c.Trait.Mutate(g); err != nil {
return err
}
if err := c.Activation.Mutate(g); err != nil {
return err
}
}
return nil
}