Removed .bk file.

examples/parabole.rs.bk

@@ -1,134 +0,0 @@
-extern crate rand;
-extern crate rayon;
-extern crate genetisk;
-
-use std::cmp::Ordering;
-
-
-use rand::distributions::{IndependentSample, Range};
-use rayon::prelude::*;
-
-use genetisk::{Individual, Wrapper, MaximizeSelector, MinimizeSelector, Select, Simulation};
-
-
-#[derive(Clone, Copy, Debug)]
-struct Fitness(f64);
-
-impl PartialEq for Fitness {
-    fn eq(&self, other: &Fitness) -> bool {
-        (self.0 - other.0).abs() < 0.0001
-    }
-}
-
-impl Eq for Fitness {}
-
-impl PartialOrd for Fitness {
-    fn partial_cmp(&self, other: &Fitness) -> Option<Ordering> {
-        self.0.partial_cmp(&other.0)
-    }
-}
-
-impl Ord for Fitness {
-    fn cmp(&self, other: &Fitness) -> Ordering {
-        self.0.partial_cmp(&other.0).unwrap_or(Ordering::Equal)
-    }
-}
-
-
-#[derive(Clone, Debug)]
-struct Parabole {
-    x: f64,
-}
-
-impl Individual for Parabole {
-    type Fitness = Fitness;
-
-    fn mate(&self, other: &Parabole) -> Parabole {
-        Parabole {
-            x: (self.x + other.x) / 2.0,
-        }
-    }
-
-    fn mutate(&mut self) {
-        let between = Range::new(-1.0, 1.0);
-
-        let mut rng = rand::thread_rng();
-        let offset = between.ind_sample(&mut rng);
-
-        self.x += offset;
-    }
-
-    fn fitness(&self) -> Self::Fitness {
-        Fitness(10.0 - ((self.x + 3.0) * (self.x + 3.0)))
-    }
-}
-
-
-fn main() {
-    let initial = (0..300)
-        .map(|i| Parabole { x: i as f64 })
-        .collect::<Vec<_>>();
-
-    let population_size = initial.len();
-
-    let mut simulation = Simulation::with_population(initial);
-
-    simulation.calculate();
-
-    for _ in 0..250_000 {
-        simulation.evolve(|parents, population| {
-            // Mate top 10 to get 5 children.
-            parents
-                .iter()
-                .enumerate()
-                .filter(|&(n, _)| n % 2 == 0)
-                .map(|(_, wrapper)| wrapper)
-                .take(5)
-                .zip(
-                    parents
-                        .iter()
-                        .enumerate()
-                        .filter(|&(n, _)| n % 2 == 1)
-                        .map(|(_, wrapper)| wrapper)
-                        .take(5),
-                )
-                .map(|(a, b)| a.individual.mate(&b.individual))
-                .map(|individual| Wrapper {
-                    individual: individual,
-                    fitness: None,
-                })
-                .for_each(|wrapper| {
-                    population.push(wrapper);
-                });
-
-            // Mutate all to get new children.
-            parents
-                .par_iter()
-                .map(|wrapper| wrapper.individual.clone())
-                .map(|mut individual| {
-                    individual.mutate();
-
-                    Wrapper {
-                        individual: individual,
-                        fitness: None,
-                    }
-                })
-                .collect_into(population);
-
-            // Add all parents again.
-            population.extend(parents.iter().cloned());
-        });
-
-        simulation.population.truncate(population_size);
-    }
-
-    println!(
-        "{:#?}",
-        simulation.population
-            .iter()
-            .take(10)
-            .map(|individual| &individual.individual)
-            .collect::<Vec<_>>()
-    );
-    println!();
-}