simple/
simple.rs

1// Copyright 2016 Martin Ankerl. 
2//
3// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
4// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
5// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
6// option. This file may not be copied, modified, or distributed
7// except according to those terms.
8
9extern crate differential_evolution;
10
11use differential_evolution::self_adaptive_de;
12
13fn main() {
14    // create a self adaptive DE with an inital search area
15    // from -10 to 10 in 5 dimensions.
16    let mut de = self_adaptive_de(vec![(-10.0, 10.0); 5], |pos| {
17        // cost function to minimize: sum of squares
18        pos.iter().fold(0.0, |sum, x| sum + x*x)
19    });
20
21    // perform 10000 cost evaluations
22    de.iter().nth(10000);
23    
24    // show the result
25    let (cost, pos) = de.best().unwrap();
26    println!("cost: {}", cost);
27    println!("pos: {:?}", pos);
28}