Struct Ackley 

pub struct Ackley {}

This is the Ackley function.

The function is borrowed from here. Although the function accepts a vector with an arbitrary number of inputs, this is what it looks like in 2D:

Trait Implementations

impl Bounded for Ackley

const BOUNDS: (f64, f64)

The bounds of the canonical sphere optimization problem are infinite.

fn in_bounds(x: Vec<f64>) -> bool

Function to check bounds

impl NDimensional for Ackley

const D: usize = usize::MAX

This is a constant containing the correct dimensionality for the function

const LOW_D: usize = 2

This constant describes a low value to use for testing

const HIGH_D: usize = 137

This constant describes a high value to use for testing

impl SingleObjective for Ackley

const MINIMUM: f64 = 0.0

The global minimum is constant and zero

fn f(x: Vec<f64>) -> f64

Function for evaluating

fn minimizer(n: usize) -> Vec<f64>

This function returns the minimizer (argument that will return the global minimum

fn check_minimizer(d: usize)

This function is used for testing, and checks the correctness of the minimizer

impl UnConstrained for Ackley

const CONSTRAINED: bool = false

This trait indicates that the function is unconstrained