Struct Pgpe 

pub struct Pgpe { /* private fields */ }

Stateful PGPE optimizer with batch and ask/tell evaluation interfaces.

Implementations

impl Pgpe

pub fn new( fitfun: Fitness, guess: &[f64], input_sigma: &[f64], p: &PgpeParams, ) -> Self

Create a PGPE distribution centered on guess.

input_sigma supplies one initial standard deviation per dimension.

pub fn dim(&self) -> usize

Number of decision variables.

pub fn popsize(&self) -> usize

Number of mirrored samples in each population.

pub fn stop(&self) -> i32

Current termination code, or zero while the optimizer can continue.

pub fn optimize_batch<F>(&mut self, eval_batch: F) -> PgpeResult

where F: FnMut(&[Vec<f64>]) -> Vec<f64>,

Generational loop evaluating each population through a batch closure.

pub fn ask_pop(&mut self) -> Vec<Vec<f64>>

Sample and return one decoded population.

pub fn tell_pop(&mut self, ys: &[f64]) -> i32

Update the distribution from objective values corresponding to ask_pop, returning the current stop code.

pub fn population(&self) -> Vec<Vec<f64>>

Return the most recently sampled decoded population.

pub fn result(&self) -> PgpeResult

Return the current best result for an ask/tell run.