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// Copyright 2018 argmin developers
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
/// Perturbation Vector for the accelerated computation of the Jacobian.
#[derive(Clone, Default)]
pub struct PerturbationVector {
/// x indices
pub x_idx: Vec<usize>,
/// correspoding function indices
pub r_idx: Vec<Vec<usize>>,
}
impl PerturbationVector {
/// Create a new empty `PerturbationVector`
pub fn new() -> Self {
PerturbationVector {
x_idx: vec![],
r_idx: vec![],
}
}
/// Add an index `x_idx` and the corresponding function indices `r_idx`
pub fn add(mut self, x_idx: usize, r_idx: Vec<usize>) -> Self {
self.x_idx.push(x_idx);
self.r_idx.push(r_idx);
self
}
}
/// A collection of `PerturbationVector`s
pub type PerturbationVectors = Vec<PerturbationVector>;