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// Copyright 2018 Stefan Kroboth
//
// 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.
use crate::math::ArgminRandom;
use rand::distributions::uniform::SampleUniform;
use rand::Rng;
impl<T> ArgminRandom for Vec<T>
where
T: SampleUniform + std::cmp::PartialOrd + Clone,
{
fn rand_from_range(min: &Self, max: &Self) -> Vec<T> {
assert!(!min.is_empty());
assert_eq!(min.len(), max.len());
let mut rng = rand::thread_rng();
min.iter()
.zip(max.iter())
.map(|(a, b)| {
// Do not require a < b:
if a == b {
a.clone()
} else if a < b {
rng.gen_range(a, b)
} else {
rng.gen_range(b, a)
}
})
.collect()
}
}