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// Copyright (C) 2019-2021 Aleo Systems Inc.
// This file is part of the snarkVM library.
// The snarkVM library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// The snarkVM library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with the snarkVM library. If not, see <https://www.gnu.org/licenses/>.
use rand::{
distributions::{Distribution, Standard},
Rng,
};
pub trait UniformRand: Sized {
fn rand<R: Rng + ?Sized>(rng: &mut R) -> Self;
}
impl<T> UniformRand for T
where
Standard: Distribution<T>,
{
#[inline]
fn rand<R: Rng + ?Sized>(rng: &mut R) -> Self {
rng.sample(Standard)
}
}
/// Should be used only for tests, not for any real world usage.
pub fn test_rng() -> rand::rngs::StdRng {
use rand::SeedableRng;
// arbitrary seed
let seed = [
1, 0, 0, 0, 23, 0, 0, 0, 200, 1, 0, 0, 210, 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
];
rand::rngs::StdRng::from_seed(seed)
}