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// Copyright (C) 2019-2020 Aleo Systems Inc. // This file is part of the snarkOS library. // The snarkOS 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 snarkOS 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 snarkOS 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) }