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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 crate::bits::Boolean; use std::fmt::Debug; /// The interface for a singed or unsigned integer gadget. pub trait Integer: Debug + Clone { type IntegerType; type UnsignedGadget; type UnsignedIntegerType; const SIZE: usize; fn constant(value: Self::IntegerType) -> Self; fn one() -> Self; fn zero() -> Self; fn new(bits: Vec<Boolean>, value: Option<Self::IntegerType>) -> Self; /// Returns true if all bits in this `Int` are constant fn is_constant(&self) -> bool; /// Returns true if both `Int` objects have constant bits fn result_is_constant(first: &Self, second: &Self) -> bool { first.is_constant() && second.is_constant() } fn to_bits_le(&self) -> Vec<Boolean>; fn from_bits_le(bits: &[Boolean]) -> Self; fn get_value(&self) -> Option<String>; }