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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 std::fmt::Debug;

#[derive(Debug, PartialEq)]
pub enum LegendreSymbol {
    Zero = 0,
    QuadraticResidue = 1,
    QuadraticNonResidue = -1,
}

impl LegendreSymbol {
    pub fn is_zero(&self) -> bool {
        *self == LegendreSymbol::Zero
    }

    pub fn is_qnr(&self) -> bool {
        *self == LegendreSymbol::QuadraticNonResidue
    }

    pub fn is_qr(&self) -> bool {
        *self == LegendreSymbol::QuadraticResidue
    }
}