67 lines
1.8 KiB
Rust
67 lines
1.8 KiB
Rust
/* OpenTally: Open-source election vote counting
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* Copyright © 2021 Lee Yingtong Li (RunasSudo)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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mod native;
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#[cfg(not(target_arch = "wasm32"))]
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mod rational_rug;
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//#[cfg(target_arch = "wasm32")]
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mod rational_num;
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use num_traits::{NumAssignRef, NumRef};
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use std::cmp::Ord;
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use std::fmt;
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use std::ops;
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pub trait Assign<Src=Self> {
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fn assign(&mut self, src: Src);
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}
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pub trait From<T> {
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fn from(n: T) -> Self;
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}
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//pub trait Number: NumRef + NumAssignRef + PartialOrd + Assign + Clone + fmt::Display where for<'a> &'a Self: RefNum<&'a Self> {
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pub trait Number:
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NumRef + NumAssignRef + ops::Neg<Output=Self> + Ord + Assign + From<usize> + From<f64> + Clone + fmt::Display
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where
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for<'a> Self: Assign<&'a Self>
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{
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fn new() -> Self;
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fn pow_assign(&mut self, exponent: i32);
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fn floor_mut(&mut self, dps: usize);
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fn parse(s: &str) -> Self {
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if let Ok(value) = Self::from_str_radix(s, 10) {
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return value;
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} else {
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panic!("Syntax Error");
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}
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}
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}
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pub use self::native::NativeFloat64;
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#[cfg(not(target_arch = "wasm32"))]
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pub use self::rational_rug::Rational;
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#[cfg(target_arch = "wasm32")]
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pub use self::rational_num::Rational;
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