malachite-nz 0.13.0

The bignum types Natural and Integer, with efficient algorithms partially derived from GMP and FLINT.
Documentation 
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// Copyright © 2026 Mikhail Hogrefe
//
// This file is part of Malachite.
//
// Malachite is free software: you can redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License (LGPL) as published by the Free Software Foundation; either version
// 3 of the License, or (at your option) any later version. See <https://www.gnu.org/licenses/>.

use crate::integer::Integer;
use crate::integer_polynomial::IntegerPolynomial;
use alloc::vec::Vec;
use core::cmp::max;
use malachite_base::polynomial::Polynomial;

// Subtracts two polynomials coefficient by coefficient, reading each coefficient through
// `coefficient`, which gives zero past the degree, and building the result with
// `from_coefficients_asc`, which trims. Nothing is shared with the in-place implementation.
pub fn sub_naive(p: &IntegerPolynomial, q: &IntegerPolynomial) -> IntegerPolynomial {
    let len = max(p.len(), q.len());
    IntegerPolynomial::from_coefficients_asc(
        (0..len)
            .map(|i| p.coefficient(i) - q.coefficient(i))
            .collect::<Vec<Integer>>(),
    )
}