// Copyright © 2024 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 .
use malachite_base::num::arithmetic::traits::UnsignedAbs;
use malachite_base::num::basic::floats::PrimitiveFloat;
use malachite_base::num::basic::signeds::PrimitiveSigned;
use malachite_base::num::conversion::traits::ExactFrom;
use malachite_base::num::float::NiceFloat;
use malachite_base::test_util::generators::{primitive_float_gen, signed_gen_var_1};
use std::cmp::Ordering::*;
fn abs_signed_helper() {
let test = |n: T, out| {
assert_eq!(n.abs(), out);
let mut n = n;
n.abs_assign();
assert_eq!(n, out);
};
test(T::ZERO, T::ZERO);
test(T::ONE, T::ONE);
test(T::exact_from(100), T::exact_from(100));
test(T::NEGATIVE_ONE, T::ONE);
test(T::exact_from(-100), T::exact_from(100));
}
fn abs_primitive_float_helper() {
let test = |n: T, out| {
assert_eq!(NiceFloat(n.abs()), NiceFloat(out));
let mut n = n;
n.abs_assign();
assert_eq!(NiceFloat(n), NiceFloat(out));
};
test(T::ZERO, T::ZERO);
test(T::NEGATIVE_ZERO, T::ZERO);
test(T::INFINITY, T::INFINITY);
test(T::NEGATIVE_INFINITY, T::INFINITY);
test(T::NAN, T::NAN);
test(T::ONE, T::ONE);
test(T::NEGATIVE_ONE, T::ONE);
test(T::from(100.0f32), T::from(100.0f32));
test(T::from(-100.0f32), T::from(100.0f32));
}
#[test]
fn test_abs() {
apply_fn_to_signeds!(abs_signed_helper);
apply_fn_to_primitive_floats!(abs_primitive_float_helper);
}
fn abs_assign_properties_signed_helper<
U,
S: ExactFrom + PrimitiveSigned + UnsignedAbs