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// 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 <https://www.gnu.org/licenses/>.
use malachite_base::num::basic::floats::PrimitiveFloat;
use malachite_base::num::float::NiceFloat;
use malachite_base::test_util::generators::primitive_float_gen;
fn floor_assign_primitive_float_helper<T: PrimitiveFloat>() {
let test = |n: T, out| {
assert_eq!(NiceFloat(n.floor()), NiceFloat(out));
let mut n = n;
n.floor_assign();
assert_eq!(NiceFloat(n), NiceFloat(out));
};
test(T::ZERO, T::ZERO);
test(T::NEGATIVE_ZERO, T::NEGATIVE_ZERO);
test(T::INFINITY, T::INFINITY);
test(T::NEGATIVE_INFINITY, T::NEGATIVE_INFINITY);
test(T::NAN, T::NAN);
test(T::ONE, T::ONE);
test(T::NEGATIVE_ONE, T::NEGATIVE_ONE);
test(T::from(1.5f32), T::from(1.0f32));
test(T::from(-1.5f32), T::from(-2.0f32));
}
#[test]
fn test_floor_assign() {
apply_fn_to_primitive_floats!(floor_assign_primitive_float_helper);
}
fn floor_assign_properties_helper<T: PrimitiveFloat>() {
primitive_float_gen::<T>().test_properties(|f| {
let mut floor = f;
floor.floor_assign();
assert_eq!(NiceFloat(floor), NiceFloat(f.floor()));
assert_eq!(NiceFloat(floor.floor()), NiceFloat(floor));
assert_eq!(NiceFloat(-floor), NiceFloat((-f).ceiling()));
assert_eq!(f.sign(), floor.sign());
});
}
#[test]
fn floor_assign_properties() {
apply_fn_to_primitive_floats!(floor_assign_properties_helper);
}
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