blob: 55a031e18ee8d091c0666ffc27b6e0ef4902ec11 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/* SPDX-License-Identifier: MIT OR Apache-2.0 */
//! IEEE 754-2019 `maximum`.
//!
//! Per the spec, returns the canonicalized result of:
//! - `x` if `x > y`
//! - `y` if `y > x`
//! - +0.0 if x and y are zero with opposite signs
//! - qNaN if either operation is NaN
//!
//! Excluded from our implementation is sNaN handling.
use crate::support::Float;
#[inline]
pub fn fmaximum<F: Float>(x: F, y: F) -> F {
let res = if x.is_nan() {
x
} else if y.is_nan() {
y
} else if x > y || (y.biteq(F::NEG_ZERO) && x.is_sign_positive()) {
x
} else {
y
};
res.canonicalize()
}
|
