blob: aa68b1291d42b2937f30dd5e8851c194b865461c [file] [log] [blame]
/* SPDX-License-Identifier: MIT OR Apache-2.0 */
//! IEEE 754-2019 `minimum`.
//!
//! 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 fminimum<F: Float>(x: F, y: F) -> F {
let res = if x.is_nan() {
x
} else if y.is_nan() {
y
} else if x < y || (x.biteq(F::NEG_ZERO) && y.is_sign_positive()) {
x
} else {
y
};
res.canonicalize()
}