qoi/src/utils.rs
2021-11-30 14:30:13 +00:00

23 lines
527 B
Rust

#[inline(always)]
#[allow(unused)]
pub const fn likely(b: bool) -> bool {
// borrowed from `likely_stable` crate
#[allow(clippy::needless_bool)]
if (1i32).checked_div(if b { 1 } else { 0 }).is_some() {
true
} else {
false
}
}
#[inline(always)]
#[allow(unused)]
pub const fn unlikely(b: bool) -> bool {
// borrowed from `likely_stable` crate
#[allow(clippy::needless_bool)]
if (1i32).checked_div(if b { 0 } else { 1 }).is_none() {
true
} else {
false
}
}