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//! Implements portable horizontal mask reductions.
macro_rules! impl_reduction_mask {
([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => {
impl $id {
/// Are `all` vector lanes `true`?
#[inline]
pub fn all(self) -> bool {
unsafe { crate::codegen::reductions::mask::All::all(self) }
}
/// Is `any` vector lane `true`?
#[inline]
pub fn any(self) -> bool {
unsafe { crate::codegen::reductions::mask::Any::any(self) }
}
/// Are `all` vector lanes `false`?
#[inline]
pub fn none(self) -> bool {
!self.any()
}
}
test_if! {
$test_tt:
paste::item! {
pub mod [<$id _reduction>] {
use super::*;
#[cfg_attr(not(target_arch = "wasm32"), test)]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn all() {
let a = $id::splat(true);
assert!(a.all());
let a = $id::splat(false);
assert!(!a.all());
if $id::lanes() > 1 {
for i in 0..$id::lanes() {
let mut a = $id::splat(true);
a = a.replace(i, false);
assert!(!a.all());
let mut a = $id::splat(false);
a = a.replace(i, true);
assert!(!a.all());
}
}
}
#[cfg_attr(not(target_arch = "wasm32"), test)]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn any() {
let a = $id::splat(true);
assert!(a.any());
let a = $id::splat(false);
assert!(!a.any());
if $id::lanes() > 1 {
for i in 0..$id::lanes() {
let mut a = $id::splat(true);
a = a.replace(i, false);
assert!(a.any());
let mut a = $id::splat(false);
a = a.replace(i, true);
assert!(a.any());
}
}
}
#[cfg_attr(not(target_arch = "wasm32"), test)]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn none() {
let a = $id::splat(true);
assert!(!a.none());
let a = $id::splat(false);
assert!(a.none());
if $id::lanes() > 1 {
for i in 0..$id::lanes() {
let mut a = $id::splat(true);
a = a.replace(i, false);
assert!(!a.none());
let mut a = $id::splat(false);
a = a.replace(i, true);
assert!(!a.none());
}
}
}
}
}
}
};
}