| //! 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()); |
| } |
| } |
| } |
| } |
| } |
| } |
| }; |
| } |