diff options
Diffstat (limited to 'third_party/rust/packed_simd/src/api/fmt/binary.rs')
-rw-r--r-- | third_party/rust/packed_simd/src/api/fmt/binary.rs | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/third_party/rust/packed_simd/src/api/fmt/binary.rs b/third_party/rust/packed_simd/src/api/fmt/binary.rs new file mode 100644 index 0000000000..91c0825559 --- /dev/null +++ b/third_party/rust/packed_simd/src/api/fmt/binary.rs @@ -0,0 +1,54 @@ +//! Implement Octal formatting + +macro_rules! impl_fmt_binary { + ([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => { + impl crate::fmt::Binary for $id { + #[allow(clippy::missing_inline_in_public_items)] + fn fmt(&self, f: &mut crate::fmt::Formatter<'_>) -> crate::fmt::Result { + write!(f, "{}(", stringify!($id))?; + for i in 0..$elem_count { + if i > 0 { + write!(f, ", ")?; + } + self.extract(i).fmt(f)?; + } + write!(f, ")") + } + } + test_if! { + $test_tt: + paste::item! { + pub mod [<$id _fmt_binary>] { + use super::*; + #[cfg_attr(not(target_arch = "wasm32"), test)] + #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn binary() { + use arrayvec::{ArrayString,ArrayVec}; + type TinyString = ArrayString<[u8; 512]>; + + use crate::fmt::Write; + let v = $id::splat($elem_ty::default()); + let mut s = TinyString::new(); + write!(&mut s, "{:#b}", v).unwrap(); + + let mut beg = TinyString::new(); + write!(&mut beg, "{}(", stringify!($id)).unwrap(); + assert!(s.starts_with(beg.as_str())); + assert!(s.ends_with(")")); + let s: ArrayVec<[TinyString; 64]> + = s.replace(beg.as_str(), "") + .replace(")", "").split(",") + .map(|v| TinyString::from(v.trim()).unwrap()) + .collect(); + assert_eq!(s.len(), $id::lanes()); + for (index, ss) in s.into_iter().enumerate() { + let mut e = TinyString::new(); + write!(&mut e, "{:#b}", v.extract(index)).unwrap(); + assert_eq!(ss, e); + } + } + } + } + } + }; +} |