diff options
Diffstat (limited to 'vendor/packed_simd_2/src/api/ops/vector_int_min_max.rs')
-rw-r--r-- | vendor/packed_simd_2/src/api/ops/vector_int_min_max.rs | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/vendor/packed_simd_2/src/api/ops/vector_int_min_max.rs b/vendor/packed_simd_2/src/api/ops/vector_int_min_max.rs new file mode 100644 index 000000000..36ea98e6b --- /dev/null +++ b/vendor/packed_simd_2/src/api/ops/vector_int_min_max.rs @@ -0,0 +1,57 @@ +//! Vertical (lane-wise) vector `min` and `max` for integer vectors. + +macro_rules! impl_ops_vector_int_min_max { + ([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => { + impl $id { + /// Minimum of two vectors. + /// + /// Returns a new vector containing the minimum value of each of + /// the input vector lanes. + #[inline] + pub fn min(self, x: Self) -> Self { + self.lt(x).select(self, x) + } + + /// Maximum of two vectors. + /// + /// Returns a new vector containing the maximum value of each of + /// the input vector lanes. + #[inline] + pub fn max(self, x: Self) -> Self { + self.gt(x).select(self, x) + } + } + test_if!{$test_tt: + paste::item! { + pub mod [<$id _ops_vector_min_max>] { + use super::*; + #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] + fn min_max() { + let o = $id::splat(1 as $elem_ty); + let t = $id::splat(2 as $elem_ty); + + let mut m = o; + for i in 0..$id::lanes() { + if i % 2 == 0 { + m = m.replace(i, 2 as $elem_ty); + } + } + assert_eq!(o.min(t), o); + assert_eq!(t.min(o), o); + assert_eq!(m.min(o), o); + assert_eq!(o.min(m), o); + assert_eq!(m.min(t), m); + assert_eq!(t.min(m), m); + + assert_eq!(o.max(t), t); + assert_eq!(t.max(o), t); + assert_eq!(m.max(o), m); + assert_eq!(o.max(m), m); + assert_eq!(m.max(t), t); + assert_eq!(t.max(m), t); + } + } + } + } + }; +} |