mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add core_simd/tests/cast.rs

Browse Source
This commit is contained in:
Jubilee Young 2022-01-26 20:54:05 -08:00
parent a991d48e95
commit 0031b02cee
1 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
crates/core_simd/tests/cast.rs Normal file
View File

@ -0,0 +1,37 @@
#![feature(portable_simd)]
macro_rules! cast_types {
($start:ident, $($target:ident),*) => {
mod $start {
use core_simd::simd::Simd;
type Vector<const N: usize> = Simd<$start, N>;
$(
mod $target {
use super::*;
test_helpers::test_lanes! {
fn cast_as<const N: usize>() {
test_helpers::test_unary_elementwise(
&Vector::<N>::cast::<$target>,
&|x| x as $target,
&|_| true,
)
}
}
}
)*
}
};
}
// The hypothesis is that widening conversions aren't terribly interesting.
cast_types!(f32, f64, i8, u8, usize, isize);
cast_types!(f64, f32, i8, u8, usize, isize);
cast_types!(i8, u8, f32);
cast_types!(u8, i8, f32);
cast_types!(i16, u16, i8, u8, f32);
cast_types!(u16, i16, i8, u8, f32);
cast_types!(i32, u32, i8, u8, f32, f64);
cast_types!(u32, i32, i8, u8, f32, f64);
cast_types!(i64, u64, i8, u8, isize, usize, f32, f64);
cast_types!(u64, i64, i8, u8, isize, usize, f32, f64);
cast_types!(isize, usize, i8, u8, f32, f64);
cast_types!(usize, isize, i8, u8, f32, f64);