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#![feature(portable_simd)]
macro_rules! cast_types {
($start:ident, $($target:ident),*) => {
mod $start {
#[allow(unused)]
use core_simd::simd::prelude::*;
type Vector<const N: usize> = Simd<$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);
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