| #![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); |
