core/portable-simd/crates/core_simd/src/cast.rs
1use crate::simd::SimdElement;
2
3mod sealed {
4 /// Cast vector elements to other types.
5 ///
6 /// # Safety
7 /// Implementing this trait asserts that the type is a valid vector element for the `simd_cast`
8 /// or `simd_as` intrinsics.
9 pub unsafe trait Sealed {}
10}
11use sealed::Sealed;
12
13/// Supporting trait for `Simd::cast`. Typically doesn't need to be used directly.
14pub trait SimdCast: Sealed + SimdElement {}
15
16// Safety: primitive number types can be cast to other primitive number types
17unsafe impl Sealed for i8 {}
18impl SimdCast for i8 {}
19// Safety: primitive number types can be cast to other primitive number types
20unsafe impl Sealed for i16 {}
21impl SimdCast for i16 {}
22// Safety: primitive number types can be cast to other primitive number types
23unsafe impl Sealed for i32 {}
24impl SimdCast for i32 {}
25// Safety: primitive number types can be cast to other primitive number types
26unsafe impl Sealed for i64 {}
27impl SimdCast for i64 {}
28// Safety: primitive number types can be cast to other primitive number types
29unsafe impl Sealed for isize {}
30impl SimdCast for isize {}
31// Safety: primitive number types can be cast to other primitive number types
32unsafe impl Sealed for u8 {}
33impl SimdCast for u8 {}
34// Safety: primitive number types can be cast to other primitive number types
35unsafe impl Sealed for u16 {}
36impl SimdCast for u16 {}
37// Safety: primitive number types can be cast to other primitive number types
38unsafe impl Sealed for u32 {}
39impl SimdCast for u32 {}
40// Safety: primitive number types can be cast to other primitive number types
41unsafe impl Sealed for u64 {}
42impl SimdCast for u64 {}
43// Safety: primitive number types can be cast to other primitive number types
44unsafe impl Sealed for usize {}
45impl SimdCast for usize {}
46// Safety: primitive number types can be cast to other primitive number types
47unsafe impl Sealed for f32 {}
48impl SimdCast for f32 {}
49// Safety: primitive number types can be cast to other primitive number types
50unsafe impl Sealed for f64 {}
51impl SimdCast for f64 {}