core/portable-simd/crates/core_simd/src/cast.rs
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use crate::simd::SimdElement;
mod sealed {
/// Cast vector elements to other types.
///
/// # Safety
/// Implementing this trait asserts that the type is a valid vector element for the `simd_cast`
/// or `simd_as` intrinsics.
pub unsafe trait Sealed {}
}
use sealed::Sealed;
/// Supporting trait for `Simd::cast`. Typically doesn't need to be used directly.
pub trait SimdCast: Sealed + SimdElement {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for i8 {}
impl SimdCast for i8 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for i16 {}
impl SimdCast for i16 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for i32 {}
impl SimdCast for i32 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for i64 {}
impl SimdCast for i64 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for isize {}
impl SimdCast for isize {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for u8 {}
impl SimdCast for u8 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for u16 {}
impl SimdCast for u16 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for u32 {}
impl SimdCast for u32 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for u64 {}
impl SimdCast for u64 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for usize {}
impl SimdCast for usize {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for f32 {}
impl SimdCast for f32 {}
// Safety: primitive number types can be cast to other primitive number types
unsafe impl Sealed for f64 {}
impl SimdCast for f64 {}