42 lines
1.5 KiB
Rust
42 lines
1.5 KiB
Rust
macro_rules! impl_to_bytes {
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{ $ty:ty, $size:literal } => {
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impl<const LANES: usize> crate::simd::Simd<$ty, LANES>
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where
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crate::simd::LaneCount<LANES>: crate::simd::SupportedLaneCount,
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crate::simd::LaneCount<{{ $size * LANES }}>: crate::simd::SupportedLaneCount,
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{
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/// Return the memory representation of this integer as a byte array in native byte
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/// order.
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pub fn to_ne_bytes(self) -> crate::simd::Simd<u8, {{ $size * LANES }}> {
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// Safety: transmuting between vectors is safe
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unsafe { core::mem::transmute_copy(&self) }
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}
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/// Create a native endian integer value from its memory representation as a byte array
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/// in native endianness.
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pub fn from_ne_bytes(bytes: crate::simd::Simd<u8, {{ $size * LANES }}>) -> Self {
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// Safety: transmuting between vectors is safe
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unsafe { core::mem::transmute_copy(&bytes) }
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}
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}
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}
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}
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impl_to_bytes! { u8, 1 }
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impl_to_bytes! { u16, 2 }
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impl_to_bytes! { u32, 4 }
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impl_to_bytes! { u64, 8 }
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#[cfg(target_pointer_width = "32")]
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impl_to_bytes! { usize, 4 }
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#[cfg(target_pointer_width = "64")]
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impl_to_bytes! { usize, 8 }
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impl_to_bytes! { i8, 1 }
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impl_to_bytes! { i16, 2 }
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impl_to_bytes! { i32, 4 }
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impl_to_bytes! { i64, 8 }
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#[cfg(target_pointer_width = "32")]
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impl_to_bytes! { isize, 4 }
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#[cfg(target_pointer_width = "64")]
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impl_to_bytes! { isize, 8 }
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