core/portable-simd/crates/core_simd/src/ops/
deref.rs

1//! This module hacks in "implicit deref" for Simd's operators.
2//! Ideally, Rust would take care of this itself,
3//! and method calls usually handle the LHS implicitly.
4//! But this is not the case with arithmetic ops.
5
6use super::*;
7
8macro_rules! deref_lhs {
9    (impl<T, const N: usize> $trait:ident for $simd:ty {
10            fn $call:ident
11        }) => {
12        impl<T, const N: usize> $trait<$simd> for &$simd
13        where
14            T: SimdElement,
15            $simd: $trait<$simd, Output = $simd>,
16            LaneCount<N>: SupportedLaneCount,
17        {
18            type Output = Simd<T, N>;
19
20            #[inline]
21            fn $call(self, rhs: $simd) -> Self::Output {
22                (*self).$call(rhs)
23            }
24        }
25    };
26}
27
28macro_rules! deref_rhs {
29    (impl<T, const N: usize> $trait:ident for $simd:ty {
30            fn $call:ident
31        }) => {
32        impl<T, const N: usize> $trait<&$simd> for $simd
33        where
34            T: SimdElement,
35            $simd: $trait<$simd, Output = $simd>,
36            LaneCount<N>: SupportedLaneCount,
37        {
38            type Output = Simd<T, N>;
39
40            #[inline]
41            fn $call(self, rhs: &$simd) -> Self::Output {
42                self.$call(*rhs)
43            }
44        }
45    };
46}
47
48macro_rules! deref_ops {
49    ($(impl<T, const N: usize> $trait:ident for $simd:ty {
50            fn $call:ident
51        })*) => {
52        $(
53            deref_rhs! {
54                impl<T, const N: usize> $trait for $simd {
55                    fn $call
56                }
57            }
58            deref_lhs! {
59                impl<T, const N: usize> $trait for $simd {
60                    fn $call
61                }
62            }
63            impl<'lhs, 'rhs, T, const N: usize> $trait<&'rhs $simd> for &'lhs $simd
64            where
65                T: SimdElement,
66                $simd: $trait<$simd, Output = $simd>,
67                LaneCount<N>: SupportedLaneCount,
68            {
69                type Output = $simd;
70
71                #[inline]
72                fn $call(self, rhs: &'rhs $simd) -> Self::Output {
73                    (*self).$call(*rhs)
74                }
75            }
76        )*
77    }
78}
79
80deref_ops! {
81    // Arithmetic
82    impl<T, const N: usize> Add for Simd<T, N> {
83        fn add
84    }
85
86    impl<T, const N: usize> Mul for Simd<T, N> {
87        fn mul
88    }
89
90    impl<T, const N: usize> Sub for Simd<T, N> {
91        fn sub
92    }
93
94    impl<T, const N: usize> Div for Simd<T, N> {
95        fn div
96    }
97
98    impl<T, const N: usize> Rem for Simd<T, N> {
99        fn rem
100    }
101
102    // Bitops
103    impl<T, const N: usize> BitAnd for Simd<T, N> {
104        fn bitand
105    }
106
107    impl<T, const N: usize> BitOr for Simd<T, N> {
108        fn bitor
109    }
110
111    impl<T, const N: usize> BitXor for Simd<T, N> {
112        fn bitxor
113    }
114
115    impl<T, const N: usize> Shl for Simd<T, N> {
116        fn shl
117    }
118
119    impl<T, const N: usize> Shr for Simd<T, N> {
120        fn shr
121    }
122}
core/portable-simd/crates/core_simd/src/ops/deref.rs

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core/portable-simd/crates/core_simd/src/ops/
deref.rs
