| //! Vertical (lane-wise) vector-scalar / scalar-vector arithmetic operations. |
| |
| macro_rules! impl_ops_scalar_arithmetic { |
| ([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => { |
| impl crate::ops::Add<$elem_ty> for $id { |
| type Output = Self; |
| #[inline] |
| fn add(self, other: $elem_ty) -> Self { |
| self + $id::splat(other) |
| } |
| } |
| impl crate::ops::Add<$id> for $elem_ty { |
| type Output = $id; |
| #[inline] |
| fn add(self, other: $id) -> $id { |
| $id::splat(self) + other |
| } |
| } |
| |
| impl crate::ops::Sub<$elem_ty> for $id { |
| type Output = Self; |
| #[inline] |
| fn sub(self, other: $elem_ty) -> Self { |
| self - $id::splat(other) |
| } |
| } |
| impl crate::ops::Sub<$id> for $elem_ty { |
| type Output = $id; |
| #[inline] |
| fn sub(self, other: $id) -> $id { |
| $id::splat(self) - other |
| } |
| } |
| |
| impl crate::ops::Mul<$elem_ty> for $id { |
| type Output = Self; |
| #[inline] |
| fn mul(self, other: $elem_ty) -> Self { |
| self * $id::splat(other) |
| } |
| } |
| impl crate::ops::Mul<$id> for $elem_ty { |
| type Output = $id; |
| #[inline] |
| fn mul(self, other: $id) -> $id { |
| $id::splat(self) * other |
| } |
| } |
| |
| impl crate::ops::Div<$elem_ty> for $id { |
| type Output = Self; |
| #[inline] |
| fn div(self, other: $elem_ty) -> Self { |
| self / $id::splat(other) |
| } |
| } |
| impl crate::ops::Div<$id> for $elem_ty { |
| type Output = $id; |
| #[inline] |
| fn div(self, other: $id) -> $id { |
| $id::splat(self) / other |
| } |
| } |
| |
| impl crate::ops::Rem<$elem_ty> for $id { |
| type Output = Self; |
| #[inline] |
| fn rem(self, other: $elem_ty) -> Self { |
| self % $id::splat(other) |
| } |
| } |
| impl crate::ops::Rem<$id> for $elem_ty { |
| type Output = $id; |
| #[inline] |
| fn rem(self, other: $id) -> $id { |
| $id::splat(self) % other |
| } |
| } |
| |
| impl crate::ops::AddAssign<$elem_ty> for $id { |
| #[inline] |
| fn add_assign(&mut self, other: $elem_ty) { |
| *self = *self + other; |
| } |
| } |
| |
| impl crate::ops::SubAssign<$elem_ty> for $id { |
| #[inline] |
| fn sub_assign(&mut self, other: $elem_ty) { |
| *self = *self - other; |
| } |
| } |
| |
| impl crate::ops::MulAssign<$elem_ty> for $id { |
| #[inline] |
| fn mul_assign(&mut self, other: $elem_ty) { |
| *self = *self * other; |
| } |
| } |
| |
| impl crate::ops::DivAssign<$elem_ty> for $id { |
| #[inline] |
| fn div_assign(&mut self, other: $elem_ty) { |
| *self = *self / other; |
| } |
| } |
| |
| impl crate::ops::RemAssign<$elem_ty> for $id { |
| #[inline] |
| fn rem_assign(&mut self, other: $elem_ty) { |
| *self = *self % other; |
| } |
| } |
| |
| test_if!{ |
| $test_tt: |
| paste::item! { |
| pub mod [<$id _ops_scalar_arith>] { |
| use super::*; |
| #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] |
| fn ops_scalar_arithmetic() { |
| let zi = 0 as $elem_ty; |
| let oi = 1 as $elem_ty; |
| let ti = 2 as $elem_ty; |
| let fi = 4 as $elem_ty; |
| let z = $id::splat(zi); |
| let o = $id::splat(oi); |
| let t = $id::splat(ti); |
| let f = $id::splat(fi); |
| |
| // add |
| assert_eq!(zi + z, z); |
| assert_eq!(z + zi, z); |
| assert_eq!(oi + z, o); |
| assert_eq!(o + zi, o); |
| assert_eq!(ti + z, t); |
| assert_eq!(t + zi, t); |
| assert_eq!(ti + t, f); |
| assert_eq!(t + ti, f); |
| // sub |
| assert_eq!(zi - z, z); |
| assert_eq!(z - zi, z); |
| assert_eq!(oi - z, o); |
| assert_eq!(o - zi, o); |
| assert_eq!(ti - z, t); |
| assert_eq!(t - zi, t); |
| assert_eq!(fi - t, t); |
| assert_eq!(f - ti, t); |
| assert_eq!(f - o - o, t); |
| assert_eq!(f - oi - oi, t); |
| // mul |
| assert_eq!(zi * z, z); |
| assert_eq!(z * zi, z); |
| assert_eq!(zi * o, z); |
| assert_eq!(z * oi, z); |
| assert_eq!(zi * t, z); |
| assert_eq!(z * ti, z); |
| assert_eq!(oi * t, t); |
| assert_eq!(o * ti, t); |
| assert_eq!(ti * t, f); |
| assert_eq!(t * ti, f); |
| // div |
| assert_eq!(zi / o, z); |
| assert_eq!(z / oi, z); |
| assert_eq!(ti / o, t); |
| assert_eq!(t / oi, t); |
| assert_eq!(fi / o, f); |
| assert_eq!(f / oi, f); |
| assert_eq!(ti / t, o); |
| assert_eq!(t / ti, o); |
| assert_eq!(fi / t, t); |
| assert_eq!(f / ti, t); |
| // rem |
| assert_eq!(oi % o, z); |
| assert_eq!(o % oi, z); |
| assert_eq!(fi % t, z); |
| assert_eq!(f % ti, z); |
| |
| { |
| let mut v = z; |
| assert_eq!(v, z); |
| v += oi; // add_assign |
| assert_eq!(v, o); |
| v -= oi; // sub_assign |
| assert_eq!(v, z); |
| v = t; |
| v *= oi; // mul_assign |
| assert_eq!(v, t); |
| v *= ti; |
| assert_eq!(v, f); |
| v /= oi; // div_assign |
| assert_eq!(v, f); |
| v /= ti; |
| assert_eq!(v, t); |
| v %= ti; // rem_assign |
| assert_eq!(v, z); |
| } |
| } |
| } |
| } |
| } |
| }; |
| } |
