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