blob: 4b170ee2b7559e59501ed6e5f58e26bc352f5ade [file] [log] [blame]
//! Implements vertical (lane-wise) floating-point `mul_add`.
macro_rules! impl_math_float_mul_add {
([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => {
impl $id {
/// Fused multiply add: `self * y + z`
#[inline]
pub fn mul_add(self, y: Self, z: Self) -> Self {
use crate::codegen::math::float::mul_add::MulAdd;
MulAdd::mul_add(self, y, z)
}
}
test_if!{
$test_tt:
paste::item! {
pub mod [<$id _math_mul_add>] {
use super::*;
#[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn mul_add() {
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 t3 = $id::splat(3 as $elem_ty);
let f = $id::splat(4 as $elem_ty);
assert_eq!(z, z.mul_add(z, z));
assert_eq!(o, o.mul_add(o, z));
assert_eq!(o, o.mul_add(z, o));
assert_eq!(o, z.mul_add(o, o));
assert_eq!(t, o.mul_add(o, o));
assert_eq!(t, o.mul_add(t, z));
assert_eq!(t, t.mul_add(o, z));
assert_eq!(f, t.mul_add(t, z));
assert_eq!(f, t.mul_add(o, t));
assert_eq!(t3, t.mul_add(o, o));
}
}
}
}
};
}