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//! Implements vertical (lane-wise) floating-point `exp`.
macro_rules! impl_math_float_exp {
([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => {
impl $id {
/// Returns the exponential function of `self`: `e^(self)`.
#[inline]
pub fn exp(self) -> Self {
use crate::codegen::math::float::exp::Exp;
Exp::exp(self)
}
}
test_if!{
$test_tt:
paste::item! {
pub mod [<$id _math_exp>] {
use super::*;
#[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn exp() {
let z = $id::splat(0 as $elem_ty);
let o = $id::splat(1 as $elem_ty);
assert_eq!(o, z.exp());
let e = $id::splat(crate::f64::consts::E as $elem_ty);
let tol = $id::splat(2.4e-4 as $elem_ty);
assert!((e - o.exp()).abs().le(tol).all());
}
}
}
}
};
}
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