| //! 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()); |
| } |
| } |
| } |
| } |
| }; |
| } |