| //! Implements vertical (lane-wise) floating-point `cos`. |
| |
| macro_rules! impl_math_float_cos { |
| ([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => { |
| impl $id { |
| /// Cosine. |
| #[inline] |
| pub fn cos(self) -> Self { |
| use crate::codegen::math::float::cos::Cos; |
| Cos::cos(self) |
| } |
| |
| /// Cosine of `self * PI`. |
| #[inline] |
| pub fn cos_pi(self) -> Self { |
| use crate::codegen::math::float::cos_pi::CosPi; |
| CosPi::cos_pi(self) |
| } |
| } |
| |
| test_if!{ |
| $test_tt: |
| paste::item! { |
| pub mod [<$id _math_cos>] { |
| use super::*; |
| #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] |
| fn cos() { |
| use crate::$elem_ty::consts::PI; |
| let z = $id::splat(0 as $elem_ty); |
| let o = $id::splat(1 as $elem_ty); |
| let p = $id::splat(PI as $elem_ty); |
| let ph = $id::splat(PI as $elem_ty / 2.); |
| let z_r = $id::splat((PI as $elem_ty / 2.).cos()); |
| let o_r = $id::splat((PI as $elem_ty).cos()); |
| |
| assert_eq!(o, z.cos()); |
| assert_eq!(z_r, ph.cos()); |
| assert_eq!(o_r, p.cos()); |
| } |
| } |
| } |
| } |
| }; |
| } |