vendor/packed_simd_2/src/api/math/float/sin.rs

   1 //! Implements vertical (lane-wise) floating-point `sin`.
   2
   3 macro_rules! impl_math_float_sin {
   4     ([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => {
   5         impl $id {
   6             /// Sine.
   7             #[inline]
   8             pub fn sin(self) -> Self {
   9                 use crate::codegen::math::float::sin::Sin;
  10                 Sin::sin(self)
  11             }
  12
  13             /// Sine of `self * PI`.
  14             #[inline]
  15             pub fn sin_pi(self) -> Self {
  16                 use crate::codegen::math::float::sin_pi::SinPi;
  17                 SinPi::sin_pi(self)
  18             }
  19
  20             /// Sine and cosine of `self * PI`.
  21             #[inline]
  22             pub fn sin_cos_pi(self) -> (Self, Self) {
  23                 use crate::codegen::math::float::sin_cos_pi::SinCosPi;
  24                 SinCosPi::sin_cos_pi(self)
  25             }
  26         }
  27
  28         test_if!{
  29             $test_tt:
  30             paste::item! {
  31                 pub mod [<$id _math_sin>] {
  32                     use super::*;
  33                     #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
  34                     fn sin() {
  35                         use crate::$elem_ty::consts::PI;
  36                         let z = $id::splat(0 as $elem_ty);
  37                         let p = $id::splat(PI as $elem_ty);
  38                         let ph = $id::splat(PI as $elem_ty / 2.);
  39                         let o_r = $id::splat((PI as $elem_ty / 2.).sin());
  40                         let z_r = $id::splat((PI as $elem_ty).sin());
  41
  42                         assert_eq!(z, z.sin());
  43                         assert_eq!(o_r, ph.sin());
  44                         assert_eq!(z_r, p.sin());
  45                     }
  46                 }
  47             }
  48         }
  49     };
  50 }