projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| f20569fa XL |
1 | //! Implements vertical (lane-wise) floating-point `mul_add`. |
| 2 | ||
| 3 | macro_rules! impl_math_float_mul_add { | |
| 4 | ([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => { | |
| 5 | impl $id { | |
| 6 | /// Fused multiply add: `self * y + z` | |
| 7 | #[inline] | |
| 8 | pub fn mul_add(self, y: Self, z: Self) -> Self { | |
| 9 | use crate::codegen::math::float::mul_add::MulAdd; | |
| 10 | MulAdd::mul_add(self, y, z) | |
| 11 | } | |
| 12 | } | |
| 13 | ||
| 14 | test_if!{ | |
| 15 | $test_tt: | |
| 16 | paste::item! { | |
| 17 | pub mod [<$id _math_mul_add>] { | |
| 18 | use super::*; | |
| 19 | #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] | |
| 20 | fn mul_add() { | |
| 21 | let z = $id::splat(0 as $elem_ty); | |
| 22 | let o = $id::splat(1 as $elem_ty); | |
| 23 | let t = $id::splat(2 as $elem_ty); | |
| 24 | let t3 = $id::splat(3 as $elem_ty); | |
| 25 | let f = $id::splat(4 as $elem_ty); | |
| 26 | ||
| 27 | assert_eq!(z, z.mul_add(z, z)); | |
| 28 | assert_eq!(o, o.mul_add(o, z)); | |
| 29 | assert_eq!(o, o.mul_add(z, o)); | |
| 30 | assert_eq!(o, z.mul_add(o, o)); | |
| 31 | ||
| 32 | assert_eq!(t, o.mul_add(o, o)); | |
| 33 | assert_eq!(t, o.mul_add(t, z)); | |
| 34 | assert_eq!(t, t.mul_add(o, z)); | |
| 35 | ||
| 36 | assert_eq!(f, t.mul_add(t, z)); | |
| 37 | assert_eq!(f, t.mul_add(o, t)); | |
| 38 | assert_eq!(t3, t.mul_add(o, o)); | |
| 39 | } | |
| 40 | } | |
| 41 | } | |
| 42 | } | |
| 43 | }; | |
| 44 | } |