New upstream version 1.52.1+dfsg1

[rustc.git] / vendor / packed_simd / src / api / math / float / sqrt.rs

diff --git a/vendor/packed_simd/src/api/math/float/sqrt.rs b/vendor/packed_simd/src/api/math/float/sqrt.rs
new file mode 100644 (file)
index 0000000..ae62412
--- /dev/null
+++ b/vendor/packed_simd/src/api/math/float/sqrt.rs
@@ -0,0 +1,35 @@
+//! Implements vertical (lane-wise) floating-point `sqrt`.
+
+macro_rules! impl_math_float_sqrt {
+    ([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => {
+        impl $id {
+            #[inline]
+            pub fn sqrt(self) -> Self {
+                use crate::codegen::math::float::sqrt::Sqrt;
+                Sqrt::sqrt(self)
+            }
+        }
+
+        test_if!{
+            $test_tt:
+            paste::item! {
+                pub mod [<$id _math_sqrt>] {
+                    use super::*;
+                    #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
+                    fn sqrt() {
+                        use crate::$elem_ty::consts::SQRT_2;
+                        let z = $id::splat(0 as $elem_ty);
+                        let o = $id::splat(1 as $elem_ty);
+                        assert_eq!(z, z.sqrt());
+                        assert_eq!(o, o.sqrt());
+
+                        let t = $id::splat(2 as $elem_ty);
+                        let e = $id::splat(SQRT_2);
+                        assert_eq!(e, t.sqrt());
+
+                    }
+                }
+            }
+        }
+    };
+}