Rebase on upstream/master

Author: andy-thomason

crates/core_simd/src/vector/float.rs

@@ -45,6 +45,20 @@ macro_rules! impl_float_vector {
                 Self::splat(1.0) / self
             }
 
+            /// Calculate the sine of the angle
+            #[inline]
+            pub fn sin(self) -> Self {
+                let x = Self::splat(1.0 / (3.14159265358 * 2.0)) * self;
+                let x = x - x.floor() - 0.5;
+                Self::splat(12.268859941019306)
+                    .mul_add(x * x, Self::splat(-41.216241051002875))
+                    .mul_add(x * x, Self::splat(76.58672703334098))
+                    .mul_add(x * x, Self::splat(-81.59746095374902))
+                    .mul_add(x * x, Self::splat(41.34151143437585))
+                    .mul_add(x * x, Self::splat(-6.283184525811273))
+                    * x
+            }
+
             /// Converts each lane from radians to degrees.
             #[inline]
             #[must_use = "method returns a new vector and does not mutate the original value"]

crates/core_simd/tests/ops_macros.rs

@@ -397,6 +397,14 @@ macro_rules! impl_float_tests {
                     )
                 }
 
+                fn sin<const LANES: usize>() {
+                    test_helpers::test_unary_elementwise(
+                        &Vector::<LANES>::sin,
+                        &Scalar::sin,
+                        &|_| true,
+                    )
+                }
+
                 fn to_degrees<const LANES: usize>() {
                     test_helpers::test_unary_elementwise(
                         &Vector::<LANES>::to_degrees,