simd_rsqrt(_:) Returns the reciprocal square root of each element in a vector. Declarationfunc simd_rsqrt(_ x: Float16) -> Float16 See AlsoReciprocal and reciprocal square root functionssimd_recip(_:)simd_precise_recip(_:)simd_precise_rsqrt(_:)simd_fast_recip(_:)simd_fast_rsqrt(_:)