simd_sign(_:) Returns the sign of each element in a vector. Declarationfunc simd_sign(_ x: simd_double3) -> simd_double3 See AlsoCommon Functionssimd_abs(_:)abs(_:)simd_clamp(_:_:_:)clamp(_:min:max:)clamp(_:min:max:)simd_equal(_:_:)simd_fract(_:)fract(_:)sign(_:)simd_step(_:_:)step(_:edge:)