simd_double1 A vector of one 64-bit floating-point element. Declarationtypealias simd_double1 = Double TopicsCommon Functionsstep(_:edge:)simd_step(_:_:)simd_clamp(_:_:_:)simd_fract(_:)sign(_:)simd_sign(_:)Interpolation Functionssimd_smoothstep(_:_:_:)simd_mix(_:_:_:)Extrema Functionsmin(_:_:)simd_min(_:_:)max(_:_:)simd_max(_:_:)Math Functionssimd_muladd(_:_:_:)Reciprocal and Reciprocal Square Root Functionsrecip(_:)simd_recip(_:)simd_fast_recip(_:)simd_precise_recip(_:)rsqrt(_:)simd_rsqrt(_:)simd_fast_rsqrt(_:)simd_precise_rsqrt(_:) See AlsoVector data typessimd_double2simd_double3simd_double4simd_double8