# simd Macros ## Topics ### Macros [`#define SIMD_CFUNC`](/documentation/simd/SIMD_CFUNC) [`#define SIMD_CONST`](/documentation/simd/SIMD_CONST) [`#define SIMD_CPPFUNC`](/documentation/simd/SIMD_CPPFUNC) [`var SIMD_CURRENT_LIBRARY_VERSION: Int32`](/documentation/simd/SIMD_CURRENT_LIBRARY_VERSION) [`#define SIMD_DEPRECATED(message)`](/documentation/simd/SIMD_DEPRECATED) [`#define SIMD_INLINE`](/documentation/simd/SIMD_INLINE) [`#define SIMD_NODEBUG`](/documentation/simd/SIMD_NODEBUG) [`#define SIMD_NOINLINE`](/documentation/simd/SIMD_NOINLINE) [`#define SIMD_NONCONST`](/documentation/simd/SIMD_NONCONST) [`#define SIMD_OVERLOAD`](/documentation/simd/SIMD_OVERLOAD) [`#define carg(__x)`](/documentation/simd/carg) [`#define ceil(__x)`](/documentation/simd/ceil) [`#define cimag(__x)`](/documentation/simd/cimag) [`#define conj(__x)`](/documentation/simd/conj) [`#define cproj(__x)`](/documentation/simd/cproj) [`#define creal(__x)`](/documentation/simd/creal) [`#define floor(__x)`](/documentation/simd/floor) [`#define fmax(__x, __y)`](/documentation/simd/fmax) [`#define fmin(__x, __y)`](/documentation/simd/fmin) [`#define frexp(__x, __y)`](/documentation/simd/frexp) [`#define ilogb(__x)`](/documentation/simd/ilogb) [`#define isfinite(__x)`](/documentation/simd/isfinite) [`#define isinf(__x)`](/documentation/simd/isinf) [`#define isnan(__x)`](/documentation/simd/isnan) [`#define isnormal(__x)`](/documentation/simd/isnormal) [`#define ldexp(__x, __y)`](/documentation/simd/ldexp) [`#define lgamma(__x)`](/documentation/simd/lgamma) [`#define llrint(__x)`](/documentation/simd/llrint) [`#define llround(__x)`](/documentation/simd/llround) [`#define logb(__x)`](/documentation/simd/logb) [`#define lrint(__x)`](/documentation/simd/lrint) [`#define lround(__x)`](/documentation/simd/lround) [`#define matrix_add`](/documentation/simd/matrix_add) [`#define matrix_almost_equal_elements`](/documentation/simd/matrix_almost_equal_elements) [`#define matrix_almost_equal_elements_relative`](/documentation/simd/matrix_almost_equal_elements_relative) [`#define matrix_determinant`](/documentation/simd/matrix_determinant) [`#define matrix_equal`](/documentation/simd/matrix_equal) [`#define matrix_from_columns`](/documentation/simd/matrix_from_columns) [`#define matrix_from_diagonal`](/documentation/simd/matrix_from_diagonal) [`#define matrix_from_rows`](/documentation/simd/matrix_from_rows) [`#define matrix_invert`](/documentation/simd/matrix_invert) [`#define matrix_linear_combination`](/documentation/simd/matrix_linear_combination) [`#define matrix_sub`](/documentation/simd/matrix_sub) [`#define matrix_trace`](/documentation/simd/matrix_trace) [`#define matrix_transpose`](/documentation/simd/matrix_transpose) [`#define nearbyint(__x)`](/documentation/simd/nearbyint) [`#define nexttoward(__x, __y)`](/documentation/simd/nexttoward) [`#define remquo(__x, __y, __z)`](/documentation/simd/remquo) [`#define scalbln(__x, __y)`](/documentation/simd/scalbln) [`#define scalbn(__x, __y)`](/documentation/simd/scalbn) [`#define simd_lerp`](/documentation/simd/simd_lerp) [`#define sincos(__x, __sinp, __cosp)`](/documentation/simd/sincos) [`#define sincospi(__x, __sinp, __cosp)`](/documentation/simd/sincospi) [`#define trunc(__x)`](/documentation/simd/trunc) [`#define vector_abs`](/documentation/simd/vector_abs) [`#define vector_all`](/documentation/simd/vector_all) [`#define vector_any`](/documentation/simd/vector_any) [`#define vector_bitselect`](/documentation/simd/vector_bitselect) [`#define vector_char`](/documentation/simd/vector_char) [`#define vector_char_sat`](/documentation/simd/vector_char_sat) [`#define vector_clamp`](/documentation/simd/vector_clamp) [`#define vector_cross`](/documentation/simd/vector_cross) [`#define vector_distance`](/documentation/simd/vector_distance) [`#define vector_distance_squared`](/documentation/simd/vector_distance_squared) [`#define vector_dot`](/documentation/simd/vector_dot) [`#define vector_double`](/documentation/simd/vector_double) [`#define vector_fast_distance`](/documentation/simd/vector_fast_distance) [`#define vector_fast_length`](/documentation/simd/vector_fast_length) [`#define vector_fast_normalize`](/documentation/simd/vector_fast_normalize) [`#define vector_fast_project`](/documentation/simd/vector_fast_project) [`#define vector_fast_recip`](/documentation/simd/vector_fast_recip) [`#define vector_fast_rsqrt`](/documentation/simd/vector_fast_rsqrt) [`#define vector_float`](/documentation/simd/vector_float) [`#define vector_fract`](/documentation/simd/vector_fract) [`#define vector_int`](/documentation/simd/vector_int) [`#define vector_int_sat`](/documentation/simd/vector_int_sat) [`#define vector_length`](/documentation/simd/vector_length) [`#define vector_length_squared`](/documentation/simd/vector_length_squared) [`#define vector_long`](/documentation/simd/vector_long) [`#define vector_long_sat`](/documentation/simd/vector_long_sat) [`#define vector_max`](/documentation/simd/vector_max) [`#define vector_min`](/documentation/simd/vector_min) [`#define vector_mix`](/documentation/simd/vector_mix) [`#define vector_norm_inf`](/documentation/simd/vector_norm_inf) [`#define vector_norm_one`](/documentation/simd/vector_norm_one) [`#define vector_normalize`](/documentation/simd/vector_normalize) [`#define vector_precise_distance`](/documentation/simd/vector_precise_distance) [`#define vector_precise_length`](/documentation/simd/vector_precise_length) [`#define vector_precise_normalize`](/documentation/simd/vector_precise_normalize) [`#define vector_precise_project`](/documentation/simd/vector_precise_project) [`#define vector_precise_recip`](/documentation/simd/vector_precise_recip) [`#define vector_precise_rsqrt`](/documentation/simd/vector_precise_rsqrt) [`#define vector_project`](/documentation/simd/vector_project) [`#define vector_recip`](/documentation/simd/vector_recip) [`#define vector_reduce_add`](/documentation/simd/vector_reduce_add) [`#define vector_reduce_max`](/documentation/simd/vector_reduce_max) [`#define vector_reduce_min`](/documentation/simd/vector_reduce_min) [`#define vector_reflect`](/documentation/simd/vector_reflect) [`#define vector_refract`](/documentation/simd/vector_refract) [`#define vector_rsqrt`](/documentation/simd/vector_rsqrt) [`#define vector_select`](/documentation/simd/vector_select) [`#define vector_short`](/documentation/simd/vector_short) [`#define vector_short_sat`](/documentation/simd/vector_short_sat) [`#define vector_sign`](/documentation/simd/vector_sign) [`#define vector_smoothstep`](/documentation/simd/vector_smoothstep) [`#define vector_step`](/documentation/simd/vector_step) [`#define vector_uchar`](/documentation/simd/vector_uchar) [`#define vector_uchar_sat`](/documentation/simd/vector_uchar_sat) [`#define vector_uint`](/documentation/simd/vector_uint) [`#define vector_uint_sat`](/documentation/simd/vector_uint_sat) [`#define vector_ulong`](/documentation/simd/vector_ulong) [`#define vector_ulong_sat`](/documentation/simd/vector_ulong_sat) [`#define vector_ushort`](/documentation/simd/vector_ushort) [`#define vector_ushort_sat`](/documentation/simd/vector_ushort_sat) --- Copyright © 2026 Apple Inc. 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