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/*! @header
* This header defines macros used in the implementation of <simd/simd.h>
* types and functions. Even though they are exposed in a public header,
* the macros defined in this header are implementation details, and you
* should not use or rely on them. They may be changed or removed entirely
* in a future release.
*
* @copyright 2016-2017 Apple, Inc. All rights reserved.
* @unsorted */
#ifndef SIMD_BASE
#define SIMD_BASE
/* Define __has_attribute and __has_include if they aren't available */
# ifndef __has_attribute
# define __has_attribute(__x) 0
# endif
# ifndef __has_include
# define __has_include(__x) 0
# endif
# ifndef __has_feature
# define __has_feature(__x) 0
# endif
# if __has_attribute(__ext_vector_type__) && __has_attribute(__overloadable__)
# define SIMD_COMPILER_HAS_REQUIRED_FEATURES 1
# else
/* Your compiler is missing one or more features that are hard requirements
* for any <simd/simd.h> support. None of the types or functions defined by
* the simd headers will be available. */
# define SIMD_COMPILER_HAS_REQUIRED_FEATURES 0
# endif
# if SIMD_COMPILER_HAS_REQUIRED_FEATURES
# define SIMD_CURRENT_LIBRARY_VERSION 6
# if __has_include(<TargetConditionals.h>) && __has_include(<Availability.h>)
# include <TargetConditionals.h>
# include <Availability.h>
/* A number of new features are added in newer releases; most of these are
* inline in the header, which makes them available even when targeting older
* OS versions. Those that make external calls, however, are only available
* when targeting the release in which they became available. Because of the
* way in which simd functions are overloaded, the usual weak-linking tricks
* do not work; these functions are simply unavailable when targeting older
* versions of the library. */
# if TARGET_OS_RTKIT
# define SIMD_LIBRARY_VERSION SIMD_CURRENT_LIBRARY_VERSION
# elif __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_15_0 || \
__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_18_0 || \
__WATCH_OS_VERSION_MIN_REQUIRED >= __WATCHOS_11_0 || \
__TV_OS_VERSION_MIN_REQUIRED >= __TVOS_18_0 || \
__XR_OS_VERSION_MIN_REQUIRED >= __XROS_2_0 || \
__BRIDGE_OS_VERSION_MIN_REQUIRED >= __BRIDGEOS_9_0 || \
__DRIVERKIT_VERSION_MIN_REQUIRED >= __DRIVERKIT_24_0
# define SIMD_LIBRARY_VERSION 6
# elif __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_13_0 || \
__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_16_0 || \
__WATCH_OS_VERSION_MIN_REQUIRED >= __WATCHOS_9_0 || \
__TV_OS_VERSION_MIN_REQUIRED >= __TVOS_16_0 || \
__BRIDGE_OS_VERSION_MIN_REQUIRED >= __BRIDGEOS_7_0 || \
__DRIVERKIT_VERSION_MIN_REQUIRED >= __DRIVERKIT_22_0
# define SIMD_LIBRARY_VERSION 5
# elif __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_12_0 || \
__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_15_0 || \
__WATCH_OS_VERSION_MIN_REQUIRED >= __WATCHOS_8_0 || \
__TV_OS_VERSION_MIN_REQUIRED >= __TVOS_15_0 || \
__BRIDGE_OS_VERSION_MIN_REQUIRED >= __BRIDGEOS_6_0 || \
__DRIVERKIT_VERSION_MIN_REQUIRED >= __DRIVERKIT_21_0
# define SIMD_LIBRARY_VERSION 4
# elif __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_13 || \
__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_11_0 || \
__WATCH_OS_VERSION_MIN_REQUIRED >= __WATCHOS_4_0 || \
__TV_OS_VERSION_MIN_REQUIRED >= __TVOS_11_0 || \
__DRIVERKIT_VERSION_MIN_REQUIRED >= __DRIVERKIT_19_0
# define SIMD_LIBRARY_VERSION 3
# elif __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_12 || \
__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_10_0 || \
__WATCH_OS_VERSION_MIN_REQUIRED >= __WATCHOS_3_0 || \
__TV_OS_VERSION_MIN_REQUIRED >= __TVOS_10_0
# define SIMD_LIBRARY_VERSION 2
# elif __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_10 || \
__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_8_0
# define SIMD_LIBRARY_VERSION 1
# else
# define SIMD_LIBRARY_VERSION 0
# endif
# else /* !__has_include(<TargetContidionals.h>) && __has_include(<Availability.h>) */
# define SIMD_LIBRARY_VERSION SIMD_CURRENT_LIBRARY_VERSION
# define __API_AVAILABLE(...) /* Nothing */
# endif
/* The simd types interoperate with the native simd intrinsic types for each
* architecture; the headers that define those types and operations are
* automatically included with simd.h */
# if defined __ARM_NEON
# include <arm_neon.h>
# elif defined __i386__ || defined __x86_64__
# include <immintrin.h>
# endif
/* Define a number of function attributes used by the simd functions. */
# if __has_attribute(__always_inline__)
# define SIMD_INLINE __attribute__((__always_inline__))
# else
# define SIMD_INLINE inline
# endif
# if __has_attribute(__const__)
# define SIMD_CONST __attribute__((__const__))
# else
# define SIMD_CONST /* nothing */
# endif
# if __has_attribute(__nodebug__)
# define SIMD_NODEBUG __attribute__((__nodebug__))
# else
# define SIMD_NODEBUG /* nothing */
# endif
# if __has_attribute(__deprecated__)
# define SIMD_DEPRECATED(message) __attribute__((__deprecated__(message)))
# else
# define SIMD_DEPRECATED(message) /* nothing */
# endif
#define SIMD_OVERLOAD __attribute__((__overloadable__))
#define SIMD_CPPFUNC SIMD_INLINE SIMD_CONST SIMD_NODEBUG
#define SIMD_CFUNC SIMD_CPPFUNC SIMD_OVERLOAD
#define SIMD_NOINLINE SIMD_CONST SIMD_NODEBUG SIMD_OVERLOAD
#define SIMD_NONCONST SIMD_INLINE SIMD_NODEBUG SIMD_OVERLOAD
#define __SIMD_INLINE__ SIMD_CPPFUNC
#define __SIMD_ATTRIBUTES__ SIMD_CFUNC
#define __SIMD_OVERLOAD__ SIMD_OVERLOAD
# if __has_feature(cxx_constexpr)
# define SIMD_CONSTEXPR constexpr
# else
# define SIMD_CONSTEXPR /* nothing */
# endif
# if __has_feature(cxx_noexcept)
# define SIMD_NOEXCEPT noexcept
# else
# define SIMD_NOEXCEPT /* nothing */
# endif
#if defined __cplusplus
/*! @abstract A boolean scalar. */
typedef bool simd_bool;
#else
/*! @abstract A boolean scalar. */
typedef _Bool simd_bool;
#endif
/*! @abstract A boolean scalar.
* @discussion This type is deprecated; In C or Objective-C sources, use
* `_Bool` instead. In C++ sources, use `bool`. */
typedef simd_bool __SIMD_BOOLEAN_TYPE__;
# endif /* SIMD_COMPILER_HAS_REQUIRED_FEATURES */
#endif /* defined SIMD_BASE */
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