feat():initial version
This commit is contained in:
204
install/boost_1_75_0/include/boost/predef/other/endian.h
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204
install/boost_1_75_0/include/boost/predef/other/endian.h
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/*
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Copyright Rene Rivera 2013-2015
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_PREDEF_ENDIAN_H
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#define BOOST_PREDEF_ENDIAN_H
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#include <boost/predef/version_number.h>
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#include <boost/predef/make.h>
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#include <boost/predef/library/c/gnu.h>
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#include <boost/predef/os/macos.h>
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#include <boost/predef/os/bsd.h>
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#include <boost/predef/platform/android.h>
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/* tag::reference[]
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= `BOOST_ENDIAN_*`
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Detection of endian memory ordering. There are four defined macros
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in this header that define the various generally possible endian
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memory orderings:
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* `BOOST_ENDIAN_BIG_BYTE`, byte-swapped big-endian.
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* `BOOST_ENDIAN_BIG_WORD`, word-swapped big-endian.
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* `BOOST_ENDIAN_LITTLE_BYTE`, byte-swapped little-endian.
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* `BOOST_ENDIAN_LITTLE_WORD`, word-swapped little-endian.
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The detection is conservative in that it only identifies endianness
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that it knows for certain. In particular bi-endianness is not
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indicated as is it not practically possible to determine the
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endianness from anything but an operating system provided
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header. And the currently known headers do not define that
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programatic bi-endianness is available.
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This implementation is a compilation of various publicly available
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information and acquired knowledge:
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. The indispensable documentation of "Pre-defined Compiler Macros"
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http://sourceforge.net/p/predef/wiki/Endianness[Endianness].
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. The various endian specifications available in the
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http://wikipedia.org/[Wikipedia] computer architecture pages.
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. Generally available searches for headers that define endianness.
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*/ // end::reference[]
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#define BOOST_ENDIAN_BIG_BYTE BOOST_VERSION_NUMBER_NOT_AVAILABLE
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#define BOOST_ENDIAN_BIG_WORD BOOST_VERSION_NUMBER_NOT_AVAILABLE
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#define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_NOT_AVAILABLE
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#define BOOST_ENDIAN_LITTLE_WORD BOOST_VERSION_NUMBER_NOT_AVAILABLE
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/* GNU libc provides a header defining __BYTE_ORDER, or _BYTE_ORDER.
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* And some OSs provide some for of endian header also.
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*/
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#if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
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!BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
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# if BOOST_LIB_C_GNU || BOOST_PLAT_ANDROID
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# include <endian.h>
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# else
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# if BOOST_OS_MACOS
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# include <machine/endian.h>
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# else
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# if BOOST_OS_BSD
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# if BOOST_OS_BSD_OPEN
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# include <machine/endian.h>
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# else
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# include <sys/endian.h>
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# endif
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# endif
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# endif
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# endif
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# if defined(__BYTE_ORDER)
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# if defined(__BIG_ENDIAN) && (__BYTE_ORDER == __BIG_ENDIAN)
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# undef BOOST_ENDIAN_BIG_BYTE
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# define BOOST_ENDIAN_BIG_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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# if defined(__LITTLE_ENDIAN) && (__BYTE_ORDER == __LITTLE_ENDIAN)
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# undef BOOST_ENDIAN_LITTLE_BYTE
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# define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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# if defined(__PDP_ENDIAN) && (__BYTE_ORDER == __PDP_ENDIAN)
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# undef BOOST_ENDIAN_LITTLE_WORD
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# define BOOST_ENDIAN_LITTLE_WORD BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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# endif
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# if !defined(__BYTE_ORDER) && defined(_BYTE_ORDER)
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# if defined(_BIG_ENDIAN) && (_BYTE_ORDER == _BIG_ENDIAN)
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# undef BOOST_ENDIAN_BIG_BYTE
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# define BOOST_ENDIAN_BIG_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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# if defined(_LITTLE_ENDIAN) && (_BYTE_ORDER == _LITTLE_ENDIAN)
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# undef BOOST_ENDIAN_LITTLE_BYTE
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# define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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# if defined(_PDP_ENDIAN) && (_BYTE_ORDER == _PDP_ENDIAN)
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# undef BOOST_ENDIAN_LITTLE_WORD
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# define BOOST_ENDIAN_LITTLE_WORD BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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# endif
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#endif
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/* Built-in byte-swpped big-endian macros.
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*/
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#if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
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!BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
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# if (defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)) || \
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(defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)) || \
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defined(__ARMEB__) || \
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defined(__THUMBEB__) || \
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defined(__AARCH64EB__) || \
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defined(_MIPSEB) || \
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defined(__MIPSEB) || \
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defined(__MIPSEB__)
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# undef BOOST_ENDIAN_BIG_BYTE
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# define BOOST_ENDIAN_BIG_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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#endif
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/* Built-in byte-swpped little-endian macros.
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*/
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#if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
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!BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
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# if (defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)) || \
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(defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)) || \
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defined(__ARMEL__) || \
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defined(__THUMBEL__) || \
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defined(__AARCH64EL__) || \
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defined(_MIPSEL) || \
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defined(__MIPSEL) || \
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defined(__MIPSEL__) || \
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defined(__riscv)
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# undef BOOST_ENDIAN_LITTLE_BYTE
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# define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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#endif
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/* Some architectures are strictly one endianess (as opposed
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* the current common bi-endianess).
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*/
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#if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
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!BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
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# include <boost/predef/architecture.h>
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# if BOOST_ARCH_M68K || \
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BOOST_ARCH_PARISC || \
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BOOST_ARCH_SPARC || \
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BOOST_ARCH_SYS370 || \
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BOOST_ARCH_SYS390 || \
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BOOST_ARCH_Z
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# undef BOOST_ENDIAN_BIG_BYTE
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# define BOOST_ENDIAN_BIG_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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# if BOOST_ARCH_IA64 || \
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BOOST_ARCH_X86 || \
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BOOST_ARCH_BLACKFIN
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# undef BOOST_ENDIAN_LITTLE_BYTE
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# define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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#endif
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/* Windows on ARM, if not otherwise detected/specified, is always
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* byte-swaped little-endian.
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*/
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#if !BOOST_ENDIAN_BIG_BYTE && !BOOST_ENDIAN_BIG_WORD && \
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!BOOST_ENDIAN_LITTLE_BYTE && !BOOST_ENDIAN_LITTLE_WORD
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# if BOOST_ARCH_ARM
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# include <boost/predef/os/windows.h>
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# if BOOST_OS_WINDOWS
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# undef BOOST_ENDIAN_LITTLE_BYTE
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# define BOOST_ENDIAN_LITTLE_BYTE BOOST_VERSION_NUMBER_AVAILABLE
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# endif
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# endif
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#endif
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#if BOOST_ENDIAN_BIG_BYTE
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# define BOOST_ENDIAN_BIG_BYTE_AVAILABLE
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#endif
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#if BOOST_ENDIAN_BIG_WORD
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# define BOOST_ENDIAN_BIG_WORD_BYTE_AVAILABLE
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#endif
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#if BOOST_ENDIAN_LITTLE_BYTE
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# define BOOST_ENDIAN_LITTLE_BYTE_AVAILABLE
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#endif
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#if BOOST_ENDIAN_LITTLE_WORD
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# define BOOST_ENDIAN_LITTLE_WORD_BYTE_AVAILABLE
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#endif
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#define BOOST_ENDIAN_BIG_BYTE_NAME "Byte-Swapped Big-Endian"
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#define BOOST_ENDIAN_BIG_WORD_NAME "Word-Swapped Big-Endian"
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#define BOOST_ENDIAN_LITTLE_BYTE_NAME "Byte-Swapped Little-Endian"
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#define BOOST_ENDIAN_LITTLE_WORD_NAME "Word-Swapped Little-Endian"
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#endif
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#include <boost/predef/detail/test.h>
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BOOST_PREDEF_DECLARE_TEST(BOOST_ENDIAN_BIG_BYTE,BOOST_ENDIAN_BIG_BYTE_NAME)
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#include <boost/predef/detail/test.h>
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BOOST_PREDEF_DECLARE_TEST(BOOST_ENDIAN_BIG_WORD,BOOST_ENDIAN_BIG_WORD_NAME)
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#include <boost/predef/detail/test.h>
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BOOST_PREDEF_DECLARE_TEST(BOOST_ENDIAN_LITTLE_BYTE,BOOST_ENDIAN_LITTLE_BYTE_NAME)
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#include <boost/predef/detail/test.h>
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BOOST_PREDEF_DECLARE_TEST(BOOST_ENDIAN_LITTLE_WORD,BOOST_ENDIAN_LITTLE_WORD_NAME)
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95
install/boost_1_75_0/include/boost/predef/other/workaround.h
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95
install/boost_1_75_0/include/boost/predef/other/workaround.h
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@@ -0,0 +1,95 @@
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/*
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Copyright Rene Rivera 2017
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_PREDEF_WORKAROUND_H
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#define BOOST_PREDEF_WORKAROUND_H
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/* tag::reference[]
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= `BOOST_PREDEF_WORKAROUND`
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[source]
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----
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BOOST_PREDEF_WORKAROUND(symbol,comp,major,minor,patch)
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----
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Usage:
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[source]
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----
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#if BOOST_PREDEF_WORKAROUND(BOOST_COMP_CLANG,<,3,0,0)
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// Workaround for old clang compilers..
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#endif
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----
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Defines a comparison against two version numbers that depends on the definion
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of `BOOST_STRICT_CONFIG`. When `BOOST_STRICT_CONFIG` is defined this will expand
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to a value convertible to `false`. Which has the effect of disabling all code
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conditionally guarded by `BOOST_PREDEF_WORKAROUND`. When `BOOST_STRICT_CONFIG`
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is undefine this expand to test the given `symbol` version value with the
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`comp` comparison against `BOOST_VERSION_NUMBER(major,minor,patch)`.
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*/ // end::reference[]
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#ifdef BOOST_STRICT_CONFIG
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# define BOOST_PREDEF_WORKAROUND(symbol, comp, major, minor, patch) (0)
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#else
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# include <boost/predef/version_number.h>
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# define BOOST_PREDEF_WORKAROUND(symbol, comp, major, minor, patch) \
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( (symbol) != (0) ) && \
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( (symbol) comp (BOOST_VERSION_NUMBER( (major) , (minor) , (patch) )) )
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#endif
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/* tag::reference[]
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= `BOOST_PREDEF_TESTED_AT`
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[source]
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----
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BOOST_PREDEF_TESTED_AT(symbol,major,minor,patch)
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----
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Usage:
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[source]
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----
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#if BOOST_PREDEF_TESTED_AT(BOOST_COMP_CLANG,3,5,0)
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// Needed for clang, and last checked for 3.5.0.
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#endif
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----
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Defines a comparison against two version numbers that depends on the definion
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of `BOOST_STRICT_CONFIG` and `BOOST_DETECT_OUTDATED_WORKAROUNDS`.
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When `BOOST_STRICT_CONFIG` is defined this will expand to a value convertible
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to `false`. Which has the effect of disabling all code
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conditionally guarded by `BOOST_PREDEF_TESTED_AT`. When `BOOST_STRICT_CONFIG`
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is undefined this expand to either:
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* A value convertible to `true` when `BOOST_DETECT_OUTDATED_WORKAROUNDS` is not
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defined.
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* A value convertible `true` when the expansion of
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`BOOST_PREDEF_WORKAROUND(symbol, <=, major, minor, patch)` is `true` and
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`BOOST_DETECT_OUTDATED_WORKAROUNDS` is defined.
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* A compile error when the expansion of
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`BOOST_PREDEF_WORKAROUND(symbol, >, major, minor, patch)` is true and
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`BOOST_DETECT_OUTDATED_WORKAROUNDS` is defined.
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*/ // end::reference[]
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#ifdef BOOST_STRICT_CONFIG
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# define BOOST_PREDEF_TESTED_AT(symbol, major, minor, patch) (0)
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#else
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# ifdef BOOST_DETECT_OUTDATED_WORKAROUNDS
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# define BOOST_PREDEF_TESTED_AT(symbol, major, minor, patch) ( \
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BOOST_PREDEF_WORKAROUND(symbol, <=, major, minor, patch) \
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? 1 \
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: (1%0) )
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# else
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# define BOOST_PREDEF_TESTED_AT(symbol, major, minor, patch) \
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( (symbol) >= BOOST_VERSION_NUMBER_AVAILABLE )
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# endif
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#endif
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#endif
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