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317 lines
5.7 KiB
317 lines
5.7 KiB
/* ecrypt-config.h */
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/* *** Normally, it should not be necessary to edit this file. *** */
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#ifndef ECRYPT_CONFIG
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#define ECRYPT_CONFIG
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/* ------------------------------------------------------------------------- */
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/* Guess the endianness of the target architecture. */
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/*
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* The LITTLE endian machines:
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*/
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#if defined(__ultrix) /* Older MIPS */
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#define ECRYPT_LITTLE_ENDIAN
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#elif defined(__alpha) /* Alpha */
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#define ECRYPT_LITTLE_ENDIAN
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#elif defined(i386) /* x86 (gcc) */
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#define ECRYPT_LITTLE_ENDIAN
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#elif defined(__i386) /* x86 (gcc) */
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#define ECRYPT_LITTLE_ENDIAN
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#elif defined(__x86_64) /* x86_64 (gcc) */
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#define ECRYPT_LITTLE_ENDIAN
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#elif defined(_M_IX86) /* x86 (MSC, Borland) */
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#define ECRYPT_LITTLE_ENDIAN
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#elif defined(_MSC_VER) /* x86 (surely MSC) */
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#define ECRYPT_LITTLE_ENDIAN
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#elif defined(__INTEL_COMPILER) /* x86 (surely Intel compiler icl.exe) */
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#define ECRYPT_LITTLE_ENDIAN
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/*
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* The BIG endian machines:
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*/
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#elif defined(__sparc) /* Newer Sparc's */
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#define ECRYPT_BIG_ENDIAN
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#elif defined(__powerpc__) /* PowerPC */
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#define ECRYPT_BIG_ENDIAN
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#elif defined(__ppc__) /* PowerPC */
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#define ECRYPT_BIG_ENDIAN
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#elif defined(__hppa) /* HP-PA */
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#define ECRYPT_BIG_ENDIAN
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/*
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* Finally machines with UNKNOWN endianness:
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*/
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#elif defined (_AIX) /* RS6000 */
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#define ECRYPT_UNKNOWN
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#elif defined(__aux) /* 68K */
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#define ECRYPT_UNKNOWN
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#elif defined(__dgux) /* 88K (but P6 in latest boxes) */
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#define ECRYPT_UNKNOWN
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#elif defined(__sgi) /* Newer MIPS */
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#define ECRYPT_UNKNOWN
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#else /* Any other processor */
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#define ECRYPT_UNKNOWN
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#endif
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/* ------------------------------------------------------------------------- */
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/*
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* Find minimal-width types to store 8-bit, 16-bit, 32-bit, and 64-bit
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* integers.
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*
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* Note: to enable 64-bit types on 32-bit compilers, it might be
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* necessary to switch from ISO C90 mode to ISO C99 mode (e.g., gcc
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* -std=c99), or to allow compiler-specific extensions.
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*/
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#include <limits.h>
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/* --- check char --- */
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#if (UCHAR_MAX / 0xFU > 0xFU)
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#ifndef I8T
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#define I8T char
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#define U8C(v) (v##U)
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#if (UCHAR_MAX == 0xFFU)
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#define ECRYPT_I8T_IS_BYTE
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#endif
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#endif
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#if (UCHAR_MAX / 0xFFU > 0xFFU)
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#ifndef I16T
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#define I16T char
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#define U16C(v) (v##U)
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#endif
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#if (UCHAR_MAX / 0xFFFFU > 0xFFFFU)
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#ifndef I32T
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#define I32T char
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#define U32C(v) (v##U)
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#endif
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#if (UCHAR_MAX / 0xFFFFFFFFU > 0xFFFFFFFFU)
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#ifndef I64T
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#define I64T char
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#define U64C(v) (v##U)
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#define ECRYPT_NATIVE64
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#endif
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#endif
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#endif
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#endif
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#endif
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/* --- check short --- */
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#if (USHRT_MAX / 0xFU > 0xFU)
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#ifndef I8T
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#define I8T short
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#define U8C(v) (v##U)
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#if (USHRT_MAX == 0xFFU)
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#define ECRYPT_I8T_IS_BYTE
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#endif
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#endif
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#if (USHRT_MAX / 0xFFU > 0xFFU)
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#ifndef I16T
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#define I16T short
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#define U16C(v) (v##U)
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#endif
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#if (USHRT_MAX / 0xFFFFU > 0xFFFFU)
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#ifndef I32T
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#define I32T short
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#define U32C(v) (v##U)
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#endif
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#if (USHRT_MAX / 0xFFFFFFFFU > 0xFFFFFFFFU)
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#ifndef I64T
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#define I64T short
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#define U64C(v) (v##U)
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#define ECRYPT_NATIVE64
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#endif
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#endif
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#endif
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#endif
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#endif
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/* --- check int --- */
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#if (UINT_MAX / 0xFU > 0xFU)
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#ifndef I8T
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#define I8T int
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#define U8C(v) (v##U)
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#if (ULONG_MAX == 0xFFU)
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#define ECRYPT_I8T_IS_BYTE
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#endif
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#endif
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#if (UINT_MAX / 0xFFU > 0xFFU)
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#ifndef I16T
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#define I16T int
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#define U16C(v) (v##U)
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#endif
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#if (UINT_MAX / 0xFFFFU > 0xFFFFU)
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#ifndef I32T
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#define I32T int
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#define U32C(v) (v##U)
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#endif
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#if (UINT_MAX / 0xFFFFFFFFU > 0xFFFFFFFFU)
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#ifndef I64T
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#define I64T int
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#define U64C(v) (v##U)
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#define ECRYPT_NATIVE64
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#endif
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#endif
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#endif
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#endif
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#endif
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/* --- check long --- */
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#if (ULONG_MAX / 0xFUL > 0xFUL)
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#ifndef I8T
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#define I8T long
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#define U8C(v) (v##UL)
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#if (ULONG_MAX == 0xFFUL)
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#define ECRYPT_I8T_IS_BYTE
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#endif
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#endif
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#if (ULONG_MAX / 0xFFUL > 0xFFUL)
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#ifndef I16T
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#define I16T long
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#define U16C(v) (v##UL)
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#endif
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#if (ULONG_MAX / 0xFFFFUL > 0xFFFFUL)
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#ifndef I32T
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#define I32T long
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#define U32C(v) (v##UL)
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#endif
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#if (ULONG_MAX / 0xFFFFFFFFUL > 0xFFFFFFFFUL)
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#ifndef I64T
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#define I64T long
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#define U64C(v) (v##UL)
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#define ECRYPT_NATIVE64
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#endif
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#endif
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#endif
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#endif
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#endif
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/* --- check long long --- */
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#ifdef ULLONG_MAX
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#if (ULLONG_MAX / 0xFULL > 0xFULL)
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#ifndef I8T
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#define I8T long long
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#define U8C(v) (v##ULL)
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#if (ULLONG_MAX == 0xFFULL)
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#define ECRYPT_I8T_IS_BYTE
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#endif
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#endif
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#if (ULLONG_MAX / 0xFFULL > 0xFFULL)
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#ifndef I16T
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#define I16T long long
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#define U16C(v) (v##ULL)
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#endif
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#if (ULLONG_MAX / 0xFFFFULL > 0xFFFFULL)
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#ifndef I32T
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#define I32T long long
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#define U32C(v) (v##ULL)
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#endif
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#if (ULLONG_MAX / 0xFFFFFFFFULL > 0xFFFFFFFFULL)
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#ifndef I64T
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#define I64T long long
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#define U64C(v) (v##ULL)
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#endif
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#endif
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#endif
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#endif
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#endif
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#endif
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/* --- check __int64 --- */
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#if !defined(__STDC__) && defined(_UI64_MAX)
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#ifndef I64T
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#define I64T __int64
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#define U64C(v) (v##ui64)
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#endif
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#endif
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/* --- if platform doesn't announce anything, use most common choices --- */
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#ifndef I8T
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#define I8T char
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#define U8C(v) (v##U)
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#endif
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#ifndef I16T
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#define I16T short
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#define U16C(v) (v##U)
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#endif
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#ifndef I32T
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#define I32T int
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#define U32C(v) (v##U)
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#endif
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#ifndef I64T
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#define I64T long long
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#define U64C(v) (v##ULL)
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#endif
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/* ------------------------------------------------------------------------- */
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/* find the largest type on this platform (used for alignment) */
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#if defined(__SSE__) || (defined(_MSC_VER) && (_MSC_VER >= 1300))
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#include <xmmintrin.h>
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#define MAXT __m128
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#elif defined(__MMX__)
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#include <mmintrin.h>
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#define MAXT __m64
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#elif defined(__ALTIVEC__)
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#define MAXT __vector int
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#else
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#define MAXT long
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#endif
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/* ------------------------------------------------------------------------- */
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#endif
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