regina/regina64.h

   1 /*
   2  * Try and get a 64bit datatype...
   3  */
   4 #ifndef rx_64u
   5 # if defined(WIN32)
   6 #  define rx_64         signed __int64
   7 #  define RX_64MAX      _I64_MAX
   8 #  define rx_64u        unsigned __int64
   9 #  define RX_64UMAX     _UI64_MAX
  10 #  ifdef __MINGW32__
  11 #    define rx_mk64u(num) (rx_64u) num##ULL
  12 #  else
  13 #   define rx_mk64u(num) (rx_64u) num##ui64
  14 #  endif
  15 # elif defined(__WATCOMC__) && !defined(__QNX__)
  16    /* You need OpenWatcom 1.1 on Win32 or OS/2 */
  17 #  define rx_64         signed __int64
  18 #  define rx_64u        unsigned __int64
  19 #  define rx_mk64u(num) (rx_64u) num##ui64
  20 #  define RX_64MAX      LONGLONG_MAX
  21 #  define RX_64UMAX     ULONGLONG_MAX
  22 # elif defined(HAVE_STDINT_H)
  23 #  define rx_64         int64_t
  24 #  define rx_64u        uint64_t
  25 #  define rx_mk64u(num) (rx_64u) num##u
  26 #  define RX_64MAX      INT64_MAX
  27 #  define RX_64UMAX     UINT64_MAX
  28 # elif defined(__WORDSIZE) && (__WORDSIZE >= 64)
  29 #  define rx_64         signed
  30 #  define rx_64u        unsigned
  31 #  define rx_mk64u(num) (rx_64u) num##u
  32 #  ifdef INT64_MAX
  33 #   define RX_64MAX     INT64_MAX
  34 #  endif
  35 #  ifdef UINT64_MAX
  36 #   define RX_64UMAX    UINT64_MAX
  37 #  endif
  38 # elif defined(WORD_BIT) && (WORD_BIT >= 64)
  39 #  define rx_64         signed
  40 #  define rx_64u        unsigned
  41 #  define rx_mk64u(num) (rx_64u) num##u
  42 #  ifdef INT64_MAX
  43 #   define RX_64MAX     INT64_MAX
  44 #  endif
  45 #  ifdef UINT64_MAX
  46 #   define RX_64UMAX    UINT64_MAX
  47 #  endif
  48 # elif defined(LONG_BIT) && (LONG_BIT >= 64)
  49 #  define rx_64         signed long
  50 #  define rx_64u        unsigned long
  51 #  define rx_mk64u(num) (rx_64u) num##ul
  52 #  ifdef INT64_MAX
  53 #   define RX_64MAX     INT64_MAX
  54 #  endif
  55 #  ifdef UINT64_MAX
  56 #   define RX_64UMAX    UINT64_MAX
  57 #  endif
  58 # elif defined(ULLONG_MAX) && (ULLONG_MAX != ULONG_MAX)
  59 #  define rx_64         signed long long
  60 #  define rx_64u        unsigned long long
  61 #  define rx_mk64u(num) (rx_64u) num##ull
  62 #  define RX_64MAX      LLONG_MAX
  63 #  define RX_64UMAX     ULLONG_MAX
  64 # elif defined(ULONG_LONG_MAX) && (ULONG_LONG_MAX != ULONG_MAX)
  65 #  define rx_64         signed long long
  66 #  define rx_64u        unsigned long long
  67 #  define rx_mk64u(num) (rx_64u) num##ull
  68 #  define RX_64MAX      LONG_LONG_MAX
  69 #  define RX_64UMAX     ULONG_LONG_MAX
  70 # else
  71 #  define rx_64         signed long
  72 #  define rx_64u        unsigned long
  73 #  define rx_mk64u(num) (rx_64u) num##ul
  74 #  define RX_64MAX      LONG_MAX
  75 #  define RX_64UMAX     ULONG_MAX
  76 # endif
  77 #endif