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# scint.h

    00001 // This provides C99-like standard integer types.  It is based on boost.org
    00002 // code which has been modified for inclusion in the SC Toolkit.
    00003
    00004 //  (C) Copyright boost.org 1999. Permission to copy, use, modify, sell
    00005 //  and distribute this software is granted provided this copyright
    00006 //  notice appears in all copies. This software is provided "as is" without
    00007 //  express or implied warranty, and with no claim as to its suitability for
    00008 //  any purpose.
    00009
    00010 #ifndef util_misc_scint_h
    00011 #define util_misc_scint_h
    00012
    00013 #include <scconfig.h>
    00014
    00015 #ifdef HAVE_STDINT_H
    00016
    00017 #include <stdint.h>
    00018
    00019 namespace sc {
    00020
    00021 typedef int8_t         sc_int8_t;
    00022 typedef int_least8_t   sc_int_least8_t;
    00023 typedef int_fast8_t    sc_int_fast8_t;
    00024 typedef uint8_t        sc_uint8_t;
    00025 typedef uint_least8_t  sc_uint_least8_t;
    00026 typedef uint_fast8_t   sc_uint_fast8_t;
    00027
    00028 typedef int16_t        sc_int16_t;
    00029 typedef int_least16_t  sc_int_least16_t;
    00030 typedef int_fast16_t   sc_int_fast16_t;
    00031 typedef uint16_t       sc_uint16_t;
    00032 typedef uint_least16_t sc_uint_least16_t;
    00033 typedef uint_fast16_t  sc_uint_fast16_t;
    00034
    00035 typedef int32_t        sc_int32_t;
    00036 typedef int_least32_t  sc_int_least32_t;
    00037 typedef int_fast32_t   sc_int_fast32_t;
    00038 typedef uint32_t       sc_uint32_t;
    00039 typedef uint_least32_t sc_uint_least32_t;
    00040 typedef uint_fast32_t  sc_uint_fast32_t;
    00041
    00042 typedef intmax_t       sc_intmax_t;
    00043 typedef uintmax_t      sc_uintmax_t;
    00044 typedef int64_t        sc_int64_t;
    00045 typedef int_least64_t  sc_int_least64_t;
    00046 typedef int_fast64_t   sc_int_fast64_t;
    00047 typedef uint64_t       sc_uint64_t;
    00048 typedef uint_least64_t sc_uint_least64_t;
    00049 typedef uint_fast64_t  sc_uint_fast64_t;
    00050
    00051 }
    00052
    00053 #else
    00054
    00055 //  This is not a complete implementation of the 1999 C Standard stdint.h
    00056 //  header; it doesn't supply various macros which are not advisable for use in
    00057 //  C++ programs.
    00058
    00059 #include <limits.h> // implementation artifact; not part of interface
    00060
    00061 namespace sc {
    00062
    00063 //  These are fairly safe guesses for some 16-bit, and most 32-bit and 64-bit
    00064 //  platforms.  For other systems, they will have to be hand tailored.
    00065 //  Because the fast types are assumed to be the same as the undecorated types,
    00066 //  it may be possible to hand tailor a more efficient implementation.
    00067
    00068 //  8-bit types  -------------------------------------------------------------//
    00069
    00070 # if UCHAR_MAX == 0xff
    00071      typedef signed char     sc_int8_t;
    00072      typedef signed char     sc_int_least8_t;
    00073      typedef signed char     sc_int_fast8_t;
    00074      typedef unsigned char   sc_uint8_t;
    00075      typedef unsigned char   sc_uint_least8_t;
    00076      typedef unsigned char   sc_uint_fast8_t;
    00077 # else
    00078 #    error defaults not correct; you must hand modify scint.h
    00079 # endif
    00080
    00081 //  16-bit types  ------------------------------------------------------------//
    00082
    00083 # if USHRT_MAX == 0xffff
    00084      typedef short           sc_int16_t;
    00085      typedef short           sc_int_least16_t;
    00086      typedef short           sc_int_fast16_t;
    00087      typedef unsigned short  sc_uint16_t;
    00088      typedef unsigned short  sc_uint_least16_t;
    00089      typedef unsigned short  sc_uint_fast16_t;
    00090 # else
    00091 #    error defaults not correct; you must hand modify scint.h
    00092 # endif
    00093
    00094 //  32-bit types  ------------------------------------------------------------//
    00095
    00096 # if UINT_MAX == 0xffffffff
    00097      typedef int             sc_int32_t;
    00098      typedef int             sc_int_least32_t;
    00099      typedef int             sc_int_fast32_t;
    00100      typedef unsigned int    sc_uint32_t;
    00101      typedef unsigned int    sc_uint_least32_t;
    00102      typedef unsigned int    sc_uint_fast32_t;
    00103 # elif ULONG_MAX == 0xffffffff
    00104      typedef long            sc_int32_t;
    00105      typedef long            sc_int_least32_t;
    00106      typedef long            sc_int_fast32_t;
    00107      typedef unsigned long   sc_uint32_t;
    00108      typedef unsigned long   sc_uint_least32_t;
    00109      typedef unsigned long   sc_uint_fast32_t;
    00110 # else
    00111 #    error defaults not correct; you must hand modify scint.h
    00112 # endif
    00113
    00114 //  64-bit types + intmax_t and uintmax_t  -----------------------------------//
    00115
    00116 #if defined(ULONGLONG_MAX) && !defined(ULLONG_MAX)
    00117 #    define ULLONG_MAX ULONGLONG_MAX
    00118 #endif
    00119
    00120 # ifdef ULLONG_MAX
    00121 //#    if ULLONG_MAX == 18446744073709551615 // 2**64 - 1
    00122 #    if ULLONG_MAX == (0xffffffffffffffffuLL) // uLL reqd for xlC
    00123      typedef long long            sc_intmax_t;
    00124      typedef unsigned long long   sc_uintmax_t;
    00125      typedef long long            sc_int64_t;
    00126      typedef long long            sc_int_least64_t;
    00127      typedef long long            sc_int_fast64_t;
    00128      typedef unsigned long long   sc_uint64_t;
    00129      typedef unsigned long long   sc_uint_least64_t;
    00130      typedef unsigned long long   sc_uint_fast64_t;
    00131 #    else
    00132 #       error defaults not correct; you must hand modify scint.h
    00133 #    endif
    00134 # elif ULONG_MAX != 0xffffffff
    00135
    00136 #    if ULONG_MAX == 18446744073709551615 // 2**64 - 1
    00137      typedef long                 sc_intmax_t;
    00138      typedef unsigned long        sc_uintmax_t;
    00139      typedef long                 sc_int64_t;
    00140      typedef long                 sc_int_least64_t;
    00141      typedef long                 sc_int_fast64_t;
    00142      typedef unsigned long        sc_uint64_t;
    00143      typedef unsigned long        sc_uint_least64_t;
    00144      typedef unsigned long        sc_uint_fast64_t;
    00145 #    else
    00146 #       error defaults not correct; you must hand modify scint.h
    00147 #    endif
    00148 # else // assume no 64-bit integers
    00149 #    error 64 bit integer types are required
    00150      typedef sc_int32_t              sc_intmax_t;
    00151      typedef sc_uint32_t             sc_uintmax_t;
    00152 # endif
    00153
    00154 }
    00155
    00156 #endif
    00157
    00158 #endif