| [0b990d] | 1 | // This provides C99-like standard integer types. It is based on boost.org
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| 2 | // code which has been modified for inclusion in the SC Toolkit.
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| 3 |
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| 4 | // (C) Copyright boost.org 1999. Permission to copy, use, modify, sell
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| 5 | // and distribute this software is granted provided this copyright
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| 6 | // notice appears in all copies. This software is provided "as is" without
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| 7 | // express or implied warranty, and with no claim as to its suitability for
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| 8 | // any purpose.
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| 9 |
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| 10 | #ifndef util_misc_scint_h
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| 11 | #define util_misc_scint_h
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| 12 |
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| 13 | #include <scconfig.h>
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| 14 |
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| 15 | #ifdef HAVE_STDINT_H
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| 16 |
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| 17 | #include <stdint.h>
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| 18 |
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| 19 | namespace sc {
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| 20 |
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| 21 | typedef int8_t sc_int8_t;
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| 22 | typedef int_least8_t sc_int_least8_t;
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| 23 | typedef int_fast8_t sc_int_fast8_t;
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| 24 | typedef uint8_t sc_uint8_t;
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| 25 | typedef uint_least8_t sc_uint_least8_t;
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| 26 | typedef uint_fast8_t sc_uint_fast8_t;
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| 27 |
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| 28 | typedef int16_t sc_int16_t;
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| 29 | typedef int_least16_t sc_int_least16_t;
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| 30 | typedef int_fast16_t sc_int_fast16_t;
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| 31 | typedef uint16_t sc_uint16_t;
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| 32 | typedef uint_least16_t sc_uint_least16_t;
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| 33 | typedef uint_fast16_t sc_uint_fast16_t;
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| 34 |
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| 35 | typedef int32_t sc_int32_t;
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| 36 | typedef int_least32_t sc_int_least32_t;
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| 37 | typedef int_fast32_t sc_int_fast32_t;
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| 38 | typedef uint32_t sc_uint32_t;
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| 39 | typedef uint_least32_t sc_uint_least32_t;
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| 40 | typedef uint_fast32_t sc_uint_fast32_t;
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| 41 |
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| 42 | typedef intmax_t sc_intmax_t;
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| 43 | typedef uintmax_t sc_uintmax_t;
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| 44 | typedef int64_t sc_int64_t;
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| 45 | typedef int_least64_t sc_int_least64_t;
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| 46 | typedef int_fast64_t sc_int_fast64_t;
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| 47 | typedef uint64_t sc_uint64_t;
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| 48 | typedef uint_least64_t sc_uint_least64_t;
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| 49 | typedef uint_fast64_t sc_uint_fast64_t;
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| 50 |
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| 51 | }
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| 52 |
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| 53 | #else
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| 54 |
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| 55 | // This is not a complete implementation of the 1999 C Standard stdint.h
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| 56 | // header; it doesn't supply various macros which are not advisable for use in
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| 57 | // C++ programs.
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| 58 |
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| 59 | #include <limits.h> // implementation artifact; not part of interface
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| 60 |
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| 61 | namespace sc {
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| 62 |
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| 63 | // These are fairly safe guesses for some 16-bit, and most 32-bit and 64-bit
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| 64 | // platforms. For other systems, they will have to be hand tailored.
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| 65 | // Because the fast types are assumed to be the same as the undecorated types,
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| 66 | // it may be possible to hand tailor a more efficient implementation.
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| 67 |
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| 68 | // 8-bit types -------------------------------------------------------------//
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| 69 |
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| 70 | # if UCHAR_MAX == 0xff
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| 71 | typedef signed char sc_int8_t;
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| 72 | typedef signed char sc_int_least8_t;
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| 73 | typedef signed char sc_int_fast8_t;
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| 74 | typedef unsigned char sc_uint8_t;
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| 75 | typedef unsigned char sc_uint_least8_t;
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| 76 | typedef unsigned char sc_uint_fast8_t;
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| 77 | # else
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| 78 | # error defaults not correct; you must hand modify scint.h
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| 79 | # endif
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| 80 |
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| 81 | // 16-bit types ------------------------------------------------------------//
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| 82 |
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| 83 | # if USHRT_MAX == 0xffff
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| 84 | typedef short sc_int16_t;
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| 85 | typedef short sc_int_least16_t;
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| 86 | typedef short sc_int_fast16_t;
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| 87 | typedef unsigned short sc_uint16_t;
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| 88 | typedef unsigned short sc_uint_least16_t;
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| 89 | typedef unsigned short sc_uint_fast16_t;
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| 90 | # else
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| 91 | # error defaults not correct; you must hand modify scint.h
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| 92 | # endif
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| 93 |
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| 94 | // 32-bit types ------------------------------------------------------------//
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| 95 |
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| 96 | # if UINT_MAX == 0xffffffff
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| 97 | typedef int sc_int32_t;
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| 98 | typedef int sc_int_least32_t;
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| 99 | typedef int sc_int_fast32_t;
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| 100 | typedef unsigned int sc_uint32_t;
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| 101 | typedef unsigned int sc_uint_least32_t;
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| 102 | typedef unsigned int sc_uint_fast32_t;
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| 103 | # elif ULONG_MAX == 0xffffffff
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| 104 | typedef long sc_int32_t;
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| 105 | typedef long sc_int_least32_t;
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| 106 | typedef long sc_int_fast32_t;
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| 107 | typedef unsigned long sc_uint32_t;
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| 108 | typedef unsigned long sc_uint_least32_t;
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| 109 | typedef unsigned long sc_uint_fast32_t;
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| 110 | # else
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| 111 | # error defaults not correct; you must hand modify scint.h
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| 112 | # endif
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| 113 |
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| 114 | // 64-bit types + intmax_t and uintmax_t -----------------------------------//
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| 115 |
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| 116 | #if defined(ULONGLONG_MAX) && !defined(ULLONG_MAX)
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| 117 | # define ULLONG_MAX ULONGLONG_MAX
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| 118 | #endif
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| 119 |
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| 120 | # ifdef ULLONG_MAX
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| 121 | //# if ULLONG_MAX == 18446744073709551615 // 2**64 - 1
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| 122 | # if ULONGLONG_MAX == (0xffffffffffffffffuLL) // uLL reqd for xlC
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| 123 | typedef long long sc_intmax_t;
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| 124 | typedef unsigned long long sc_uintmax_t;
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| 125 | typedef long long sc_int64_t;
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| 126 | typedef long long sc_int_least64_t;
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| 127 | typedef long long sc_int_fast64_t;
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| 128 | typedef unsigned long long sc_uint64_t;
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| 129 | typedef unsigned long long sc_uint_least64_t;
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| 130 | typedef unsigned long long sc_uint_fast64_t;
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| 131 | # else
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| 132 | # error defaults not correct; you must hand modify scint.h
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| 133 | # endif
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| 134 | # elif ULONG_MAX != 0xffffffff
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| 135 |
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| 136 | # if ULONG_MAX == 18446744073709551615 // 2**64 - 1
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| 137 | typedef long sc_intmax_t;
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| 138 | typedef unsigned long sc_uintmax_t;
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| 139 | typedef long sc_int64_t;
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| 140 | typedef long sc_int_least64_t;
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| 141 | typedef long sc_int_fast64_t;
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| 142 | typedef unsigned long sc_uint64_t;
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| 143 | typedef unsigned long sc_uint_least64_t;
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| 144 | typedef unsigned long sc_uint_fast64_t;
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| 145 | # else
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| 146 | # error defaults not correct; you must hand modify scint.h
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| 147 | # endif
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| 148 | # else // assume no 64-bit integers
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| 149 | # error 64 bit integer types are required
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| 150 | typedef sc_int32_t sc_intmax_t;
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| 151 | typedef sc_uint32_t sc_uintmax_t;
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| 152 | # endif
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| 153 |
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| 154 | }
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| 155 |
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| 156 | #endif
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| 157 |
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| 158 | #endif
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