_limits.h

symbian 上的stl_port进过编译的。

class numeric_limits<wchar_t>
  : public _STLP_PRIV _Integer_limits<wchar_t, WCHAR_MIN, WCHAR_MAX, -1, true>
{};

#endif

_STLP_TEMPLATE_NULL
class numeric_limits<short>
  : public _STLP_PRIV _Integer_limits<short, SHRT_MIN, SHRT_MAX, -1, true>
{};

_STLP_TEMPLATE_NULL
class numeric_limits<unsigned short>
  : public _STLP_PRIV _Integer_limits<unsigned short, 0, USHRT_MAX, -1, true>
{};

#if defined (__xlC__) && (__xlC__ == 0x500)
#  undef INT_MIN
#  define INT_MIN -2147483648
#endif

_STLP_TEMPLATE_NULL
class numeric_limits<int>
  : public _STLP_PRIV _Integer_limits<int, INT_MIN, INT_MAX, -1, true>
{};

_STLP_TEMPLATE_NULL
class numeric_limits<unsigned int>
  : public _STLP_PRIV _Integer_limits<unsigned int, 0, UINT_MAX, -1, true>
{};

_STLP_TEMPLATE_NULL
class numeric_limits<long>
  : public _STLP_PRIV _Integer_limits<long, LONG_MIN, LONG_MAX, -1, true>
{};

_STLP_TEMPLATE_NULL
class numeric_limits<unsigned long>
  : public _STLP_PRIV _Integer_limits<unsigned long, 0, ULONG_MAX, -1, true>
{};

#if defined (_STLP_LONG_LONG)

#  if defined (_STLP_MSVC) || defined (__BORLANDC__)
#    define LONGLONG_MAX     0x7fffffffffffffffi64
#    define LONGLONG_MIN     (-LONGLONG_MAX-1i64)
#    define ULONGLONG_MAX    0xffffffffffffffffUi64
#  else
#    ifndef LONGLONG_MAX
#      define LONGLONG_MAX   0x7fffffffffffffffLL
#    endif
#    ifndef LONGLONG_MIN
#      define LONGLONG_MIN   (-LONGLONG_MAX-1LL)
#    endif
#    ifndef ULONGLONG_MAX
#      define ULONGLONG_MAX  0xffffffffffffffffULL
#    endif
#  endif

#  if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ <= 96)

_STLP_TEMPLATE_NULL
class numeric_limits<_STLP_LONG_LONG>
  : public _STLP_PRIV _Integer_limits<_STLP_LONG_LONG, LONGLONG_MIN, LONGLONG_MAX, -1, true>
{};

_STLP_TEMPLATE_NULL
class numeric_limits<unsigned _STLP_LONG_LONG>
  : public _STLP_PRIV _Integer_limits<unsigned _STLP_LONG_LONG, 0, ULONGLONG_MAX, -1, true>
{};
#  else /* gcc 2.97 (after 2000-11-01), 2.98, 3.0 */
/*
 newest gcc has new mangling scheme, that has problem
 with generating name [instantiated] of template specialization like
 _Integer_limits<_STLP_LONG_LONG, LONGLONG_MIN, LONGLONG_MAX, -1, true>
                                  ~~~~~~~~~~~~  ~~~~~~~~~~~~
 Below is code that solve this problem.
   - ptr
 */
_STLP_TEMPLATE_NULL
class numeric_limits<_STLP_LONG_LONG>
  : public _STLP_PRIV _Numeric_limits_base<_STLP_LONG_LONG> {
public:

  static _STLP_LONG_LONG (_STLP_CALL min) () _STLP_NOTHROW { return LONGLONG_MIN; }
  static _STLP_LONG_LONG (_STLP_CALL max) () _STLP_NOTHROW { return LONGLONG_MAX; }

#    if defined ( _STLP_STATIC_CONST_INIT_BUG)
  enum {
#    else
  static const int
#    endif
  digits = ((int)((sizeof(_STLP_LONG_LONG) * (CHAR_BIT))) - 1),
  digits10 = (digits * 301UL) / 1000,
  radix = 2
#    if ! defined (_STLP_STATIC_CONST_INIT_BUG)
  ;
  static const bool
#    else
  ,
#    endif
  is_specialized = true,
  is_signed = true,
  is_integer = true,
  is_exact = true,
  is_bounded = true,
  is_modulo = true
#    if defined (_STLP_STATIC_CONST_INIT_BUG)
  }
#    endif
  ;
};

_STLP_TEMPLATE_NULL
class numeric_limits<unsigned _STLP_LONG_LONG>
  : public _STLP_PRIV _Numeric_limits_base<unsigned _STLP_LONG_LONG> {
public:

  static unsigned _STLP_LONG_LONG (_STLP_CALL min) () _STLP_NOTHROW { return 0ULL; }
  static unsigned _STLP_LONG_LONG (_STLP_CALL max) () _STLP_NOTHROW { return ULONGLONG_MAX; }

#    if defined (_STLP_STATIC_CONST_INIT_BUG)
  enum {
#    else
  static const int
#    endif
  digits = ((int)((sizeof(unsigned _STLP_LONG_LONG) * (CHAR_BIT)))),
  digits10 = (digits * 301UL) / 1000,
  radix = 2
#    if ! defined (_STLP_STATIC_CONST_INIT_BUG)
  ;
  static const bool
#    else
  ,
#    endif
  is_specialized = true,
  is_signed = false,
  is_integer = true,
  is_exact = true,
  is_bounded = true,
  is_modulo = true
#    if defined ( _STLP_STATIC_CONST_INIT_BUG)
  }
#    endif
  ;
};

#  endif /* __GNUC__ > 2000-11-01 */

#endif /* _STLP_LONG_LONG */

_STLP_MOVE_TO_PRIV_NAMESPACE

// Specializations for all built-in floating-point types.
template <class __dummy>
class _LimG {
public:
  static float _STLP_CALL get_F_inf();
  static float _STLP_CALL get_F_qNaN();
  static float _STLP_CALL get_F_sNaN();
  static double _STLP_CALL get_D_inf();
  static double _STLP_CALL get_D_qNaN();
  static double _STLP_CALL get_D_sNaN();

#if !defined (_STLP_NO_LONG_DOUBLE)
  static long double _STLP_CALL get_LD_inf();
  static long double _STLP_CALL get_LD_qNaN();
  static long double _STLP_CALL get_LD_sNaN();
#endif
};

#if defined (_STLP_USE_TEMPLATE_EXPORT)
_STLP_EXPORT_TEMPLATE_CLASS _LimG<bool>;
#endif

_STLP_MOVE_TO_STD_NAMESPACE

_STLP_TEMPLATE_NULL
class numeric_limits<float>
  : public _STLP_PRIV _Floating_limits<float,
                                        FLT_MANT_DIG,   // Binary digits of precision
                                        FLT_DIG,        // Decimal digits of precision
                                        FLT_MIN_EXP,    // Minimum exponent
                                        FLT_MAX_EXP,    // Maximum exponent
                                        FLT_MIN_10_EXP, // Minimum base 10 exponent
                                        FLT_MAX_10_EXP, // Maximum base 10 exponent
#if defined (_STLP_NO_IEC559_SUPPORT)
                                        false,          // do not conform to iec559
#else
                                        true,           // conforms to iec559
#endif
                                        round_to_nearest> {
public:
  static float (_STLP_CALL min) () _STLP_NOTHROW { return FLT_MIN; }
  static float _STLP_CALL denorm_min() _STLP_NOTHROW { return FLT_MIN; }
  static float (_STLP_CALL max) () _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return FLT_MAX; }
  static float _STLP_CALL epsilon() _STLP_NOTHROW { return FLT_EPSILON; }
  static float _STLP_CALL round_error() _STLP_NOTHROW { return 0.5f; } // Units: ulps.
  static  float _STLP_CALL infinity() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_F_inf(); }
  static  float _STLP_CALL quiet_NaN() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_F_qNaN(); }
  static  float _STLP_CALL signaling_NaN() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_F_sNaN(); }
};

_STLP_TEMPLATE_NULL
class numeric_limits<double>
  : public _STLP_PRIV _Floating_limits<double,
                                        DBL_MANT_DIG,   // Binary digits of precision
                                        DBL_DIG,        // Decimal digits of precision
                                        DBL_MIN_EXP,    // Minimum exponent
                                        DBL_MAX_EXP,    // Maximum exponent
                                        DBL_MIN_10_EXP, // Minimum base 10 exponent
                                        DBL_MAX_10_EXP, // Maximum base 10 exponent
#if defined (_STLP_NO_IEC559_SUPPORT)
                                        false,          // do not conform to iec559
#else
                                        true,           // conforms to iec559
#endif
                                        round_to_nearest> {
public:
  static double (_STLP_CALL min)() _STLP_NOTHROW { return DBL_MIN; }
  static double _STLP_CALL denorm_min() _STLP_NOTHROW { return DBL_MIN; }
  static double (_STLP_CALL max)() _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return DBL_MAX; }
  static double _STLP_CALL epsilon() _STLP_NOTHROW { return DBL_EPSILON; }
  static double _STLP_CALL round_error() _STLP_NOTHROW { return 0.5; } // Units: ulps.
  static  double _STLP_CALL infinity() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_D_inf(); }
  static  double _STLP_CALL quiet_NaN() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_D_qNaN(); }
  static  double _STLP_CALL signaling_NaN() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_D_sNaN(); }
};

#if !defined (_STLP_NO_LONG_DOUBLE)

_STLP_TEMPLATE_NULL
class numeric_limits<long double>
  : public _STLP_PRIV _Floating_limits<long double,
                                        LDBL_MANT_DIG,  // Binary digits of precision
                                        LDBL_DIG,       // Decimal digits of precision
                                        LDBL_MIN_EXP,   // Minimum exponent
                                        LDBL_MAX_EXP,   // Maximum exponent
                                        LDBL_MIN_10_EXP,// Minimum base 10 exponent
                                        LDBL_MAX_10_EXP,// Maximum base 10 exponent
                                        false,          // do not conform to iec559
                                        round_to_nearest> {
public:
  static long double (_STLP_CALL min) () _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return LDBL_MIN; }
  static long double _STLP_CALL denorm_min() _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return LDBL_MIN; }
  static long double (_STLP_CALL max) () _STLP_NOTHROW { _STLP_USING_VENDOR_CSTD return LDBL_MAX; }
  static long double _STLP_CALL epsilon() _STLP_NOTHROW { return LDBL_EPSILON; }
  static long double _STLP_CALL round_error() _STLP_NOTHROW { return 4; } // Units: ulps.
  static long double _STLP_CALL infinity() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_LD_inf(); }
  static long double _STLP_CALL quiet_NaN() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_LD_qNaN(); }
  static long double _STLP_CALL signaling_NaN() _STLP_NOTHROW { return _STLP_PRIV _LimG<bool>::get_LD_sNaN(); }
};

#endif

// We write special values (Inf and NaN) as bit patterns and
// cast the the appropriate floating-point types.
_STLP_END_NAMESPACE

#if !defined (_STLP_LINK_TIME_INSTANTIATION)
#  include <stl/_limits.c>
#endif

#endif

// Local Variables:
// mode:C++
// End: