--- /dev/null
+/*
+ * Copyright (c) 1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+/* NOTE: This may be not portable code. Parts of numeric_limits<> are
+ * inherently machine-dependent. At present this file is suitable
+ * for the MIPS, SPARC, Alpha and ia32 architectures.
+ */
+
+#ifndef _STLP_INTERNAL_LIMITS
+#define _STLP_INTERNAL_LIMITS
+
+#ifndef _STLP_CLIMITS
+# include <climits>
+#endif
+
+#ifndef _STLP_CFLOAT
+# include <cfloat>
+#endif
+
+#if defined (_STLP_HAS_WCHAR_T) && !defined (_STLP_INTERNAL_CWCHAR)
+# include <stl/_cwchar.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+enum float_round_style {
+ round_indeterminate = -1,
+ round_toward_zero = 0,
+ round_to_nearest = 1,
+ round_toward_infinity = 2,
+ round_toward_neg_infinity = 3
+};
+
+enum float_denorm_style {
+ denorm_indeterminate = -1,
+ denorm_absent = 0,
+ denorm_present = 1
+};
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+// Base class for all specializations of numeric_limits.
+template <class __number>
+class _Numeric_limits_base {
+public:
+
+ static __number (_STLP_CALL min)() _STLP_NOTHROW { return __number(); }
+ static __number (_STLP_CALL max)() _STLP_NOTHROW { return __number(); }
+
+#if defined ( _STLP_STATIC_CONST_INIT_BUG)
+ enum {
+#else
+ static const int
+#endif
+
+ digits = 0,
+ digits10 = 0,
+ radix = 0,
+ min_exponent = 0,
+ min_exponent10 = 0,
+ max_exponent = 0,
+ max_exponent10 = 0
+
+#if defined ( _STLP_STATIC_CONST_INIT_BUG)
+ ,
+ has_denorm = denorm_absent,
+ round_style = round_toward_zero,
+#else
+ ;
+ static const float_denorm_style has_denorm = denorm_absent;
+ static const float_round_style round_style = round_toward_zero;
+ static const bool
+#endif
+
+ is_specialized = false,
+ is_signed = false,
+ is_integer = false,
+ is_exact = false,
+ has_infinity = false,
+ has_quiet_NaN = false,
+ has_signaling_NaN = false,
+ has_denorm_loss = false,
+ is_iec559 = false,
+ is_bounded = false,
+ is_modulo = false,
+ traps = false,
+ tinyness_before = false
+#if defined ( _STLP_STATIC_CONST_INIT_BUG)
+ }
+#endif
+ ;
+
+ static __number _STLP_CALL epsilon() _STLP_NOTHROW { return __number(); }
+ static __number _STLP_CALL round_error() _STLP_NOTHROW { return __number(); }
+
+ static __number _STLP_CALL infinity() _STLP_NOTHROW { return __number(); }
+ static __number _STLP_CALL quiet_NaN() _STLP_NOTHROW { return __number(); }
+ static __number _STLP_CALL signaling_NaN() _STLP_NOTHROW { return __number(); }
+ static __number _STLP_CALL denorm_min() _STLP_NOTHROW { return __number(); }
+};
+
+// Base class for integers.
+
+#ifdef _STLP_LIMITED_DEFAULT_TEMPLATES
+# ifdef _STLP_LONG_LONG
+# define _STLP_LIMITS_MIN_TYPE _STLP_LONG_LONG
+# define _STLP_LIMITS_MAX_TYPE unsigned _STLP_LONG_LONG
+# else
+# define _STLP_LIMITS_MIN_TYPE long
+# define _STLP_LIMITS_MAX_TYPE unsigned long
+# endif
+#else
+# define _STLP_LIMITS_MIN_TYPE _Int
+# define _STLP_LIMITS_MAX_TYPE _Int
+#endif /* _STLP_LIMITED_DEFAULT_TEMPLATES */
+
+template <class _Int,
+ _STLP_LIMITS_MIN_TYPE __imin,
+ _STLP_LIMITS_MAX_TYPE __imax,
+ int __idigits, bool __ismod>
+class _Integer_limits : public _Numeric_limits_base<_Int> {
+public:
+
+ static _Int (_STLP_CALL min) () _STLP_NOTHROW { return (_Int)__imin; }
+ static _Int (_STLP_CALL max) () _STLP_NOTHROW { return (_Int)__imax; }
+
+#if defined (_STLP_STATIC_CONST_INIT_BUG)
+ enum {
+#else
+ static const int
+#endif
+ digits = (__idigits < 0) ?
+ ((int)((sizeof(_Int) * (CHAR_BIT))) - ((__imin == 0) ? 0 : 1))
+ : (__idigits),
+ digits10 = (digits * 301UL) / 1000,
+ radix = 2
+#if !defined (_STLP_STATIC_CONST_INIT_BUG)
+ ;
+ static const bool
+#else
+ ,
+#endif
+ is_specialized = true,
+ is_signed = (__imin != 0),
+ is_integer = true,
+ is_exact = true,
+ is_bounded = true,
+ is_modulo = __ismod
+#if defined ( _STLP_STATIC_CONST_INIT_BUG)
+ }
+#endif
+ ;
+};
+
+// Base class for floating-point numbers.
+template <class __number,
+ int __Digits, int __Digits10,
+ int __MinExp, int __MaxExp,
+ int __MinExp10, int __MaxExp10,
+ bool __IsIEC559,
+ float_round_style __RoundStyle>
+class _Floating_limits : public _Numeric_limits_base<__number> {
+public:
+
+#if defined (_STLP_STATIC_CONST_INIT_BUG)
+ enum {
+#else
+ static const int
+#endif
+
+ digits = __Digits,
+ digits10 = __Digits10,
+
+ radix = ( FLT_RADIX /* 2 */ ),
+ min_exponent = __MinExp,
+ max_exponent = __MaxExp,
+ min_exponent10 = __MinExp10,
+ max_exponent10 = __MaxExp10
+
+#if defined (_STLP_STATIC_CONST_INIT_BUG)
+ ,
+ has_denorm = denorm_indeterminate,
+ round_style = __RoundStyle,
+#else
+ ;
+ static const float_denorm_style has_denorm = denorm_indeterminate;
+ static const float_round_style round_style = __RoundStyle;
+ static const bool
+#endif
+
+ is_specialized = true,
+ is_signed = true,
+
+ //IEC 559 specify the floating point representation of
+ //infinity, quiet and signaling Not a Number. Not supporting
+ //it is consider as not being able to grant those values.
+#if (defined (_STLP_MSVC) && (_STLP_MSVC < 1300))
+ //MSVC 6 do not fully support IEC 599 but grant a good infinity value.
+ has_infinity = true,
+#else
+ has_infinity = __IsIEC559,
+#endif
+ has_quiet_NaN = __IsIEC559,
+ has_signaling_NaN = __IsIEC559,
+
+ has_denorm_loss = false,
+ is_iec559 = __IsIEC559,
+ is_bounded = true,
+ traps = true,
+ tinyness_before= false
+
+#if defined (_STLP_STATIC_CONST_INIT_BUG)
+ }
+#endif
+ ;
+};
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+// Class numeric_limits
+
+// The unspecialized class.
+
+template<class _Tp>
+class numeric_limits : public _STLP_PRIV _Numeric_limits_base<_Tp> {};
+
+// Specializations for all built-in integral types.
+
+#if !defined (_STLP_NO_BOOL)
+_STLP_TEMPLATE_NULL
+class numeric_limits<bool>
+ : public _STLP_PRIV _Integer_limits<bool, false, true, 1, false>
+{};
+#endif /* _STLP_NO_BOOL */
+
+_STLP_TEMPLATE_NULL
+class numeric_limits<char>
+ : public _STLP_PRIV _Integer_limits<char, CHAR_MIN, CHAR_MAX, -1, true>
+{};
+
+#if !defined (_STLP_NO_SIGNED_BUILTINS)
+_STLP_TEMPLATE_NULL
+class numeric_limits<signed char>
+ : public _STLP_PRIV _Integer_limits<signed char, SCHAR_MIN, SCHAR_MAX, -1, true>
+{};
+#endif
+
+_STLP_TEMPLATE_NULL
+class numeric_limits<unsigned char>
+ : public _STLP_PRIV _Integer_limits<unsigned char, 0, UCHAR_MAX, -1, true>
+{};
+
+#if !(defined (_STLP_NO_WCHAR_T) || defined (_STLP_WCHAR_T_IS_USHORT))
+
+_STLP_TEMPLATE_NULL
+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:
projects / polintos / scott / priv.git / blobdiff