+// Copyright 2001 John Maddock
+// Distributed under the Boost Software License, Version 1.0. (See accompany-
+// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
/*
* Copyright (c) 1997
* Silicon Graphics Computer Systems, Inc.
#include <climits>
#include <cfloat>
#include <boost/config.hpp>
+#include <boost/detail/endian.hpp>
#ifndef BOOST_NO_CWCHAR
#include <cwchar> // for WCHAR_MIN and WCHAR_MAX
#endif
-// The macros are not named appropriately. We don't care about integer
-// bit layout, but about floating-point NaN (etc.) bit patterns.
-#if defined(__sparc) || defined(__sparc__) || defined(__powerpc__) || defined(__ppc__) || defined(__hppa) || defined(_MIPSEB)
-#define BOOST_BIG_ENDIAN
-#elif defined(__i386__) || defined(__alpha__)
-#define BOOST_LITTLE_ENDIAN
-#else
-#error The file boost/detail/limits.hpp needs to be set up for your CPU type.
-#endif
-
namespace std {
enum float_round_style {
static const __mem_type __mem_name = __mem_value
#endif /* BOOST_NO_INCLASS_MEMBER_INITIALIZATION */
-// Deal with min/max for MinGW
-#ifdef min
-# undef min
-#endif
-
-#ifdef max
-# undef max
-#endif
-
// Base class for all specializations of numeric_limits.
template <class __number>
class _Numeric_limits_base {
public:
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_specialized, false);
- static __number min() throw() { return __number(); }
- static __number max() throw() { return __number(); }
+ static __number min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return __number(); }
+ static __number max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return __number(); }
BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits, 0);
BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits10, 0);
_Int __imin,
_Int __imax,
int __idigits = -1>
-class _Integer_limits : public _Numeric_limits_base<_Int>
+class _Integer_limits : public _Numeric_limits_base<_Int>
{
public:
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_specialized, true);
- static _Int min() throw() { return __imin; }
- static _Int max() throw() { return __imax; }
+ static _Int min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return __imin; }
+ static _Int max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return __imax; }
BOOST_STL_DECLARE_LIMITS_MEMBER(int,
digits,
(__idigits < 0) ? (int)(sizeof(_Int) * CHAR_BIT)
- - (__imin == 0 ? 0 : 1)
+ - (__imin == 0 ? 0 : 1)
: __idigits);
- BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits10, (digits * 301) / 1000);
+ BOOST_STL_DECLARE_LIMITS_MEMBER(int, digits10, (digits * 301) / 1000);
// log 2 = 0.301029995664...
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, is_signed, __imin != 0);
// sizeof(long double) == 16
const unsigned int _S_word[4] = { Word, 0, 0, 0 };
return *reinterpret_cast<const Number*>(&_S_word);
- }
+ }
};
#else
return *reinterpret_cast<const Number*>(
reinterpret_cast<const char *>(&_S_word)+16-
(sizeof(Number) == 12 ? 10 : sizeof(Number)));
- }
+ }
};
#endif
denorm_indeterminate);
BOOST_STL_DECLARE_LIMITS_MEMBER(bool, has_denorm_loss, false);
-
+
static __number infinity() throw() {
return float_helper<__number, __InfinityWord>::get_word();
}
// The unspecialized class.
-template<class T>
+template<class T>
class numeric_limits : public _Numeric_limits_base<T> {};
// Specializations for all built-in integral types.
#if !defined(LONGLONG_MIN)
# define LONGLONG_MIN (-LONGLONG_MAX - 1)
-#endif
+#endif
-template<>
-class numeric_limits<long long>
- : public _Integer_limits<long long, LONGLONG_MIN, LONGLONG_MAX>
-{};
-template<>
-class numeric_limits<unsigned long long>
- : public _Integer_limits<unsigned long long, 0, ULONGLONG_MAX>
-{};
+#if !defined(ULONGLONG_MIN)
+# define ULONGLONG_MIN 0
+#endif
#endif /* __GNUC__ */
// Specializations for all built-in floating-point type.
template<> class numeric_limits<float>
- : public _Floating_limits<float,
+ : public _Floating_limits<float,
FLT_MANT_DIG, // Binary digits of precision
FLT_DIG, // Decimal digits of precision
FLT_MIN_EXP, // Minimum exponent
round_to_nearest>
{
public:
- static float min() throw() { return FLT_MIN; }
+ static float min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return FLT_MIN; }
static float denorm_min() throw() { return FLT_MIN; }
- static float max() throw() { return FLT_MAX; }
+ static float max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return FLT_MAX; }
static float epsilon() throw() { return FLT_EPSILON; }
static float round_error() throw() { return 0.5f; } // Units: ulps.
};
template<> class numeric_limits<double>
- : public _Floating_limits<double,
+ : public _Floating_limits<double,
DBL_MANT_DIG, // Binary digits of precision
DBL_DIG, // Decimal digits of precision
DBL_MIN_EXP, // Minimum exponent
round_to_nearest>
{
public:
- static double min() throw() { return DBL_MIN; }
+ static double min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return DBL_MIN; }
static double denorm_min() throw() { return DBL_MIN; }
- static double max() throw() { return DBL_MAX; }
+ static double max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return DBL_MAX; }
static double epsilon() throw() { return DBL_EPSILON; }
static double round_error() throw() { return 0.5; } // Units: ulps.
};
template<> class numeric_limits<long double>
- : public _Floating_limits<long double,
+ : public _Floating_limits<long double,
LDBL_MANT_DIG, // Binary digits of precision
LDBL_DIG, // Decimal digits of precision
LDBL_MIN_EXP, // Minimum exponent
round_to_nearest>
{
public:
- static long double min() throw() { return LDBL_MIN; }
+ static long double min BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return LDBL_MIN; }
static long double denorm_min() throw() { return LDBL_MIN; }
- static long double max() throw() { return LDBL_MAX; }
+ static long double max BOOST_PREVENT_MACRO_SUBSTITUTION () throw() { return LDBL_MAX; }
static long double epsilon() throw() { return LDBL_EPSILON; }
static long double round_error() throw() { return 4; } // Units: ulps.
};
// Local Variables:
// mode:C++
// End:
+
+
+
projects / lyx.git / blobdiff