numeric_traits.h File Reference

This file is a GNU extension to the Standard C++ Library. More...

#include <bits/cpp_type_traits.h>
#include <ext/type_traits.h>

Include dependency graph for numeric_traits.h:

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Macros
#define	__glibcxx_digits(_Tp)   (sizeof(_Tp) * __CHAR_BIT__ - __glibcxx_signed(_Tp))
#define	__glibcxx_digits10(_Tp)   __glibcxx_floating(_Tp, __FLT_DIG__, __DBL_DIG__, __LDBL_DIG__)
#define	__glibcxx_floating(_Tp, _Fval, _Dval, _LDval)
#define	__glibcxx_max(_Tp)
#define	__glibcxx_max_digits10(_Tp)
#define	__glibcxx_max_exponent10(_Tp)
#define	__glibcxx_min(_Tp)   (__glibcxx_signed(_Tp) ? (_Tp)1 << __glibcxx_digits(_Tp) : (_Tp)0)
#define	__glibcxx_signed(_Tp)   ((_Tp)(-1) < 0)

Functions
namespace __gnu_cxx	_GLIBCXX_VISIBILITY (default)

Detailed Description

This file is a GNU extension to the Standard C++ Library.

Macro Definition Documentation

#define __glibcxx_digits

(

_Tp

)

(sizeof(_Tp) * __CHAR_BIT__ - __glibcxx_signed(_Tp))

Referenced by _GLIBCXX_VISIBILITY().

#define __glibcxx_digits10

(

_Tp

)

__glibcxx_floating(_Tp, __FLT_DIG__, __DBL_DIG__, __LDBL_DIG__)

Referenced by _GLIBCXX_VISIBILITY().

#define __glibcxx_floating	(		_Tp,
			_Fval,
			_Dval,
			_LDval
	)

Value:

(std::__are_same<_Tp, float>::__value ? _Fval \
   : std::__are_same<_Tp, double>::__value ? _Dval : _LDval)

#define __glibcxx_max

(

_Tp

)

Value:

(__glibcxx_signed(_Tp) ? \
   (((((_Tp)1 << (__glibcxx_digits(_Tp) - 1)) - 1) << 1) + 1) : ~(_Tp)0)

Referenced by _GLIBCXX_VISIBILITY().

#define __glibcxx_max_digits10

(

_Tp

)

Value:

(2 + __glibcxx_floating(_Tp, __FLT_MANT_DIG__, __DBL_MANT_DIG__, \
              __LDBL_MANT_DIG__) * 643L / 2136)

Referenced by _GLIBCXX_VISIBILITY().

#define __glibcxx_max_exponent10

(

_Tp

)

Value:

__glibcxx_floating(_Tp, __FLT_MAX_10_EXP__, __DBL_MAX_10_EXP__, \
             __LDBL_MAX_10_EXP__)

Referenced by _GLIBCXX_VISIBILITY().

#define __glibcxx_min

(

_Tp

)

(__glibcxx_signed(_Tp) ? (_Tp)1 << __glibcxx_digits(_Tp) : (_Tp)0)

Referenced by _GLIBCXX_VISIBILITY().

#define __glibcxx_signed

(

_Tp

)

((_Tp)(-1) < 0)

Referenced by _GLIBCXX_VISIBILITY().

Function Documentation

namespace __gnu_cxx _GLIBCXX_VISIBILITY

(

default

)

References __glibcxx_digits, __glibcxx_digits10, __glibcxx_max, __glibcxx_max_digits10, __glibcxx_max_exponent10, __glibcxx_min, and __glibcxx_signed.