DGtal::NumberTraitsImpl< T, typename std::enable_if< std::is_integral< T >::value >::type > Struct Template Reference

Specialization of NumberTraitsImpl for fundamental integer types. More...

#include <DGtal/kernel/NumberTraits.h>

Inheritance diagram for DGtal::NumberTraitsImpl< T, typename std::enable_if< std::is_integral< T >::value >::type >:

Public Types
using	SignedVersion = typename std::make_signed< T >::type
	Alias to the signed version of the number type. More...
using	UnsignedVersion = typename std::make_unsigned< T >::type
	Alias to the unsigned version of the number type. More...
Public Types inherited from DGtal::details::NumberTraitsImplFundamental< T >
using	IsBounded = typename BoolToTag< NL::is_bounded >::type
	Is the number bounded. More...
using	IsUnsigned = typename BoolToTag<!NL::is_signed >::type
	Is the number unsigned. More...
using	IsSigned = typename BoolToTag< NL::is_signed >::type
	Is the number signed. More...
using	IsIntegral = typename BoolToTag< NL::is_integer >::type
	Is the number of integral type. More...
using	IsSpecialized = TagTrue
	Is that a number type with specific traits. More...
using	ReturnType = T
	Alias to the type that should be used as return type. More...
using	ParamType = typename boost::call_traits< T >::param_type
	Defines a type that represents the "best" way to pass a parameter of type T to a function. More...

Static Public Member Functions
static constexpr bool	even (typename NTIF::ParamType aT) noexcept
	Check the parity of a number. More...
static constexpr bool	odd (typename NTIF::ParamType aT) noexcept
	Check the parity of a number. More...
Static Public Member Functions inherited from DGtal::details::NumberTraitsImplFundamental< T >
static constexpr ReturnType	zero () noexcept
	Return the zero of this integer. More...
static constexpr ReturnType	one () noexcept
	Return the one of this integer. More...
static constexpr ReturnType	min () noexcept
	Return the minimum possible value for this type of number. More...
static constexpr ReturnType	max () noexcept
	Return the maximum possible value for this type of number. More...
static constexpr unsigned int	digits () noexcept
	Return the number of significant binary digits for this type of number. More...
static constexpr BoundEnum	isBounded () noexcept
	Return the bounding type of the number. More...
static constexpr SignEnum	isSigned () noexcept
	Return the sign type of the number. More...
static constexpr DGtal::int64_t	castToInt64_t (const T &aT) noexcept
	Cast method to DGtal::int64_t (for I/O or board export uses only). More...
static constexpr double	castToDouble (const T &aT) noexcept
	Cast method to double (for I/O or board export uses only). More...
static constexpr bool	even (ParamType aT) noexcept
	Check the parity of a number. More...
static constexpr bool	odd (ParamType aT) noexcept
	Check the parity of a number. More...

Private Types
using	NTIF = typename details::NumberTraitsImplFundamental< T >
	Internal type alias to avoid repetitions. More...

Additional Inherited Members
Static Public Attributes inherited from DGtal::details::NumberTraitsImplFundamental< T >
static constexpr T	ZERO = T(0)
	Constant Zero. More...
static constexpr T	ONE = T(1)
	Constant One. More...

Detailed Description

template<typename T>
struct DGtal::NumberTraitsImpl< T, typename std::enable_if< std::is_integral< T >::value >::type >

Specialization of NumberTraitsImpl for fundamental integer types.

Definition at line 336 of file NumberTraits.h.

Member Typedef Documentation

NTIF

template<typename T >

using DGtal::NumberTraitsImpl< T, typename std::enable_if< std::is_integral< T >::value >::type >::NTIF = typename details::NumberTraitsImplFundamental<T>

private

Internal type alias to avoid repetitions.

Definition at line 340 of file NumberTraits.h.

SignedVersion

template<typename T >

using DGtal::NumberTraitsImpl< T, typename std::enable_if< std::is_integral< T >::value >::type >::SignedVersion = typename std::make_signed<T>::type

Alias to the signed version of the number type.

Definition at line 343 of file NumberTraits.h.

UnsignedVersion

template<typename T >

using DGtal::NumberTraitsImpl< T, typename std::enable_if< std::is_integral< T >::value >::type >::UnsignedVersion = typename std::make_unsigned<T>::type

Alias to the unsigned version of the number type.

Definition at line 344 of file NumberTraits.h.

Member Function Documentation

even()

template<typename T >

static constexpr bool DGtal::NumberTraitsImpl< T, typename std::enable_if< std::is_integral< T >::value >::type >::even ( typename NTIF::ParamType  aT )

inlinestaticconstexprnoexcept

Check the parity of a number.

Parameters

aT	any number.

Returns

'true' iff the number is even.

Definition at line 352 of file NumberTraits.h.

    {
      return ( aT & NTIF::ONE ) == NTIF::ZERO;
    }

odd()

template<typename T >

static constexpr bool DGtal::NumberTraitsImpl< T, typename std::enable_if< std::is_integral< T >::value >::type >::odd ( typename NTIF::ParamType  aT )

inlinestaticconstexprnoexcept

Check the parity of a number.

Parameters

aT	any number.

Returns

'true' iff the number is odd.

Definition at line 363 of file NumberTraits.h.

    {
      return ( aT & NTIF::ONE ) != NTIF::ZERO;
    }

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The documentation for this struct was generated from the following file:

• NumberTraits.h