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std::numeric_limits::is_exact

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Objetos Function
initializer_list(C++11)
bitset
hash(C++11)
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
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Pairs and tuples
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tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Cambiar, hacia adelante y mover
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Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
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Tipos básicos
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Basic types
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Tipos fundamentales
Tipos fijos ancho enteros (C++11)
Límites numéricos
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Numeric limits
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numeric_limits
C numérico limita interfaz
Información de tipo en tiempo de ejecución
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Runtime type information
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Caracteres de tipo
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Type traits
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Categorías primarias de tipo
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Primary type categories
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is_void(C++11)
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is_class(C++11)
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is_compound(C++11)
is_integral(C++11)
is_floating_point(C++11)
is_fundamental(C++11)
is_arithmetic(C++11)
is_reference(C++11)
is_lvalue_reference(C++11)
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is_member_pointer(C++11)
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is_member_function_pointer(C++11)
Propiedades de tipo
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Type properties
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is_const(C++11)
is_volatile(C++11)
is_pod(C++11)
is_empty(C++11)
is_polymorphic(C++11)
is_abstract(C++11)
Operaciones compatibles
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Supported operations
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is_constructible
is_trivially_constructible
is_nothrow_constructible
(C++11)
(C++11)
(C++11)
is_default_constructible
is_trivially_default_constructible
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(C++11)
(C++11)
(C++11)
is_copy_constructible
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(C++11)
(C++11)
(C++11)
is_move_constructible
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(C++11)
(C++11)
(C++11)
is_assignable
is_trivially_assignable
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(C++11)
(C++11)
(C++11)
is_copy_assignable
is_trivially_copy_assignable
is_nothrow_copy_assignable
(C++11)
(C++11)
(C++11)
is_move_assignable
is_trivially_move_assignable
is_nothrow_move_assignable
(C++11)
(C++11)
(C++11)
is_destructible
is_trivially_destructible
is_nothrow_destructible
(C++11)
(C++11)
(C++11)
has_virtual_destructor(C++11)
Relaciones y consultas de propiedad
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Relationships and property queries
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is_same(C++11)
is_base_of(C++11)
is_convertible(C++11)
alignment_of(C++11)
rank(C++11)
extent(C++11)
Modificaciones de tipo
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Type modifications
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remove_cv
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(C++11)
(C++11)
(C++11)
add_cv
add_const
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(C++11)
(C++11)
make_signed(C++11)
make_unsigned(C++11)
Transformaciones de tipo
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Type transformations
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aligned_storage(C++11)
aligned_union(C++11)
decay(C++11)
enable_if(C++11)
conditional(C++11)
common_type(C++11)
underlying_type(C++11)
result_of(C++11)
Escriba constantes rasgos
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Type trait constants
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integral_constant(C++11)
 
std::numeric_limits
 
static const bool is_exact
(hasta C++11)
static constexpr bool is_exact
(desde C++11)
El valor de std::numeric_limits<T>::is_exact es true para todos los tipos aritméticos T que utilizan la representación exacta .
Original:
The value of std::numeric_limits<T>::is_exact is true for all arithmetic types T that use exact representation.
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[editar] Especializaciones estándar

T
valor de std::numeric_limits<T>::is_exact
Original:
value of std::numeric_limits<T>::is_exact
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/* non-specialized */ false
bool true
char true
signed char true
unsigned char true
wchar_t true
char16_t true
char32_t true
short true
unsigned short true
int true
unsigned int true
long true
unsigned long true
long long true
unsigned long long true
float false
double false
long double false

[editar] Notas

Aunque todos los tipos fundamentales T para que std::numeric_limits<T>::is_exact==true son tipos de enteros, una biblioteca puede definir tipos exactos que no son números enteros, por ejemplo, un tipo de aritmética racional representa fracciones .
Original:
While all fundamental types T for which std::numeric_limits<T>::is_exact==true are integer types, a library may define exact types that aren't integers, e.g. a rational arithmetics type representing fractions.
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[editar] Ver también

[estático]
identifica los tipos enteros
Original:
identifies integer types
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(público miembro constante estática) [edit]
[estático]
identifica los tipos firmados
Original:
identifies signed types
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(público miembro constante estática) [edit]
[estático]
identifies types that represent a finite set of values
(público miembro constante estática) [edit]