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std::numeric_limits::is_signed

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Operadores relacionales
Original:
Relational operators
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Pairs and tuples
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Cambiar, hacia adelante y mover
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Swap, forward and move
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Tipos básicos
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Basic types
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Tipos fundamentales
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Límites numéricos
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Numeric limits
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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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Propiedades de tipo
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Type properties
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Operaciones compatibles
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Supported operations
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Relaciones y consultas de propiedad
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Relationships and property queries
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Modificaciones de tipo
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Type modifications
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Transformaciones de tipo
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Type transformations
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Escriba constantes rasgos
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Type trait constants
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std::numeric_limits
 
static const bool is_signed
(hasta C++11)
static constexpr bool is_signed
(desde C++11)
El valor de std::numeric_limits<T>::is_signed es true para todos los tipos aritméticos firmados T y para false los tipos sin signo. Esta constante es significativa para todas las especialidades .
Original:
The value of std::numeric_limits<T>::is_signed is true for all signed arithmetic types T and false for the unsigned types. This constant is meaningful for all specializations.
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[editar] Especializaciones estándar

T
valor de std::numeric_limits<T>::is_signed
Original:
value of std::numeric_limits<T>::is_signed
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/* non-specialized */ false
bool false
char
definido por la implantación
Original:
implementation-defined
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signed char true
unsigned char false
wchar_t
definido por la implantación
Original:
implementation-defined
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char16_t false
char32_t false
short true
unsigned short false
int true
unsigned int false
long true
unsigned long false
long long true
unsigned long long false
float true
double true
long double true

[editar] Ver también

(C++11)
Comprueba si un tipo se firmaron tipo entero
Original:
checks if a type is signed integer type
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(plantilla de clase)
[estático]
identifica los tipos enteros
Original:
identifies integer types
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(miembro público estático constante) [editar]
[estático]
identifica los tipos exactos
Original:
identifies exact types
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(miembro público estático constante) [editar]
[estático]
identifies types that represent a finite set of values
(miembro público estático constante) [editar]