nan, nanf, nanl
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C
Operaciones atómicas (C11)
Soporte de procesos (C11)
Funciones matemáticas comunes
Funciones
Original:
Functions
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Operaciones básicas
Original:
Basic operations
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Funciones exponenciales
Original:
Exponential functions
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Funciones de energía
Original:
Power functions
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Funciones trigonométricas e hiperbólicas
Original:
Trigonometric and hyperbolic functions
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Error gamma y funciones
Original:
Error and gamma functions
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Más cerca de las operaciones con enteros en coma flotante
Original:
Nearest integer floating point operations
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Funciones de punto flotante de manipulación
Original:
Floating point manipulation functions
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Clasificación
Original:
Classification
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(C99)
(C99)
(C99)
(C99)
(C99)
(C99)
Constantes Macro
Original:
Macro constants
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(C99)(C99)
(C99)(C99)(C99)(C99)(C99)
Definido en el archivo de encabezado
<math.h>
float nanf( const char* arg );
(desde C99)
double nan( const char* arg );
(desde C99)
long double nanl( const char* arg );
(desde C99)
Convierte el definido por la implantación
arg cadena de caracteres en el valor correspondiente tranquilo NaN. El std::nan("string") llamada es equivalente a la std::strtod ("NAN(string)", (char**)NULL ); llamada .Original:
Converts the implementation-defined character string
arg into the corresponding quiet NaN value. The call std::nan("string") is equivalent to the call std::strtod ("NAN(string)", (char**)NULL );.The text has been machine-translated via Google Translate.
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[editar] Parámetros
arg
-
cadena de caracteres estrecho identificar el contenido de un NaN, o una cadena vacía
Original:
narrow character string identifying the contents of a NaN, or an empty string
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[editar] Valor de retorno
El valor NaN que corresponde a la cadena de identificación
arg o cero si la implemntation no es compatible con NaNs tranquilas . Original:
The NaN value that corresponds to the identifying string
arg or zero if the implemntation does not support quiet NaNs. The text has been machine-translated via Google Translate.
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[editar] Ver también
(C99)
Comprueba si el número dado es NaN
Original:
checks if the given number is NaN
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(función) [editar]
Documentación de C++ para nan