Espacios de nombres
Variantes
Acciones

nan, nanf, nanl

De cppreference.com
< c‎ | numeric‎ | math

 
 
 
Funciones matemáticas comunes
Funciones
Original:
Functions
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Operaciones básicas
Original:
Basic operations
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(C99)
(C99)
(C99)
(C99)
(C99)
nannanfnanl
(C99)(C99)(C99)
Funciones exponenciales
Original:
Exponential functions
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(C99)
(C99)
(C99)
(C99)
Funciones de energía
Original:
Power functions
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(C99)
(C99)
Funciones trigonométricas e hiperbólicas
Original:
Trigonometric and hyperbolic functions
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(C99)
(C99)
(C99)
Error gamma y funciones
Original:
Error and gamma functions
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(C99)
(C99)
(C99)
(C99)
Más cerca de las operaciones con enteros en coma flotante
Original:
Nearest integer floating point operations
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(C99)(C99)(C99)
(C99)
(C99)(C99)(C99)
Funciones de punto flotante de manipulación
Original:
Floating point manipulation functions
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(C99)(C99)
(C99)
(C99)
Clasificación
Original:
Classification
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(C99)
(C99)
(C99)
Constantes Macro
Original:
Macro constants
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Definido en la cabecera <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);.
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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.
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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]