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signbit

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< c‎ | numeric‎ | math

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C
 
Números
 
Funciones matemáticas comunes
Funciones
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Functions
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Operaciones básicas
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Basic operations
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(C99)
(C99)
(C99)
(C99)
(C99)
(C99)
(C99)(C99)(C99)
Funciones exponenciales
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Exponential functions
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(C99)
(C99)
(C99)
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Funciones de energía
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Power functions
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(C99)
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Funciones trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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(C99)
(C99)
(C99)
Error gamma y funciones
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Error and gamma functions
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(C99)
(C99)
(C99)
(C99)
Más cerca de las operaciones con enteros en coma flotante
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Nearest integer floating point operations
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(C99)(C99)(C99)
(C99)
(C99)
(C99)(C99)(C99)
Funciones de punto flotante de manipulación
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Floating point manipulation functions
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(C99)(C99)
(C99)
(C99)
Clasificación
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Classification
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(C99)
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signbit
(C99)
Constantes Macro
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Macro constants
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Definido en el archivo de encabezado <math.h>
#define signbit(arg) /* implementation defined */
 (desde C99)
Determina si el dado arg número de punto flotante es negativo. La macro devuelve un valor entero .
Original:
Determines if the given floating point number arg is negative. The macro returns an integral value.
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[editar] Parámetros

arg -
flotando valor en puntos
Original:
floating point value
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[editar] Valor de retorno

Valor distinto de cero si arg integral es negativa, ​0​ lo contrario
Original:
Nonzero integral value if arg is negative, ​0​ otherwise
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[editar] Ver también
valor absoluto de un valor de punto flotante (|x|)
Original:
absolute value of a floating point value (|x|)
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(función) [editar]
(C99)
copia el signo de un valor de punto flotante
Original:
copies the sign of a floating point value
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(función) [editar]
Documentación de C++ para signbit
Obtenido de «https://es.cppreference.com/mwiki/index.php?title=c/numeric/math/signbit&oldid=29784»