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std::isunordered

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< cpp‎ | numeric‎ | math

 
 
Numéricos biblioteca
Funciones matemáticas comunes
Floating-point medio ambiente
Los números complejos
Matrices numéricas
Pseudo-aleatoria de generación de números
En tiempo de compilación aritmética racional (C++11)
Genéricos operaciones numéricas
Original:
Generic numeric operations
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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
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Power functions
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Funciones trigonométricas e hiperbólicas
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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 / Comparación
Original:
Classification/Comparison
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isunordered
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Constantes Macro
Original:
Macro constants
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Definido en la cabecera <cmath>
bool isunordered( float x, float y );
(desde C++11)
bool isunordered( double x, double y );
(desde C++11)
bool isunordered( long double x, long double y );
(desde C++11)
Determina si los números de punto flotante y x y están ordenados, es decir, uno o ambos están NaN y por lo tanto no pueden compararse entre sí .
Original:
Determines if the floating point numbers x and y are unordered, that is, one or both are NaN and thus cannot be meaningfully compared with each other.
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[editar] Parámetros

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

true si bien x o y es NaN, false lo contrario
Original:
true if either x or y is NaN, false otherwise
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[editar] Ver también

clasifica el valor dado en coma flotante
Original:
categorizes the given floating point value
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(función) [editar]
(C++11)
Comprueba si el número dado es NaN
Original:
checks if the given number is NaN
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(función) [editar]