Espacios de nombres
Variantes
Acciones

FE_DIVBYZERO, FE_INEXACT, FE_INVALID, FE_OVERFLOW, FE_UNDERFLOW, FE_ALL_EXCEPT

De cppreference.com
< c‎ | numeric‎ | fenv
Definido en la cabecera <<fenv.h>>
#define FE_DIVBYZERO    /*implementation defined power of 2*/
(desde C99)
#define FE_INEXACT      /*implementation defined power of 2*/
(desde C99)
#define FE_INVALID      /*implementation defined power of 2*/
(desde C99)
#define FE_OVERFLOW     /*implementation defined power of 2*/
(desde C99)
#define FE_UNDERFLOW    /*implementation defined power of 2*/
(desde C99)
#define FE_ALL_EXCEPT  FE_DIVBYZERO | FE_INEXACT | \

                       FE_INVALID | FE_OVERFLOW |  \

                       FE_UNDERFLOW
(desde C99)
Todas estas constantes macro (excepto FE_ALL_EXCEPT) extender a expresiones constantes enteros que son potencias distintas de 2, que identifican de forma única todos apoyados excepciones de punto flotante. Cada macro se define sólo si es respaldada .
Original:
All these macro constants (except FE_ALL_EXCEPT) expand to integer constant expressions that are distinct powers of 2, which uniquely identify all supported floating-point exceptions. Each macro is only defined if it is supported.
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El FE_ALL_EXCEPT macro constante, que se expande a la OR bit a bit de todos FE_* otra parte, siempre se define y es cero si excepciones de punto flotante no son compatibles con la puesta en práctica .
Original:
The macro constant FE_ALL_EXCEPT, which expands to the bitwise OR of all other FE_*, is always defined and is zero if floating-point exceptions are not supported by the implementation.
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Constant
Original:
Constant
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Explanation
FE_DIVBYZERO
la división por cero se produjo durante la operación anterior de punto flotante
Original:
division by zero occurred during the earlier floating-point operation
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FE_INEXACT
inexacto resultado: redondeo era necesario para almacenar el resultado de la operación anterior de punto flotante
Original:
inexact result: rounding was necessary to store the result of the earlier floating-point operation
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FE_INVALID
operación no válida: la operación de punto flotante antes no podía realizar
Original:
invalid operation: the earlier floating-point operation could not performed
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FE_OVERFLOW
el resultado de la anterior operación de punto flotante era demasiado grande para ser representable
Original:
the result of the earlier floating-point operation was too large to be representable
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FE_UNDERFLOW
el resultado de la operación anterior de punto flotante era subnormal
Original:
the result of the earlier floating-point operation was subnormal
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FE_ALL_EXCEPT
OR bit a bit de todos los soportados excepciones de punto flotante
Original:
bitwise OR of all supported floating-point exceptions
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La aplicación puede definir constantes adicionales macro en <fenv.h> para identificar otras excepciones de punto flotante. Todas las constantes tales comenzar con FE_ seguido por al menos una letra mayúscula .
Original:
The implementation may define additional macro constants in <fenv.h> to identify additional floating-point exceptions. All such constants begin with FE_ followed by at least one uppercase letter.
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[editar] Ejemplo

[editar] Ver también

Documentación de C++ para floating point exception macros