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FP_NORMAL, FP_SUBNORMAL, FP_ZERO, FP_INFINITE, FP_NAN

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Generic numeric operations
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Functions
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Basic operations
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Nearest integer floating point operations
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fpclassify(C++11)
isfinite(C++11)
isinf(C++11)
isnan(C++11)
isnormal(C++11)
signbit(C++11)
isgreater(C++11)
isgreaterequal(C++11)
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Constantes Macro
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Macro constants
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FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
 
Defined in header <cmath>
#define FP_NORMAL    /*implementation defined*/
(desde C++11)
#define FP_SUBNORMAL /*implementation defined*/
(desde C++11)
#define FP_ZERO      /*implementation defined*/
(desde C++11)
#define FP_INFINITE  /*implementation defined*/
(desde C++11)
#define FP_NAN       /*implementation defined*/
(desde C++11)
El FP_NORMAL, FP_SUBNORMAL, FP_ZERO, FP_INFINITE, FP_NAN macros representan cada uno una categoría distinta de números de punto flotante. Todos se expandirá a una expresión constante entera .
Original:
The FP_NORMAL, FP_SUBNORMAL, FP_ZERO, FP_INFINITE, FP_NAN macros each represent a distinct category of floating-point numbers. They all expand to an integer constant expression.
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Constant
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Constant
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Explanation
FP_NORMAL
indica que el valor es normal, es decir, no un infinito, subnormal, no un número-o cero
Original:
indicates that the value is normal, i.e. not an infinity, subnormal, not-a-number or zero
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FP_SUBNORMAL
indica que el valor es inferior a la normal'
Original:
indicates that the value is subnormal
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FP_ZERO
indica que el valor es cero positivo o negativo
Original:
indicates that the value is positive or negative zero
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FP_INFINITE
indica que el valor no es representable por el tipo subyacente (infinito positivo o negativo)
Original:
indicates that the value is not representable by the underlying type (positive or negative infinity)
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FP_NAN
indica que el valor no-un número-es (NaN)
Original:
indicates that the value is not-a-number (NaN)
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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) [edit]