Namespace
Varianti

FLT_EVAL_METHOD

Da cppreference.com.
< c‎ | types‎ | limits

Defined in header <float.h>
#define FLT_EVAL_METHOD /* implementation defined */
(dal C99)
Consente di specificare la precisione in cui si svolgono tutte le operazioni in virgola mobile aritmetiche.
Original:
Specifies the precision in which all floating-point arithmetic operations are done.
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Valore
Original:
Value
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Explanation
negative values except -1
implementazione definita comportamento
Original:
implementation-defined behavior
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-1
la precisione predefinita non è noto
Original:
the default precision is not known
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0
tutte le operazioni e le costanti valutare nella gamma e precisione del tipo utilizzato. Inoltre, float_t e double_t sono equivalenti a float e double rispettivamente
Original:
all operations and constants evaluate in the range and precision of the type used. Additionally, float_t and double_t are equivalent to float and double respectively
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1
tutte le operazioni e le costanti di valutare nel range e la precisione di double. Inoltre, sia float_t e double_t sono equivalenti a double
Original:
all operations and constants evaluate in the range and precision of double. Additionally, both float_t and double_t are equivalent to double
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2
tutte le operazioni e le costanti di valutare nel range e la precisione di long double. Inoltre, sia float_t e double_t sono equivalenti a long double
Original:
all operations and constants evaluate in the range and precision of long double. Additionally, both float_t and double_t are equivalent to long double
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[modifica] Vedi anche

C++ documentation for FLT_EVAL_METHOD