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HUGE_VALF

Da cppreference.com.
< cpp‎ | numeric‎ | math

 
 
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Generic numeric operations
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Più vicini operazioni di interi in virgola mobile
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Macro costanti
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Macro constants
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HUGE_VALF
HUGE_VAL
HUGE_VALL
(C++11)

(C++11)
INFINITY(C++11)
NAN(C++11)
math_errhandling
MATH_ERRNO
MATH_ERREXCEPT
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FP_NORMAL
FP_SUBNORMAL
FP_ZERO
FP_INFINITE
FP_NAN
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(C++11)
(C++11)
(C++11)
(C++11)
 
Defined in header <cmath>
#define HUGE_VALF /*implementation defined*/
(dal C++11)
#define HUGE_VAL  /*implementation defined*/
#define HUGE_VALL /*implementation defined*/
(dal C++11)
Il HUGE_VALF, HUGE_VAL e HUGE_VALL macro positivi si espandono per le espressioni costanti in virgola mobile, che risultano uguali ai valori restituiti da virgola mobile funzioni e gli operatori in caso di troppo pieno.
Original:
The HUGE_VALF, HUGE_VAL and HUGE_VALL macros expand to positive floating point constant expressions which compare equal to the values returned by floating-point functions and operators in case of overflow.
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Constant
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Constant
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Explanation
HUGE_VALF
Si espande espressione float positivo che indica overflow
Original:
Expands to positive float expression that indicates overflow
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HUGE_VAL
Si espande espressione double positivo che indica overflow, non necessariamente rappresentabile come float
Original:
Expands to positive double expression that indicates overflow, not necessarily representable as a float
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HUGE_VALL
Si espande espressione long double positivo che indica overflow, non necessariamente rappresentabile come float o double
Original:
Expands to positive long double expression that indicates overflow, not necessarily representable as a float or double
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In implementazioni che supportano virgola mobile infiniti, queste macro sempre si espandono per gli infiniti positivi float, double e long double, rispettivamente.
Original:
On implementations that support floating-point infinities, these macros always expand to the positive infinities of float, double, and long double, respectively.
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