Namespace
Varianti

feupdatedenv

Da cppreference.com.
< c‎ | numeric‎ | fenv

Defined in header <<fenv.h>>
int feupdateenv( const fenv_t* envp );
In primo luogo, ricorda i attualmente sollevate eccezioni a virgola mobile, quindi ripristina la virgola mobile ambiente dall'oggetto puntato da envp (simile a fesetenv), poi solleva le eccezioni a virgola mobile che sono stati salvati.
Original:
First, remembers the currently raised floating-point exceptions, then restores the floating-point environment from the object pointed to by envp (similar to fesetenv), then raises the floating-point exceptions that were saved.
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Questa funzione può essere utilizzata per porre fine alla non-stop modalità stabilite da una precedente chiamata a feholdexcept.
Original:
This function may be used to end the non-stop mode established by an earlier call to feholdexcept.
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Indice

[modifica] Parametri

envp -
puntatore all'oggetto di tipo fenv_t stabilito da una precedente chiamata a feholdexcept o fegetenv o uguale a FE_DFL_ENV
Original:
pointer to the object of type fenv_t set by an earlier call to feholdexcept or fegetenv or equal to FE_DFL_ENV
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[modifica] Valore di ritorno

0 in caso di successo, non-zero altrimenti.
Original:
0 on success, non-zero otherwise.
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[modifica] Esempio

[modifica] Vedi anche

salva l'ambiente, cancella tutti i flag di stato e ignora tutti gli errori futuri
Original:
saves the environment, clears all status flags and ignores all future errors
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(funzione) [edit]
salva o ripristina l'ambiente corrente in virgola mobile
Original:
saves or restores the current floating point environment
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(funzione) [edit]
predefinito in virgola mobile ambiente
Original:
default floating-point environment
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(macro costante) [edit]
C++ documentation for feupdateenv