Namespace
Varianti

std::feupdatedenv

Da cppreference.com.
< cpp‎ | numeric‎ | fenv

 
 
Numeri libreria
Comuni funzioni matematiche
Virgola mobile ambiente
I numeri complessi
Array numerici
Pseudo-casuale generazione
In fase di compilazione aritmetica razionale (C++11)
Generici operazioni numeriche
Original:
Generic numeric operations
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Virgola mobile ambiente
Funzioni
Original:
Functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
feclearexcept(C++11)
fetestexcept(C++11)
feraiseexcept(C++11)
fegetexceptflag
fesetexceptflag
(C++11)
(C++11)
fegetround
fesetround
(C++11)
(C++11)
fegetenv
fesetenv
(C++11)
feholdexcept(C++11)
feupdateenv(C++11)
Macro costanti
Original:
Macro constants
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
FE_ALL_EXCEPT
FE_DIVBYZERO
FE_INEXACT
FE_INVALID
FE_OVERFLOW
FE_UNDERFLOW
(C++11)
FE_DOWNWARD
FE_TONEAREST
FE_TOWARDZERO
FE_UPWARD
(C++11)
FE_DFL_ENV(C++11)
 
Defined in header <cfenv>
int feupdateenv( const std::fenv_t* envp )
(dal C++11)
In primo luogo, ricorda i attualmente sollevate eccezioni a virgola mobile, quindi ripristina la virgola mobile ambiente dall'oggetto puntato da envp (simile a std::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 std::fesetenv), then raises the floating-point exceptions that were saved.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Questa funzione può essere utilizzata per porre fine alla non-stop modalità stabilite da una precedente chiamata a std::feholdexcept.
Original:
This function may be used to end the non-stop mode established by an earlier call to std::feholdexcept.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifica] Parametri

envp -
puntatore all'oggetto di tipo std::fenv_t stabilito da una precedente chiamata a std::feholdexcept o std::fegetenv o uguale a FE_DFL_ENV
Original:
pointer to the object of type std::fenv_t set by an earlier call to std::feholdexcept or std::fegetenv or equal to FE_DFL_ENV
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifica] Valore di ritorno

0 in caso di successo, non-zero altrimenti.
Original:
0 on success, non-zero otherwise.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(funzione) [edit]
salva o ripristina l'ambiente corrente in virgola mobile
Original:
saves or restores the current floating point environment
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(funzione) [edit]
predefinito in virgola mobile ambiente
Original:
default floating-point environment
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(macro costante) [edit]