Namespace
Varianti

std::ios_base::precision

Da cppreference.com.
< cpp‎ | io‎ | ios base

 
 
Ingresso / libreria di output
I / O manipolatori
C-style I / O
Buffer
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(deprecato)
Streams
Original:
Streams
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Astrazioni
Original:
Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I / O
Original:
File I/O
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basic_ifstream
basic_ofstream
basic_fstream
String I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Array I / O
Original:
Array I/O
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istrstream(deprecato)
ostrstream(deprecato)
strstream(deprecato)
Tipi
Original:
Types
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streamoff
streamsize
fpos
Errore categoria interfaccia
Original:
Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::ios_base
Membri funzioni
Original:
Member functions
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ios_base::ios_base
ios_base::~ios_base
Formattazione
Original:
Formatting
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ios_base::flags
ios_base::setf
ios_base::unsetf
ios_base::precision
ios_base::width
Versioni locali
Original:
Locales
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ios_base::imbue
ios_base::getloc
Interno di matrice estensibile
Original:
Internal extensible array
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ios_base::xalloc
ios_base::iword
ios_base::pword
Varie
Original:
Miscellaneous
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ios_base::register_callback
ios_base::sync_with_stdio
Membri classi
Original:
Member classes
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ios_base::failure
ios_base::Init
Membri tipi
Original:
Member types
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ios_base::openmode
ios_base::fmtflags
ios_base::iostate
ios_base::seekdir
ios_base::event
ios_base::event_callback
 
streamsize precision() const;
(1)
streamsize precision( streamsize new_precision );
(2)
Gestisce la precisione (cioè il numero di cifre vengono generati) di alcune conversioni di output numerici.
Original:
Manages the precision (i.e. how many digits are generated) of certain numeric output conversions.
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1)
Restituisce la precisione corrente.
Original:
Returns the current precision.
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2)
Imposta la precisione a quella data.
Original:
Sets the precision to the given one.
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Indice

[modifica] Parametri

new_precision -
nuova impostazione della precisione
Original:
new precision setting
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[modifica] Valore di ritorno

la precisione prima della chiamata alla funzione
Original:
the precision before the call to the function
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[modifica] Esempio

[modifica] Vedi anche

manages field width
(membro pubblico funzione) [edit]