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std::ios_base::precision

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< cpp‎ | io‎ | ios base

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C++
 
Input / Output-Bibliothek
I / O-Manipulatoren
C-style I / O
Puffern
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Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(veraltet)
Streams
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Streams
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Abstraktionen
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Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
Datei-I / O
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File I/O
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basic_ifstream
basic_ofstream
basic_fstream
String I / O
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String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Array I / O
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Array I/O
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istrstream(veraltet)
ostrstream(veraltet)
strstream(veraltet)
Types
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Types
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streamoff
streamsize
fpos
Fehler Kategorie Schnittstelle
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Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::ios_base
Member-Funktionen
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Member functions
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ios_base::ios_base
ios_base::~ios_base
Formatierung
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Formatting
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ios_base::flags
ios_base::setf
ios_base::unsetf
ios_base::precision
ios_base::width
Locales
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Locales
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ios_base::imbue
ios_base::getloc
Interne erweiterbare Array
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Internal extensible array
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ios_base::xalloc
ios_base::iword
ios_base::pword
Verschiedenes
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Miscellaneous
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ios_base::register_callback
ios_base::sync_with_stdio
Mitglied Klassen
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Member classes
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ios_base::failure
ios_base::Init
Mitglied Typen
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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)
Verwaltet die Präzision (dh wie viele Ziffern generiert) bestimmter numerische Ausgabe Konvertierungen .
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Manages the precision (i.e. how many digits are generated) of certain numeric output conversions.
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1)
Liefert die aktuelle Präzision .
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Returns the current precision.
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2)
Setzt die Genauigkeit der gegebenen ein .
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Sets the precision to the given one.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

new_precision -
neue Präzisions-Einstellung
Original:
new precision setting
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[Bearbeiten] Rückgabewert

die Präzision vor dem Aufruf der Funktion
Original:
the precision before the call to the function
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[Bearbeiten] Beispiel

This section is incomplete
Reason: no example

[Bearbeiten] Siehe auch

 manages field width
(öffentliche Elementfunktion) [edit]
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