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std::ios_base::precision

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< cpp‎ | io‎ | ios base

 
 
De entrada / saída da biblioteca
I / O manipuladores
C estilo de I / O
Buffers
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Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(obsoleta)
Streams
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Streams
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Abstrações
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Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I / O
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File I/O
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basic_ifstream
basic_ofstream
basic_fstream
Cordas I / O
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String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Matriz de I / O
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Array I/O
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istrstream(obsoleta)
ostrstream(obsoleta)
strstream(obsoleta)
Tipos
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Types
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streamoff
streamsize
fpos
Interface de categoria de erro
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Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::ios_base
Funções de membro
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Member functions
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ios_base::ios_base
ios_base::~ios_base
Formatação
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Formatting
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ios_base::flags
ios_base::setf
ios_base::unsetf
ios_base::precision
ios_base::width
Localidades
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Locales
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ios_base::imbue
ios_base::getloc
Matriz extensível interno
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Internal extensible array
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ios_base::xalloc
ios_base::iword
ios_base::pword
Diversos
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Miscellaneous
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ios_base::register_callback
ios_base::sync_with_stdio
Aulas-Membros
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Member classes
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ios_base::failure
ios_base::Init
Tipos de membro
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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)
Gerencia a precisão (ou seja, quantos dígitos são gerados) de certas conversões de saída numéricos.
Original:
Manages the precision (i.e. how many digits are generated) of certain numeric output conversions.
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1)
Retorna a precisão atual.
Original:
Returns the current precision.
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2)
Define a precisão para o dado.
Original:
Sets the precision to the given one.
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Índice

[editar] Parâmetros

new_precision -
configuração nova precisão
Original:
new precision setting
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[editar] Valor de retorno

a precisão antes da chamada para a função
Original:
the precision before the call to the function
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[editar] Exemplo

[editar] Veja também

manages field width
(função pública membro) [edit]