Espaços nominais
Variantes
    Acções

      std::showpoint, std::noshowpoint

      Da cppreference.com
      < cpp‎ | io‎ | manip

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      C++
       
      De entrada / saída da biblioteca
      I / O manipuladores
      C estilo de I / O
      Buffers
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      Buffers
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      (obsoleta)
      Streams
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      Streams
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      Abstrações
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      Abstractions
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      File I / O
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      File I/O
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      Cordas I / O
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      String I/O
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      Matriz de I / O
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      Array I/O
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      (obsoleta)
      (obsoleta)
      (obsoleta)
      Tipos
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      Types
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      Interface de categoria de erro
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      Error category interface
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      (C++11)
      (C++11)
       
      Entrada / saída manipuladores
      De ponto flutuante de formatação
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      Floating-point formatting
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      showpointnoshowpoint
      Formatação inteiro
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      Integer formatting
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      Formatação booleana
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      Boolean formatting
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      Largura do campo e controle de preenchimento
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      Field width and fill control
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      Outra formatação
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      Other formatting
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      Espaços de processamento
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      Whitespace processing
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      Saída de descarga
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      Output flushing
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      Sinalizadores de status manipulação
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      Status flags manipulation
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      Tempo e dinheiro I / O
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      Time and money I/O
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      (C++11)
      (C++11)
      (C++11)
      (C++11)
       
      Definido no cabeçalho <ios>
      std::ios_base& showpoint(std::ios_base& str );
      		 (1)
      std::ios_base& noshowpoint(std::ios_base& str );
      		 (2)
      Habilita ou desabilita a inclusão incondicional do caractere de ponto decimal em ponto flutuante de saída. Não tem efeito sobre entrada.
      Original:
      Enables or disables the unconditional inclusion of the decimal point character in floating-point output. Has no effect on input.
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      1)
      permite a bandeira showpoint no str fluxo, como se chamando str.setf(std::ios_base::showpoint)
      Original:
      enables the showpoint flag in the stream str as if by calling str.setf(std::ios_base::showpoint)
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      2)
      desabilita a bandeira showpoint no str fluxo, como se chamando str.unsetf(std::ios_base::showpoint)
      Original:
      disables the showpoint flag in the stream str as if by calling str.unsetf(std::ios_base::showpoint)
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      Trata-se de um manipulador de I / O, que pode ser chamada com uma indicação tal como para qualquer out << std::showpointout de std::basic_ostream tipo ou com uma indicação tal como para qualquer in >> std::showpointin de std::basic_istream tipo.
      Original:
      This is an I/O manipulator, it may be called with an expression such as out << std::showpoint for any out of type std::basic_ostream or with an expression such as in >> std::showpoint for any in of type std::basic_istream.
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      Índice

      [editar]Parâmetros

      str -
      referência ao fluxo de E / S
      Original:
      reference to I/O stream
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      [editar]Valor de retorno

      str (referência ao fluxo após a manipulação)
      Original:
      str (reference to the stream after manipulation)
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      [editar]Exemplo

      #include <iostream>int main(){std::cout<<"1.0 with showpoint: "<< std::showpoint<<1.0<<'\n'<<"1.0 with noshowpoint: "<< std::noshowpoint<<1.0<<'\n';}

      Saída: 

      1.0 with showpoint: 1.00000 1.0 with noshowpoint: 1

      [editar]Veja também

      limpa os sinalizadores ios_base especificados
      Original:
      clears the specified ios_base flags
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      (função)[edit]
      define os sinalizadores ios_base especificados
      Original:
      sets the specified ios_base flags
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      (função)[edit]
      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/io/manip/showpoint&oldid=20831"
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