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std::ios_base::width

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< cpp‎ | io‎ | ios base

 
 
入力/出力ライブラリ
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CスタイルのI / O
バッファ
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Buffers
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basic_streambuf
basic_filebuf
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strstreambuf(廃止予定)
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istrstream(廃止予定)
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streamoff
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iostream_category(C++11)
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std::ios_base
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ios_base::ios_base
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ios_base::flags
ios_base::setf
ios_base::unsetf
ios_base::precision
ios_base::width
ロケール
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ios_base::imbue
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ios_base::failure
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ios_base::openmode
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streamsize width() const;
(1)
streamsize width( streamsize new_width );
(2)

Manages the minimum number of characters to generate on certain output conversions.

1) Returns the current field width.

2)
指定されたものに精度を設定します.
Original:
Sets the precision to the given one.
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目次

[編集] パラメータ

new_width - new field width setting

[編集] 値を返します

the field width before the call to the function

[編集]

[編集] も参照してください

浮動小数点演算の小数点以下の桁数を管理しています
Original:
manages decimal precision of floating point operations
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(パブリックメンバ関数) [edit]