std::showpoint, std::noshowpoint
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| Elemento definito nell'header <ios>
|
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| std::ios_base& showpoint( std::ios_base& str ); |
(1) | |
| std::ios_base& noshowpoint( std::ios_base& str ); |
(2) | |
Attiva o disattiva l'inclusione incondizionata del carattere punto decimale in virgola mobile di uscita. Non ha alcun effetto su ingresso.
1) 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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consente la bandiera
2) showpoint nel str flusso come se chiamando str.setf(std::ios_base::showpoint)Original:
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disabilita la bandiera
showpoint nel str flusso come se chiamando str.unsetf(std::ios_base::showpoint)Original:
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Si tratta di un manipolatore di I / O, può essere chiamato con espressioni quali out << std::showpoint per qualsiasi
out di std::basic_ostream tipo o con un'espressione come in >> std::showpoint per qualsiasi in di 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.The text has been machine-translated via Google Translate.
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Indice |
[modifica] Parametri
| str | - | riferimento al flusso di I / O
Original: reference to I/O stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[modifica] Valore di ritorno
str (riferimento al flusso dopo la manipolazione)Original:
str (reference to the stream after manipulation)The text has been machine-translated via Google Translate.
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[modifica] Esempio
#include <iostream> int main() { std::cout << "1.0 with showpoint: " << std::showpoint << 1.0 << '\n' << "1.0 with noshowpoint: " << std::noshowpoint << 1.0 << '\n'; }
Output:
1.0 with showpoint: 1.00000 1.0 with noshowpoint: 1
[modifica] Vedi anche
| cancella le bandiere ios_base specificati Original: clears the specified ios_base flags The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) | |
| imposta i flag ios_base specificati Original: sets the specified ios_base flags The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) | |
