std::log<div class="t-tr-text">(Std :: valarray)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::valarray)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>
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| definiert in Header <valarray>
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| template< class T > valarray<T> log( const valarray<T>& va ); |
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Für jedes Element in
va berechnet natürlichen Logarithmus des Wertes des Element . Original:
For each element in
va computes natural logarithm of the value of the element. The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Inhaltsverzeichnis |
Parameter
| va | - | Wert-Array, um die Operation zu verarbeiten
Original: value array to apply the operation to The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Rückgabewert
Verhältnis Array natürlichen Logarithmen der Werte in
va .Original:
Value array natural logarithms of the values in
va.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Notes
Unqualifizierte Funktion (log) verwendet wird, um die Berechnung auszuführen. Wenn diese Funktion nicht verfügbar ist, wird std::log verwendet wird wegen Argument abhängig Lookup .
Original:
Unqualified function (log) is used to perform the computation. If such function is not available, std::log is used due to argument dependent lookup.
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Die Funktion kann mit dem Rückgabetyp anders std::valarray umgesetzt werden. In diesem Fall weist die Ersetzungsart die folgenden Eigenschaften:
Original:
The function can be implemented with the return type different from std::valarray. In this case, the replacement type has the following properties:
The text has been machine-translated via Google Translate.
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- Alle const Elementfunktionen std::valarray bereitgestellt werden .Original:All const member functions of std::valarray are provided.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. - std::valarray, std::slice_array, std::gslice_array, std::mask_array und std::indirect_array kann aus dem Ersatz-Typ gebaut werden .Original:std::valarray, std::slice_array, std::gslice_array, std::mask_array and std::indirect_array can be constructed from the replacement type.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. - Alle Funktionen Annehmen eines Argumente des Typs const std::valarray& sollten auch akzeptieren, den Austausch Typ .Original:All functions accepting a arguments of type const std::valarray& should also accept the replacement type.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions. - Alle Funktionen mit zwei Parametern vom Typ const std::valarray& sollten akzeptieren, jede Kombination von const std::valarray& und den Ersatz Typ .Original:All functions accepting two arguments of type const std::valarray& should accept every combination of const std::valarray& and the replacement type.The text has been machine-translated via Google Translate.
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Mögliche Implementierung
template< class T > valarray<T> log( const valarray<T>& va ) { valarray<T> other = va; for (T &i : other) { i = log(i); } } |
Beispiel
| This section is incomplete Reason: no example |
