std::valarray::sum

 

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Generische numerische Operationen Original: Generic numeric operations 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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std::valarray

Member-Funktionen Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
valarray::valarray valarray::~valarray valarray::operator= valarray::operator[] valarray::swap valarray::size valarray::resize valarray::sum valarray::min valarray::max valarray::shift valarray::cshift valarray::apply	valarray::operator+ valarray::operator- valarray::operator~ valarray::operator! valarray::operator+= valarray::operator-= valarray::operator*= valarray::operator/= valarray::operator%= valarray::operator&= valarray::operator|= valarray::operator^= valarray::operator<<= valarray::operator>>=
Non-Member-Funktionen Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
swap (C++11) begin (C++11) end (C++11) abs exp log log10 pow sqrt sin cos tan asin acos atan atan2 sinh cosh tanh	operator* operator/ operator% operator+ operator- operator^ None operator& operator| operator<< operator>> operator&& operator None operator== operator!= operator< operator> operator<= operator>=
Helper-Klassen Original: Helper classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
slice_array gslice_array indirect_array	slice gslice mask_array

 

T sum()const;

Berechnet die Summe der Elemente .

Original:

Computes the sum of the elements.

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Die Funktion kann nur verwendet werden, wenn operator+= für Typ T definiert werden. Wenn die std::valarray leer ist, ist das Verhalten undefiniert. Die Reihenfolge, in der die Elemente von dieser Funktion verarbeitet werden, ist nicht angegeben .

Original:

The function can be used only if operator+= is defined for type T. If the std::valarray is empty, the behavior is undefined. The order in which the elements are processed by this function is unspecified.

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Parameter

(None)

Original:

(none)

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Rückgabewert

Die Summe der Elemente .

Original:

The sum of the elements.

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Beispiel

#include <iostream>#include <valarray>   int main(){std::valarray<int> a ={1, 2, 3, 4, 5, 6, 7, 8, 9, 10};std::cout<< a.sum()<<'\n';}

Output:

55

Siehe auch

apply	applies a function to every element of a valarray (öffentliche Elementfunktion)
accumulate	fasst eine Reihe von Elementen Original: sums up a range of elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)