std::valarray::sum
De cppreference.com
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<tbody> </tbody> T sum() const; |
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Calcula a soma dos elementos.
Original:
Computes the sum of the elements.
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A função pode ser usada somente se
operator+= é definido para T tipo. Se o std::valarray está vazio, o comportamento é indefinido. A ordem em que os elementos são processados por esta função não é especificado.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.The text has been machine-translated via Google Translate.
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Parâmetros
(Nenhum)
Original:
(none)
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Valor de retorno
A soma dos elementos.
Original:
The sum of the elements.
The text has been machine-translated via Google Translate.
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Exemplo
#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';
}
Saída:
55
