std::valarray::size - cppreference.com (original) (raw)

Returns the number of elements in the valarray.

[edit] Parameters

(none)

[edit] Return value

Number of elements in the valarray.

[edit] Example

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

Output:

[edit] See also

| | changes the size of valarray (public member function) [edit] | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |