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std::valarray<T>::resize

From cppreference.com
< cpp‎ | numeric‎ | valarray
 
 
Numerics library
 
std::valarray
 
void resize( std::size_t count, T value = T() );

Resizes the valarray to contain count elements and assigns value to each element.

This functions invalidates all pointers and references to elements in the array.

[edit] Parameters

count - new size of the container
value - the value to initialize the new elements with

[edit] Return value

(none)

[edit] Example

Run this code
#include <iostream>
#include <valarray>
 
int main()
{
 std::valarray <int> v{1, 2, 3};
 v.resize(10);
 for (int n : v)
 std::cout << n << ' ';
 std::cout << '\n';
}

Output:

0 0 0 0 0 0 0 0 0 0

[edit] See also

returns the size of valarray
(public member function) [edit]
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