std::valarray<T>::max
Min standard notice:
Computes the maximum value of the elements.
# Declarations
T max() const;
# Return value
The maximum of the elements.
# Example
#include <valarray>
#include <iostream>
int main()
{
std::valarray<double> a{1, 2, 3, 4, 5, 6, 7, 8};
std::cout << "Maximum value : " << a.max() << "\n";
}