26.valarray.sub.stdcxx-309.cpp

Go to the documentation of this file.

 
#include <cassert>
#include <cstddef>
#include <valarray>
 
int main ()
{
    const int a[] = { 1, 2, 3, 4, 5, 6 };
 
    const std::valarray<int> v (a, sizeof a / sizeof *a);
 
    const std::size_t start = 5;
    std::valarray<std::size_t> length (1, 1);
    std::valarray<std::size_t> stride (1, 1);
 
    const std::gslice gsl (start, length, stride);
 
    for (int i = 0; i != 2; ++i) {
        const std::valarray<int> vsl = v [gsl];
        assert (a [start] == vsl [0]);
    }
 
    return 0;
}