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libcxx/test/std/numerics/numarray/template.valarray/valarray.assign/value_assign.pass.cpp

33 lines
811 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <valarray>
// template<class T> class valarray;
// valarray& operator=(const value_type& x);
#include <valarray>
#include <cassert>
#include <cstddef>
int main()
{
{
typedef int T;
T a[] = {1, 2, 3, 4, 5};
const unsigned N = sizeof(a)/sizeof(a[0]);
std::valarray<T> v(a, N);
v = 7;
assert(v.size() == N);
for (std::size_t i = 0; i < v.size(); ++i)
assert(v[i] == 7);
}
}