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//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <valarray>
// template<class T> class valarray;
// mask_array<value_type> operator[](const valarray<bool>& vb);
#include <valarray>
#include <cassert>
int main()
{
int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
bool b[N1] = {true, false, false, true, true, false,
false, true, false, false, false, true};
std::valarray<int> v1(a1, N1);
std::valarray<bool> vb(b, N1);
std::valarray<int> v2(5);
v2 = v1[vb];
assert(v2.size() == 5);
assert(v2[ 0] == 0);
assert(v2[ 1] == 3);
assert(v2[ 2] == 4);
assert(v2[ 3] == 7);
assert(v2[ 4] == 11);
}
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