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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <valarray>
     11 
     12 // template<class T> class valarray;
     13 
     14 // valarray<bool> operator!() const;
     15 
     16 #include <valarray>
     17 #include <cassert>
     18 #include <cstddef>
     19 
     20 int main()
     21 {
     22     {
     23         typedef int T;
     24         T a[] = {1, 2, 3, 4, 5};
     25         const unsigned N = sizeof(a)/sizeof(a[0]);
     26         std::valarray<T> v(a, N);
     27         std::valarray<bool> v2 = !v;
     28         assert(v2.size() == v.size());
     29         for (std::size_t i = 0; i < v2.size(); ++i)
     30             assert(v2[i] == !v[i]);
     31     }
     32     {
     33         typedef double T;
     34         T a[] = {1, 2.5, 3, 4.25, 5};
     35         const unsigned N = sizeof(a)/sizeof(a[0]);
     36         std::valarray<T> v(a, N);
     37         std::valarray<bool> v2 = !(v + v);
     38         assert(v2.size() == v.size());
     39         for (std::size_t i = 0; i < v2.size(); ++i)
     40             assert(v2[i] == !(2 * v[i]));
     41     }
     42 }
     43