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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 operator~() const;
     15 
     16 #include <valarray>
     17 #include <cassert>
     18 
     19 int main()
     20 {
     21     {
     22         typedef int T;
     23         T a[] = {1, 2, 3, 4, 5};
     24         const unsigned N = sizeof(a)/sizeof(a[0]);
     25         std::valarray<T> v(a, N);
     26         std::valarray<T> v2 = ~v;
     27         assert(v2.size() == v.size());
     28         for (int i = 0; i < v2.size(); ++i)
     29             assert(v2[i] == ~v[i]);
     30     }
     31     {
     32         typedef std::valarray<int> T;
     33         T a[] = {T(1), T(2), T(3), T(4), T(5)};
     34         const unsigned N = sizeof(a)/sizeof(a[0]);
     35         std::valarray<T> v(a, N);
     36         std::valarray<T> v2 = ~v;
     37         assert(v2.size() == v.size());
     38         for (int i = 0; i < N; ++i)
     39         {
     40             assert(v2[i].size() == v[i].size());
     41             for (int j = 0; j < v[i].size(); ++j)
     42                 assert(v2[i][j] == ~v[i][j]);
     43         }
     44     }
     45     {
     46         typedef int T;
     47         T a[] = {1, 2, 3, 4, 5};
     48         const unsigned N = sizeof(a)/sizeof(a[0]);
     49         std::valarray<T> v(a, N);
     50         std::valarray<T> v2 = ~(v + v);
     51         assert(v2.size() == v.size());
     52         for (int i = 0; i < v2.size(); ++i)
     53             assert(v2[i] == ~(2*v[i]));
     54     }
     55 }
     56