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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 value_type& x);
     15 
     16 #include <valarray>
     17 #include <cassert>
     18 
     19 int main()
     20 {
     21     {
     22         typedef int T;
     23         T a1[] = { 1,   2,  3,  4,  5};
     24         T a2[] = { 8,  16, 24, 32, 40};
     25         const unsigned N = sizeof(a1)/sizeof(a1[0]);
     26         std::valarray<T> v1(a1, N);
     27         std::valarray<T> v2(a2, N);
     28         v2 >>= 3;
     29         assert(v1.size() == v2.size());
     30         for (int i = 0; i < v1.size(); ++i)
     31             assert(v1[i] == v2[i]);
     32     }
     33 }
     34