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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 // <random>
     11 
     12 // template <class UIntType, size_t w, size_t n, size_t m, size_t r,
     13 //           UIntType a, size_t u, UIntType d, size_t s,
     14 //           UIntType b, size_t t, UIntType c, size_t l, UIntType f>
     15 // class mersenne_twister_engine;
     16 
     17 // template<class Sseq> void seed(Sseq& q);
     18 
     19 #include <random>
     20 #include <cassert>
     21 
     22 void
     23 test1()
     24 {
     25     unsigned a[] = {3, 5, 7};
     26     std::seed_seq sseq(a, a+3);
     27     std::mt19937 e1;
     28     std::mt19937 e2(sseq);
     29     assert(e1 != e2);
     30     e1.seed(sseq);
     31     assert(e1 == e2);
     32 }
     33 
     34 void
     35 test2()
     36 {
     37     unsigned a[] = {3, 5, 7};
     38     std::seed_seq sseq(a, a+3);
     39     std::mt19937_64 e1;
     40     std::mt19937_64 e2(sseq);
     41     assert(e1 != e2);
     42     e1.seed(sseq);
     43     assert(e1 == e2);
     44 }
     45 
     46 int main()
     47 {
     48     test1();
     49     test2();
     50 }
     51