libcxx/test/std/numerics/rand/rand.dist/rand.dist.pois/rand.dist.pois.poisson/assign.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <random>
  10
  11 // template<class IntType = int>
  12 // class poisson_distribution
  13
  14 // poisson_distribution& operator=(const poisson_distribution&);
  15
  16 #include <random>
  17 #include <cassert>
  18
  19 #include "test_macros.h"
  20
  21 void
  22 test1()
  23 {
  24     typedef std::poisson_distribution<> D;
  25     D d1(0.75);
  26     D d2;
  27     assert(d1 != d2);
  28     d2 = d1;
  29     assert(d1 == d2);
  30 }
  31
  32 int main(int, char**)
  33 {
  34     test1();
  35
  36   return 0;
  37 }