Function run_binary_transform_test

tests/pstl/transform.cpp:60–87

void run_binary_transform_test(std::size_t problem_size) {
  std::vector<int> data1(problem_size);
  for(int i = 0; i < data1.size(); ++i) {
    data1[i] = i;
  }

  std::vector<int> data2(problem_size);
  for(int i = 0; i < data2.size(); ++i) {
    data2[i] = -i+10;
  }


  std::vector<int> device_out(problem_size);
  std::vector<int> host_out(problem_size);

  auto transformation = [](auto x, auto y) {
    return x * y + y;
  };

  auto ret =
      std::transform(std::execution::par_unseq, data1.begin(), data1.end(),
                     data2.begin(), device_out.begin(), transformation);
  auto host_ret = std::transform(data1.begin(), data1.end(), data2.begin(),
                                 host_out.begin(), transformation);

  BOOST_CHECK(device_out == host_out);
  BOOST_CHECK(ret == device_out.begin() + problem_size);
}

BOOST_AUTO_TEST_CASE(par_unseq_binary_zero_size) {
  run_binary_transform_test(0);