Method Copy

src/common/host_device_vector.cc:129–132

template <typename T>
void HostDeviceVector<T>::Copy(const HostDeviceVector<T>& other) {
  CHECK_EQ(Size(), other.Size());
  std::copy(other.HostVector().begin(), other.HostVector().end(), HostVector().begin());
}

template <typename T>
void HostDeviceVector<T>::Copy(const std::vector<T>& other) {