Add __host__ directives where needed

Author: franzpoeschel

src/auxiliary/UniquePtr.cpp

@@ -65,6 +65,9 @@ namespace auxiliary
 } // namespace auxiliary
 
 template <typename T>
+#ifdef __HIPCC__
+__host__
+#endif
 UniquePtrWithLambda<T>::UniquePtrWithLambda() = default;
 
 template <typename T>

src/backend/BaseRecord.cpp

@@ -56,6 +56,9 @@ namespace internal
         typename T_BaseRecord_,
         typename T_BaseRecordData_,
         typename T_BaseIterator>
+#ifdef __HIPCC__
+    __host__
+#endif
     ScalarIterator<T_BaseRecord_, T_BaseRecordData_, T_BaseIterator>::
         ScalarIterator() = default;
 

src/snapshots/RandomAccessIterator.cpp

@@ -10,9 +10,15 @@ template <typename iterator_t>
 RandomAccessIterator<iterator_t>::~RandomAccessIterator() = default;
 
 template <typename iterator_t>
+#ifdef __HIPCC__
+__host__
+#endif
 RandomAccessIterator<iterator_t>::RandomAccessIterator(
     RandomAccessIterator const &other) = default;
 template <typename iterator_t>
+#ifdef __HIPCC__
+__host__
+#endif
 RandomAccessIterator<iterator_t>::RandomAccessIterator(
     RandomAccessIterator
         &&other) noexcept(noexcept(iterator_t(std::declval<iterator_t &&>()))) =