Clean up RedistributeCPU

Src/Base/AMReX_PODVector.H

@@ -660,6 +660,20 @@ namespace amrex
             }
         }
 
+        void resize_geometric_grow (size_type a_new_size)
+        {
+            auto old_size = m_size;
+            if (m_capacity < a_new_size) {
+                size_type new_capacity = std::max(a_new_size, GetNewCapacityForPush());
+                reserve(new_capacity);
+            }
+            m_size = a_new_size;
+            if (old_size < a_new_size) {
+                detail::maybe_init_snan(m_data + old_size,
+                                        m_size - old_size, (Allocator const&)(*this));
+            }
+        }
+
         void reserve (size_type a_capacity)
         {
             if (m_capacity < a_capacity) {