1 files changed, 11 insertions, 4 deletions
diff --git a/Source/FieldSolver/SpectralSolver/SpectralFieldData.H b/Source/FieldSolver/SpectralSolver/SpectralFieldData.H
index b445054cc..f48272744 100644
--- a/Source/FieldSolver/SpectralSolver/SpectralFieldData.H
+++ b/Source/FieldSolver/SpectralSolver/SpectralFieldData.H
@@ -55,10 +55,17 @@ class SpectralFieldData
         SpectralFieldData() = default; // Default constructor
         SpectralFieldData& operator=(SpectralFieldData&& field_data) = default;
         ~SpectralFieldData();
-        void ForwardTransform( const amrex::MultiFab& mf,
-                               const int field_index, const int i_comp);
-        void BackwardTransform( amrex::MultiFab& mf,
-                               const int field_index, const int i_comp);
+
+        void ForwardTransform (const amrex::MultiFab& mf, const int field_index,
+                               const int i_comp, const amrex::IntVect& stag);
+        AMREX_FORCE_INLINE
+        void ForwardTransform (const amrex::MultiFab& mf, const int field_index, const int i_comp)
+        {
+            ForwardTransform(mf, field_index, i_comp, mf.ixType().toIntVect());
+        }
+
+        void BackwardTransform (amrex::MultiFab& mf, const int field_index, const int i_comp);
+
         // `fields` stores fields in spectral space, as multicomponent FabArray
         SpectralField fields;