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-rw-r--r--Source/FieldSolver/SpectralSolver/SpectralFieldDataRZ.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/Source/FieldSolver/SpectralSolver/SpectralFieldDataRZ.cpp b/Source/FieldSolver/SpectralSolver/SpectralFieldDataRZ.cpp
index 4a66d924a..65d121cd3 100644
--- a/Source/FieldSolver/SpectralSolver/SpectralFieldDataRZ.cpp
+++ b/Source/FieldSolver/SpectralSolver/SpectralFieldDataRZ.cpp
@@ -376,6 +376,10 @@ SpectralFieldDataRZ::BackwardTransform (amrex::MultiFab& field_mf, int const fie
// A full multifab is created so that each GPU stream has its own temp space.
amrex::MultiFab tempHTransformedSplit(tempHTransformed.boxArray(), tempHTransformed.DistributionMap(), 2*n_rz_azimuthal_modes, 0);
+ // Create a temporary to hold the inverse Hankel transform field.
+ // This allows the final result to have a different shape than the transformed field.
+ amrex::MultiFab field_mf_copy(tempHTransformed.boxArray(), tempHTransformed.DistributionMap(), 2*n_rz_azimuthal_modes, 0);
+
// Loop over boxes.
for (amrex::MFIter mfi(field_mf); mfi.isValid(); ++mfi){
@@ -385,8 +389,9 @@ SpectralFieldDataRZ::BackwardTransform (amrex::MultiFab& field_mf, int const fie
// tempHTransformedSplit includes the imaginary component of mode 0.
// field_mf does not.
amrex::Box const& realspace_bx = tempHTransformed[mfi].box();
- amrex::FArrayBox field_comp(field_mf[mfi], amrex::make_alias, i_comp*ncomp, ncomp);
+ amrex::FArrayBox field_comp(field_mf_copy[mfi], amrex::make_alias, i_comp*ncomp, ncomp);
multi_spectral_hankel_transformer[mfi].SpectralToPhysical_Scalar(realspace_bx, tempHTransformedSplit[mfi], field_comp);
+ field_mf[mfi].copy(field_comp, 0, i_comp*ncomp, ncomp);
}
}