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Do Not Fill PML Guard Cells w/ Inverse FFTs #2854

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Feb 17, 2022
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Do Not Fill PML Guard Cells w/ Inverse FFTs #2854

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6 changes: 4 additions & 2 deletions Source/BoundaryConditions/PML.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -727,6 +727,7 @@ PML::PML (const int lev, const BoxArray& grid_ba, const DistributionMapping& gri
"PML: PSATD solver selected but not built.");
#else
// Flags passed to the spectral solver constructor
const amrex::IntVect fill_guards = amrex::IntVect(0);
const bool in_pml = true;
const bool periodic_single_box = false;
const bool update_with_rho = false;
Expand All @@ -738,7 +739,7 @@ PML::PML (const int lev, const BoxArray& grid_ba, const DistributionMapping& gri
amrex::Vector<amrex::Real> const v_comoving_zero = {0., 0., 0.};
realspace_ba.enclosedCells().grow(nge); // cell-centered + guard cells
spectral_solver_fp = std::make_unique<SpectralSolver>(lev, realspace_ba, dm,
nox_fft, noy_fft, noz_fft, do_nodal, WarpX::fill_guards, v_galilean_zero,
nox_fft, noy_fft, noz_fft, do_nodal, fill_guards, v_galilean_zero,
v_comoving_zero, dx, dt, in_pml, periodic_single_box, update_with_rho,
fft_do_time_averaging, do_multi_J, m_dive_cleaning, m_divb_cleaning);
#endif
Expand Down Expand Up @@ -846,6 +847,7 @@ PML::PML (const int lev, const BoxArray& grid_ba, const DistributionMapping& gri
"PML: PSATD solver selected but not built.");
#else
// Flags passed to the spectral solver constructor
const amrex::IntVect fill_guards = amrex::IntVect(0);
const bool in_pml = true;
const bool periodic_single_box = false;
const bool update_with_rho = false;
Expand All @@ -857,7 +859,7 @@ PML::PML (const int lev, const BoxArray& grid_ba, const DistributionMapping& gri
amrex::Vector<amrex::Real> const v_comoving_zero = {0., 0., 0.};
realspace_cba.enclosedCells().grow(nge); // cell-centered + guard cells
spectral_solver_cp = std::make_unique<SpectralSolver>(lev, realspace_cba, cdm,
nox_fft, noy_fft, noz_fft, do_nodal, WarpX::fill_guards, v_galilean_zero,
nox_fft, noy_fft, noz_fft, do_nodal, fill_guards, v_galilean_zero,
v_comoving_zero, cdx, dt, in_pml, periodic_single_box, update_with_rho,
fft_do_time_averaging, do_multi_J, m_dive_cleaning, m_divb_cleaning);
#endif
Expand Down