Add anonymous namespace

1 files changed, 34 insertions, 33 deletions

diff --git a/Source/FieldSolver/WarpXPushFieldsEM.cpp b/Source/FieldSolver/WarpXPushFieldsEM.cpp
index 95e3e78b3..475f7a1dd 100644
--- a/Source/FieldSolver/WarpXPushFieldsEM.cpp
+++ b/Source/FieldSolver/WarpXPushFieldsEM.cpp
@@ -18,6 +18,40 @@
 using namespace amrex;
 
 #ifdef WARPX_USE_PSATD
+namespace {
+    void
+    PushPSATDSinglePatch (
+        SpectralSolver& solver,
+        std::array<std::unique_ptr<amrex::MultiFab>,3>& Efield,
+        std::array<std::unique_ptr<amrex::MultiFab>,3>& Bfield,
+        std::array<std::unique_ptr<amrex::MultiFab>,3>& current,
+        std::unique_ptr<amrex::MultiFab>& rho ) {
+
+        using Idx = SpectralFieldIndex;
+
+        // Perform forward Fourier transform
+        solver.ForwardTransform(*Efield[0], Idx::Ex);
+        solver.ForwardTransform(*Efield[1], Idx::Ey);
+        solver.ForwardTransform(*Efield[2], Idx::Ez);
+        solver.ForwardTransform(*Bfield[0], Idx::Bx);
+        solver.ForwardTransform(*Bfield[1], Idx::By);
+        solver.ForwardTransform(*Bfield[2], Idx::Bz);
+        solver.ForwardTransform(*current[0], Idx::Jx);
+        solver.ForwardTransform(*current[1], Idx::Jy);
+        solver.ForwardTransform(*current[2], Idx::Jz);
+        solver.ForwardTransform(*rho, Idx::rho_old, 0);
+        solver.ForwardTransform(*rho, Idx::rho_new, 1);
+        // Advance fields in spectral space
+        solver.pushSpectralFields();
+        // Perform backward Fourier Transform
+        solver.BackwardTransform(*Efield[0], Idx::Ex);
+        solver.BackwardTransform(*Efield[1], Idx::Ey);
+        solver.BackwardTransform(*Efield[2], Idx::Ez);
+        solver.BackwardTransform(*Bfield[0], Idx::Bx);
+        solver.BackwardTransform(*Bfield[1], Idx::By);
+        solver.BackwardTransform(*Bfield[2], Idx::Bz);
+    }
+}
 
 void
 WarpX::PushPSATD (amrex::Real a_dt)
@@ -35,39 +69,6 @@ WarpX::PushPSATD (amrex::Real a_dt)
 }
 
 void
-PushPSATDSinglePatch (
-    SpectralSolver& solver,
-    std::array<std::unique_ptr<amrex::MultiFab>,3>& Efield,
-    std::array<std::unique_ptr<amrex::MultiFab>,3>& Bfield,
-    std::array<std::unique_ptr<amrex::MultiFab>,3>& current,
-    std::unique_ptr<amrex::MultiFab>& rho ) {
-
-    using Idx = SpectralFieldIndex;
-
-    // Perform forward Fourier transform
-    solver.ForwardTransform(*Efield[0], Idx::Ex);
-    solver.ForwardTransform(*Efield[1], Idx::Ey);
-    solver.ForwardTransform(*Efield[2], Idx::Ez);
-    solver.ForwardTransform(*Bfield[0], Idx::Bx);
-    solver.ForwardTransform(*Bfield[1], Idx::By);
-    solver.ForwardTransform(*Bfield[2], Idx::Bz);
-    solver.ForwardTransform(*current[0], Idx::Jx);
-    solver.ForwardTransform(*current[1], Idx::Jy);
-    solver.ForwardTransform(*current[2], Idx::Jz);
-    solver.ForwardTransform(*rho, Idx::rho_old, 0);
-    solver.ForwardTransform(*rho, Idx::rho_new, 1);
-    // Advance fields in spectral space
-    solver.pushSpectralFields();
-    // Perform backward Fourier Transform
-    solver.BackwardTransform(*Efield[0], Idx::Ex);
-    solver.BackwardTransform(*Efield[1], Idx::Ey);
-    solver.BackwardTransform(*Efield[2], Idx::Ez);
-    solver.BackwardTransform(*Bfield[0], Idx::Bx);
-    solver.BackwardTransform(*Bfield[1], Idx::By);
-    solver.BackwardTransform(*Bfield[2], Idx::Bz);
-}
-
-void
 WarpX::PushPSATD_localFFT (int lev, amrex::Real /* dt */)
 {
     // Update the fields on the fine and coarse patch