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path: root/Source/Diagnostics/ReducedDiags/FieldEnergy.cpp
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-rw-r--r--Source/Diagnostics/ReducedDiags/FieldEnergy.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/Source/Diagnostics/ReducedDiags/FieldEnergy.cpp b/Source/Diagnostics/ReducedDiags/FieldEnergy.cpp
index 378a11989..d83669ce5 100644
--- a/Source/Diagnostics/ReducedDiags/FieldEnergy.cpp
+++ b/Source/Diagnostics/ReducedDiags/FieldEnergy.cpp
@@ -99,7 +99,9 @@ void FieldEnergy::ComputeDiags (int step)
// get cell size
Geometry const & geom = warpx.Geom(lev);
-#if (AMREX_SPACEDIM == 2)
+#if (AMREX_SPACEDIM == 1)
+ auto dV = geom.CellSize(0);
+#elif (AMREX_SPACEDIM == 2)
auto dV = geom.CellSize(0) * geom.CellSize(1);
#elif (AMREX_SPACEDIM == 3)
auto dV = geom.CellSize(0) * geom.CellSize(1) * geom.CellSize(2);