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path: root/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp
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-rw-r--r--Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp b/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp
index 0ca576da2..338cc31f9 100644
--- a/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp
+++ b/Source/FieldSolver/FiniteDifferenceSolver/EvolveB.cpp
@@ -63,7 +63,7 @@ void FiniteDifferenceSolver::EvolveBCartesian (
amrex::Real const dt ) {
// Loop through the grids, and over the tiles within each grid
-#ifdef _OPENMP
+#ifdef AMREX_USE_OMP
#pragma omp parallel if (amrex::Gpu::notInLaunchRegion())
#endif
for ( MFIter mfi(*Bfield[0], TilingIfNotGPU()); mfi.isValid(); ++mfi ) {
@@ -122,7 +122,7 @@ void FiniteDifferenceSolver::EvolveBCylindrical (
amrex::Real const dt ) {
// Loop through the grids, and over the tiles within each grid
-#ifdef _OPENMP
+#ifdef AMREX_USE_OMP
#pragma omp parallel if (amrex::Gpu::notInLaunchRegion())
#endif
for ( MFIter mfi(*Bfield[0], TilingIfNotGPU()); mfi.isValid(); ++mfi ) {