aboutsummaryrefslogtreecommitdiff
path: root/Source/FieldSolver/SpectralSolver/SpectralFieldData_fwd.H
diff options
context:
space:
mode:
Diffstat (limited to 'Source/FieldSolver/SpectralSolver/SpectralFieldData_fwd.H')
-rw-r--r--Source/FieldSolver/SpectralSolver/SpectralFieldData_fwd.H7
1 files changed, 6 insertions, 1 deletions
diff --git a/Source/FieldSolver/SpectralSolver/SpectralFieldData_fwd.H b/Source/FieldSolver/SpectralSolver/SpectralFieldData_fwd.H
index d01cc0a83..d9f923c80 100644
--- a/Source/FieldSolver/SpectralSolver/SpectralFieldData_fwd.H
+++ b/Source/FieldSolver/SpectralSolver/SpectralFieldData_fwd.H
@@ -1,9 +1,14 @@
-/* Copyright 2021 Luca Fedeli
+/* Copyright 2021 Luca Fedeli, Axel Huebl
*
* This file is part of WarpX.
*
* License: BSD-3-Clause-LBNL
*/
+#ifndef WARPX_SPECTRALFIELDDATA_FWD_H
+#define WARPX_SPECTRALFIELDDATA_FWD_H
+
class SpectralFieldIndex;
class SpectralFieldData;
+
+#endif /* WARPX_SPECTRALFIELDDATA_FWD_H */