Cleanup and add MPI-IO starting point

BasicSolver/3D-mpi-io/src/timing.h

@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2022 NHR@FAU, University Erlangen-Nuremberg.
+ * All rights reserved.
+ * Use of this source code is governed by a MIT-style
+ * license that can be found in the LICENSE file.
+ */
+#ifndef __TIMING_H_
+#define __TIMING_H_
+
+extern double getTimeStamp();
+extern double getTimeResolution();
+extern double getTimeStamp_();
+
+#endif // __TIMING_H_