Minor tidying

Include guards, header includes.

Author: bendudson

include/bout/petsc_operators.hxx

@@ -1,3 +1,8 @@
+#pragma once
+
+#ifndef BOUT_PETSC_OPERATORS_H
+#define BOUT_PETSC_OPERATORS_H
+
 #include "bout/build_defines.hxx"
 
 #if BOUT_HAS_PETSC
@@ -1055,4 +1060,6 @@ private:
 
 #warning PETSc not available. No PetscOperators.
 
-#endif
+#endif // BOUT_HAS_PETSC
+
+#endif //BOUT_PETSC_OPERATORS_H

tests/unit/mesh/test_petsc_operators.cxx

@@ -7,7 +7,6 @@
 #include "bout/array.hxx"
 #include "bout/bout_types.hxx"
 #include "bout/output.hxx"
-#include "bout/output_bout_types.hxx"
 #include "bout/petsc_operators.hxx"
 #include "bout/region.hxx"
 

tests/unit/mesh/test_petsc_operators_extract_evolving_submatrix.cxx

@@ -6,6 +6,7 @@
 
 #include "bout/array.hxx"
 #include "bout/bout_types.hxx"
+#include "bout/globals.hxx"
 #include "bout/petsc_operators.hxx"
 #include "bout/region.hxx"