Refactor anonymous namespace for pybind11 bindings to avoid name clashes

Author: loumalouomega

applications/TrilinosApplication/custom_python/add_trilinos_space_to_python.cpp

@@ -56,6 +56,10 @@ std::string ErrorCleaner(std::string const& Input)
     return output;
 }
 
+namespace // Anonymous namespace: internal-linkage helpers for pybind11 bindings.
+{        // This avoids name clashes with identically-named helpers in other
+         // translation units that may be merged via unity builds.
+
 double Dot(TrilinosSparseSpaceType& dummy, TrilinosSparseSpaceType::VectorType& rX, TrilinosSparseSpaceType::VectorType& rY)
 {
     return dummy.Dot(rX, rY);
@@ -325,6 +329,8 @@ double GetValue(TrilinosSparseSpaceType& dummy, const TrilinosSparseSpaceType::V
     return TrilinosSparseSpaceType::GetValue(rX, I);
 }
 
+} // anonymous namespace
+
 void  AddBasicOperations(pybind11::module& m)
 {
     py::class_< Epetra_MpiComm > (m,"Epetra_MpiComm")