DOF_MAG_MAG1
dof->dofh_ident[DOF_ID_MAG1] = DOF_MAG_MAG1;
dof->dofh_ident[DOF_ID_MAG1] != DOF_MAG_MAG1 ||
hp->dofh_ident[DOF_ID_MAG1] = DOF_MAG_MAG1;