I‘m compiling a source code written by others. And this error occurred. I
know it's because of the version of dealii. And I just want to know what
this error really mean and how can I solve such kind of error. Because now
I just want to be confirmed that the code work well so I don't want to go
deep into the code (It's too time consuming to learn in detail how
everything is going inside the code for me now)
/home/dyfluid/DG/dflo/src/claw.cc: In member function ‘const
dealii::Mapping<dim>& ConservationLaw<dim>::mapping() const’:
/home/dyfluid/DG/dflo/src/claw.cc:175:26: error: wrong number of template
arguments (1, should be 2)
static MappingQ<dim> m(2);
^
In file included from
/home/dyfluid/dealii_lib/deal.II-v8.5.1/include/deal.II/fe/mapping_q1.h:21:0,
from /home/dyfluid/DG/dflo/src/claw.cc:26:
/home/dyfluid/dealii_lib/deal.II-v8.5.1/include/deal.II/fe/mapping_q_generic.h:34:26:
note: provided for ‘template<int <anonymous>, int <anonymous> > class
dealii::MappingQ’
template <int,int> class MappingQ;
^
/home/dyfluid/DG/dflo/src/claw.cc: In instantiation of
‘ConservationLaw<dim>::ConservationLaw(const char*, unsigned int, const
dealii::FE_DGQArbitraryNodes<dim>&) [with int dim = 2]’:
/home/dyfluid/DG/dflo/src/claw.cc:1132:16: required from here
/home/dyfluid/DG/dflo/src/claw.cc:72:59: warning: unused parameter ‘degree’
[-Wunused-parameter]
const unsigned int degree,
^
/home/dyfluid/DG/dflo/src/claw.cc: In instantiation of ‘void
ConservationLaw<dim>::run() [with int dim = 2]’:
/home/dyfluid/DG/dflo/src/claw.cc:1132:16: required from here
/home/dyfluid/DG/dflo/src/claw.cc:1043:20: warning: unused variable
‘nonlin_iter’ [-Wunused-variable]
unsigned int nonlin_iter = 0;
^
/home/dyfluid/DG/dflo/src/claw.cc: In instantiation of ‘void
ConservationLaw<dim>::read_parameters(const char*) [with int dim = 2]’:
/home/dyfluid/DG/dflo/src/claw.cc:1132:16: required from here
/home/dyfluid/DG/dflo/src/claw.cc:132:19: warning: ‘virtual bool
dealii::ParameterHandler::read_input(const string&, bool, bool, const
string&)’ is deprecated [-Wdeprecated-declarations]
prm.read_input (input_filename);
^
In file included from /home/dyfluid/DG/dflo/src/claw.cc:3:0:
/home/dyfluid/dealii_lib/deal.II-v8.5.1/include/deal.II/base/parameter_handler.h:1685:16:
note: declared here
virtual bool read_input (const std::string &filename,
^
/home/dyfluid/DG/dflo/src/claw.cc: In instantiation of ‘const
dealii::Mapping<dim>& ConservationLaw<dim>::mapping() const [with int dim =
2]’:
/home/dyfluid/DG/dflo/src/claw.cc:1132:16: required from here
/home/dyfluid/DG/dflo/src/claw.cc:176:14: error: invalid initialization of
reference of type ‘const dealii::Mapping<2, 2>&’ from expression of type
‘int’
return m;
^
/home/dyfluid/DG/dflo/src/claw.cc: In instantiation of ‘void
ConservationLaw<dim>::setup_system() [with int dim = 2]’:
/home/dyfluid/DG/dflo/src/claw.cc:1132:16: required from here
/home/dyfluid/DG/dflo/src/claw.cc:344:17: warning: unused variable ‘EPS’
[-Wunused-variable]
const double EPS = 1.0e-10;
^
CMakeFiles/dflo.dir/build.make:206: recipe for target
'CMakeFiles/dflo.dir/claw.cc.o' failed
make[2]: *** [CMakeFiles/dflo.dir/claw.cc.o] Error 1
CMakeFiles/Makefile2:195: recipe for target 'CMakeFiles/dflo.dir/all' failed
make[1]: *** [CMakeFiles/dflo.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2
--
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