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//       Ifpack: Object-Oriented Algebraic Preconditioner Package
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#ifndef _ifp_parameters_h_
#define _ifp_parameters_h_

#include "Ifpack_config.h"

#include <Ifpack_ConfigDefs.h>

#include <Teuchos_map.hpp>
#include <Teuchos_ParameterList.hpp>
#include <Epetra_CombineMode.h>

namespace Ifpack {

//define enum values to which parameter names will be mapped.
enum parameter {
  //parameters of type double
  absolute_threshold,
  relative_threshold,
  drop_tolerance,
  fill_tolerance,
  relax_value,

  //parameters of type int
  //(if you add or remove int parameters, be sure to
  //update FIRST_INT_PARAM and LAST_INT_PARAM macros below, as
  //they are used below and in ifp_parameters.cpp)
  level_fill,
  level_overlap,
  num_steps,

  //mixed type parameters
  use_reciprocal,
  overlap_mode
};

#define FIRST_INT_PARAM Ifpack::level_fill
#define LAST_INT_PARAM Ifpack::num_steps

//define struct with union of all Ifpack parameters
struct param_struct {
  int int_params[LAST_INT_PARAM-FIRST_INT_PARAM+1];
  double double_params[FIRST_INT_PARAM];
  bool use_reciprocal;
  Epetra_CombineMode overlap_mode;
};

Teuchos::map<std::string,parameter>& key_map();

IFPACK_DEPRECATED void initialize_string_map();

std::string upper_case(const std::string& s);

IFPACK_DEPRECATED void set_parameters(const Teuchos::ParameterList& parameterlist,
                    param_struct& params,
                    bool cerr_warning_if_unused=false);

}//namespace Ifpack

#endif //_ifp_parameters_h_

