Xpetra_Exceptions.hpp

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//             Xpetra: A linear algebra interface package
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#ifndef XPETRA_EXCEPTIONS_HPP
#define XPETRA_EXCEPTIONS_HPP

#include <exception>
#include <Teuchos_Exceptions.hpp>
#include <Teuchos_Assert.hpp>

#include "Xpetra_ConfigDefs.hpp"

// Dynamically cast 'obj' to 'type newObj'. newObj is declared inside of the macro.
// If the dynamic cast failed, throw an exception of type Xpetra::Exception::Bad_Cast (using the message exceptionMsg).
#define XPETRA_DYNAMIC_CAST(type, obj, newObj, exceptionMsg)            \
  type * newObj ## _pt = dynamic_cast<type *>(&obj);                    \
  TEUCHOS_TEST_FOR_EXCEPTION(newObj ## _pt == NULL, Xpetra::Exceptions::BadCast, "Cannot cast '" #obj "' to a " #type ". " #exceptionMsg); \
  type & newObj = *newObj ## _pt;

// Dynamically cast the RCP 'obj' to 'RCP<type> newObj'. newObj is declared inside of the macro.
// If the dynamic cast failed, throw an exception of type Xpetra::Exception::Bad_Cast (using the message exceptionMsg).
#define XPETRA_RCP_DYNAMIC_CAST(type, obj, newObj, exceptionMsg)        \
  const RCP<type > & newObj = Teuchos::rcp_dynamic_cast<type >(obj);    \
  TEUCHOS_TEST_FOR_EXCEPTION(newObj == Teuchos::null, Xpetra::Exceptions::BadCast, "Cannot cast '" #obj "' to a " #type ". " #exceptionMsg);

#ifdef HAVE_XPETRA_EPETRA
#define XPETRA_FACTORY_ERROR_IF_EPETRA(lib)                            \
  if ((lib) == ::Xpetra::UseEpetra)                                     \
    TEUCHOS_TEST_FOR_EXCEPTION(1, ::Xpetra::Exceptions::BadCast, "Epetra can only be used with Scalar=double and Ordinal=int");
#else
#define XPETRA_FACTORY_ERROR_IF_EPETRA(lib)
#endif

#define XPETRA_FACTORY_END TEUCHOS_TEST_FOR_EXCEPTION(1, ::Xpetra::Exceptions::BadCast, "Unknown map->lib() type. Did you compile with Epetra and Tpetra support?");

namespace Xpetra {
  namespace Exceptions {


    class BadCast : public Teuchos::ExceptionBase
    {
    public:
      BadCast(const std::string& what_arg) : Teuchos::ExceptionBase(what_arg) {}
    };


    class NotImplemented : public Teuchos::ExceptionBase
    {
    public:
      NotImplemented(const std::string& what_arg) : Teuchos::ExceptionBase(what_arg) {}
    };

    class RuntimeError : public Teuchos::ExceptionBase
    {
    public:
      RuntimeError(const std::string& what_arg) : Teuchos::ExceptionBase(what_arg) {}
    };

  }
}

#endif