BelosTypes.hpp

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// ***********************************************************************
//
//                 Belos: Block Linear Solvers Package
//                 Copyright (2004) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
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// This library is distributed in the hope that it will be useful, but
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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#ifndef BELOS_TYPES_HPP
#define BELOS_TYPES_HPP

#include "BelosConfigDefs.hpp"
#include "Teuchos_TestForException.hpp"

namespace Belos {
 


  class BelosError: public std::logic_error {
    public: BelosError(const std::string& what_arg) : std::logic_error(what_arg) {}
  };


 
  enum ETrans     { NOTRANS = 0,  
      TRANS = 1,    
      CONJTRANS = 2 
  };
  
  enum NormType {   OneNorm,       
        TwoNorm,       
        InfNorm        
  };
  
  enum ScaleType {NormOfRHS,     
                  NormOfInitRes, 
                  NormOfPrecInitRes, 
                  None,          
                  UserProvided   
  };
 

  enum ReturnType  {    Converged,     
                        Unconverged    
  };
  
  enum StatusType {   Passed = 0x1,      
                        Failed = 0x2,      
      Undefined = 0x4    
  };

  enum ResetType  {     Problem = 0x1,           
                        RecycleSubspace = 0x2    
  };

  inline
  const char* toString(const StatusType status)
  {
    switch(status) {
      case Passed:
        return "Passed";
      case Failed:
        return "Failed";
      case Undefined:
        return "Undefined";
      default:
        TEST_FOR_EXCEPT(true);
    }
    return NULL; // Should never be called!
  }
  
  enum ConjType {
    NO_CONJ,      
    CONJ          
  };
  
  enum MsgType 
    {
      Errors= 0,                  
      Warnings = 0x1,             
      IterationDetails = 0x2,     
      OrthoDetails = 0x4,         
      FinalSummary = 0x8,         
      TimingDetails = 0x10,       
      StatusTestDetails = 0x20,   
      Debug = 0x40                
    };

} // end Belos namespace

#endif /* BELOS_TYPES_HPP */

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