AnasaziTypes.hpp

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// @HEADER
// *****************************************************************************
//                 Anasazi: Block Eigensolvers Package
//
// Copyright 2004 NTESS and the Anasazi contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef ANASAZI_TYPES_HPP
#define ANASAZI_TYPES_HPP

#include "AnasaziConfigDefs.hpp"
#include "Teuchos_RCP.hpp"
#include "Teuchos_ScalarTraits.hpp"

namespace Anasazi {

typedef Teuchos_Ordinal Array_size_type;



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




  template <class ScalarType>
  struct Value {
    typename Teuchos::ScalarTraits<ScalarType>::magnitudeType realpart; 
    typename Teuchos::ScalarTraits<ScalarType>::magnitudeType imagpart;
    void set(const typename Teuchos::ScalarTraits<ScalarType>::magnitudeType &rp, const typename Teuchos::ScalarTraits<ScalarType>::magnitudeType &ip){
      realpart=rp;imagpart=ip;
    }
    Value<ScalarType> &operator=(const Value<ScalarType> &rhs) {
      realpart=rhs.realpart;imagpart=rhs.imagpart;
      return *this;
    }
  };

  template <class ScalarType, class MV>
  struct Eigensolution {
    Teuchos::RCP<MV> Evecs;
    Teuchos::RCP<MV> Espace;
    std::vector<Value<ScalarType> >  Evals;
    std::vector<int>         index;
    int numVecs;
    
    Eigensolution() : Evecs(),Espace(),Evals(0),index(0),numVecs(0) {}
  };




  enum ReturnType 
  {
    Converged,       
    Unconverged      
  };


  enum ConjType 
  {
    NO_CONJ,      
    CONJ          
  };


  enum TestStatus
  {
    Passed    = 0x1,    
    Failed    = 0x2,    
    Undefined = 0x4     
  };

  enum ResType {
    RES_ORTH,
    RES_2NORM,
    RITZRES_2NORM
  };


  enum MsgType 
  {
    Errors = 0,                 
    Warnings = 0x1,             
    IterationDetails = 0x2,     
    OrthoDetails = 0x4,         
    FinalSummary = 0x8,         
    TimingDetails = 0x10,       
    StatusTestDetails = 0x20,   
    Debug = 0x40                
  };


} // end of namespace Anasazi
#endif
// end of file AnasaziTypes.hpp