AnasaziStatusTestMaxIters.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_STATUS_TEST_MAXITER_HPP
#define ANASAZI_STATUS_TEST_MAXITER_HPP

#include "AnasaziStatusTest.hpp"


namespace Anasazi {


template <class ScalarType, class MV, class OP>
class StatusTestMaxIters : public StatusTest<ScalarType,MV,OP> {

 public:


  StatusTestMaxIters(int maxIter, bool negate = false) : state_(Undefined), negate_(negate) {
    setMaxIters(maxIter);
  };

  virtual ~StatusTestMaxIters() {};



  TestStatus checkStatus( Eigensolver<ScalarType,MV,OP>* solver ) {
    state_ = (solver->getNumIters() >= maxIters_) ? Passed : Failed;
    if (negate_) {
      if (state_ == Passed) state_ = Failed;
      else state_ = Passed;
    }
    return state_;
  }

  TestStatus getStatus() const {
    return state_;
  }

  std::vector<int> whichVecs() const {
    return std::vector<int>(0);
  }

  int howMany() const {
    return 0;
  }




  void setMaxIters(int maxIters) {
    state_ = Undefined;
    maxIters_ = maxIters;
  }

  int getMaxIters() {return maxIters_;}

  void setNegate(bool negate) {
    state_ = Undefined;
    negate_ = negate;
  }

  bool getNegate() const {
    return negate_;
  }




  void reset() {
    state_ = Undefined;
  }


  void clearStatus() {
    state_ = Undefined;
  }



  
  std::ostream& print(std::ostream& os, int indent = 0) const {
    std::string ind(indent,' ');
    os << ind << "- StatusTestMaxIters: ";
    switch (state_) {
    case Passed:
      os << "Passed" << std::endl;
      break;
    case Failed:
      os << "Failed" << std::endl;
      break;
    case Undefined:
      os << "Undefined" << std::endl;
      break;
    }
    os << ind << "  MaxIters: " << maxIters_ << std::endl;
    return os;
  }
 
  private:
  int maxIters_;
  TestStatus state_;
  bool negate_;

};

} // end of Anasazi namespace

#endif /* ANASAZI_STATUS_TEST_MAXITER_HPP */