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AnasaziStatusTestMaxIters.hpp
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42 
43 #ifndef ANASAZI_STATUS_TEST_MAXITER_HPP
44 #define ANASAZI_STATUS_TEST_MAXITER_HPP
45 
52 #include "AnasaziStatusTest.hpp"
53 
54 
73 namespace Anasazi {
74 
75 
76 template <class ScalarType, class MV, class OP>
77 class StatusTestMaxIters : public StatusTest<ScalarType,MV,OP> {
78 
79  public:
81 
82 
84  StatusTestMaxIters(int maxIter, bool negate = false) : state_(Undefined), negate_(negate) {
85  setMaxIters(maxIter);
86  };
87 
89  virtual ~StatusTestMaxIters() {};
91 
93 
94 
99  state_ = (solver->getNumIters() >= maxIters_) ? Passed : Failed;
100  if (negate_) {
101  if (state_ == Passed) state_ = Failed;
102  else state_ = Passed;
103  }
104  return state_;
105  }
106 
109  return state_;
110  }
111 
113  std::vector<int> whichVecs() const {
114  return std::vector<int>(0);
115  }
116 
118  int howMany() const {
119  return 0;
120  }
121 
123 
125 
126 
130  void setMaxIters(int maxIters) {
131  state_ = Undefined;
132  maxIters_ = maxIters;
133  }
134 
136  int getMaxIters() {return maxIters_;}
137 
141  void setNegate(bool negate) {
142  state_ = Undefined;
143  negate_ = negate;
144  }
145 
147  bool getNegate() const {
148  return negate_;
149  }
150 
152 
154 
155 
161  void reset() {
162  state_ = Undefined;
163  }
164 
166 
171  void clearStatus() {
172  state_ = Undefined;
173  }
174 
176 
178 
179 
181  std::ostream& print(std::ostream& os, int indent = 0) const {
182  std::string ind(indent,' ');
183  os << ind << "- StatusTestMaxIters: ";
184  switch (state_) {
185  case Passed:
186  os << "Passed" << std::endl;
187  break;
188  case Failed:
189  os << "Failed" << std::endl;
190  break;
191  case Undefined:
192  os << "Undefined" << std::endl;
193  break;
194  }
195  os << ind << " MaxIters: " << maxIters_ << std::endl;
196  return os;
197  }
198 
200  private:
201  int maxIters_;
202  TestStatus state_;
203  bool negate_;
204 
205 };
206 
207 } // end of Anasazi namespace
208 
209 #endif /* ANASAZI_STATUS_TEST_MAXITER_HPP */
Anasazi::Passed
Definition: AnasaziTypes.hpp:143
Anasazi::StatusTestMaxIters::howMany
int howMany() const
Get the number of vectors that passed the test.
Definition: AnasaziStatusTestMaxIters.hpp:118
Anasazi::StatusTestMaxIters::print
std::ostream & print(std::ostream &os, int indent=0) const
Output formatted description of stopping test to output stream.
Definition: AnasaziStatusTestMaxIters.hpp:181
Anasazi::StatusTestMaxIters
A status test for testing the number of iterations.
Definition: AnasaziStatusTestMaxIters.hpp:77
Anasazi::StatusTestMaxIters::getMaxIters
int getMaxIters()
Get the maximum number of iterations.
Definition: AnasaziStatusTestMaxIters.hpp:136
Anasazi::StatusTestMaxIters::clearStatus
void clearStatus()
Clears the results of the last status test.
Definition: AnasaziStatusTestMaxIters.hpp:171
Anasazi::StatusTestMaxIters::StatusTestMaxIters
StatusTestMaxIters(int maxIter, bool negate=false)
Constructor.
Definition: AnasaziStatusTestMaxIters.hpp:84
Anasazi::Failed
Definition: AnasaziTypes.hpp:144
Anasazi::TestStatus
TestStatus
Enumerated type used to pass back information from a StatusTest.
Definition: AnasaziTypes.hpp:141
Anasazi::StatusTestMaxIters::setNegate
void setNegate(bool negate)
Set the negation policy for the status test.
Definition: AnasaziStatusTestMaxIters.hpp:141
Anasazi::StatusTestMaxIters::whichVecs
std::vector< int > whichVecs() const
Get the indices for the vectors that passed the test.
Definition: AnasaziStatusTestMaxIters.hpp:113
Anasazi::StatusTestMaxIters::reset
void reset()
Informs the status test that it should reset its internal configuration to the uninitialized state.
Definition: AnasaziStatusTestMaxIters.hpp:161
Anasazi::StatusTestMaxIters::getStatus
TestStatus getStatus() const
Return the result of the most recent checkStatus call.
Definition: AnasaziStatusTestMaxIters.hpp:108
Anasazi::Eigensolver
The Eigensolver is a templated virtual base class that defines the basic interface that any eigensolv...
Definition: AnasaziEigensolver.hpp:67
Anasazi::StatusTestMaxIters::setMaxIters
void setMaxIters(int maxIters)
Set the maximum number of iterations.
Definition: AnasaziStatusTestMaxIters.hpp:130
Anasazi::StatusTestMaxIters::getNegate
bool getNegate() const
Get the negation policy for the status test.
Definition: AnasaziStatusTestMaxIters.hpp:147
AnasaziStatusTest.hpp
Declaration and definition of Anasazi::StatusTest.
Anasazi::StatusTestMaxIters::~StatusTestMaxIters
virtual ~StatusTestMaxIters()
Destructor.
Definition: AnasaziStatusTestMaxIters.hpp:89
Anasazi
Namespace Anasazi contains the classes, structs, enums and utilities used by the Anasazi package.
Anasazi::Eigensolver::getNumIters
virtual int getNumIters() const =0
Get the current iteration count.
Anasazi::StatusTest
Common interface of stopping criteria for Anasazi's solvers.
Definition: AnasaziStatusTest.hpp:75
Anasazi::Undefined
Definition: AnasaziTypes.hpp:145
Anasazi::StatusTestMaxIters::checkStatus
TestStatus checkStatus(Eigensolver< ScalarType, MV, OP > *solver)
Check status as defined by test.
Definition: AnasaziStatusTestMaxIters.hpp:98