/usr/include/trilinos/AnasaziStatusTest.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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// ***********************************************************************
//
// Anasazi: Block Eigensolvers 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
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// 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
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER
//
#ifndef ANASAZI_STATUS_TEST_HPP
#define ANASAZI_STATUS_TEST_HPP
/*!
\file AnasaziStatusTest.hpp
\brief Pure virtual base class for defining the status testing capabilities of Anasazi.
*/
#include "AnasaziConfigDefs.hpp"
#include "AnasaziTypes.hpp"
#include "AnasaziStatusTestDecl.hpp"
#include "AnasaziEigensolverDecl.hpp"
namespace Anasazi {
//! @name StatusTest Exceptions
//@{
/** \brief Exception thrown to signal error in a status test during Anasazi::StatusTest::checkStatus().
*/
class StatusTestError : public AnasaziError
{public: StatusTestError(const std::string& what_arg) : AnasaziError(what_arg) {}};
//@}
template <class ScalarType, class MV, class OP>
class StatusTest {
public:
//! @name Constructors/destructors
//@{
//! Constructor
StatusTest() {};
//! Destructor
virtual ~StatusTest() {};
//@}
//! @name Status methods
//@{
/*! Check status as defined by test.
\return TestStatus indicating whether the test passed or failed.
*/
virtual TestStatus checkStatus( Eigensolver<ScalarType,MV,OP>* solver ) = 0;
//! Return the result of the most recent checkStatus call, or undefined if it has not been run.
virtual TestStatus getStatus() const = 0;
//! Get the indices for the vectors that passed the test.
virtual std::vector<int> whichVecs() const = 0;
//! Get the number of vectors that passed the test.
virtual int howMany() const = 0;
//@}
//! @name Reset methods
//@{
//! Informs the status test that it should reset its internal configuration to the uninitialized state.
/*! This is necessary for the case when the status test is being reused by another solver or for another
eigenvalue problem. The status test may have information that pertains to a particular problem or solver
state. The internal information will be reset back to the uninitialized state. The user specified information
that the convergence test uses will remain.
*/
virtual void reset() = 0;
//! Clears the results of the last status test.
/*! This should be distinguished from the reset() method, as it only clears the cached result from the last
* status test, so that a call to getStatus() will return ::Undefined. This is necessary for the SEQOR and SEQAND
* tests in the StatusTestCombo class, which may short circuit and not evaluate all of the StatusTests contained
* in them.
*/
virtual void clearStatus() = 0;
//@}
//! @name Print methods
//@{
//! Output formatted description of stopping test to output stream.
virtual std::ostream& print(std::ostream& os, int indent = 0) const = 0;
//@}
};
} // end of Anasazi namespace
#endif /* ANASAZI_STATUS_TEST_HPP */
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