/usr/include/trilinos/Teko_Preconditioner.hpp is in libtrilinos-teko-dev 12.4.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | /*
// @HEADER
//
// ***********************************************************************
//
// Teko: A package for block and physics based preconditioning
// Copyright 2010 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Eric C. Cyr (eccyr@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
*/
#ifndef __Teko_Preconditioner_hpp__
#define __Teko_Preconditioner_hpp__
// Thyra includes
#include "Thyra_DefaultPreconditioner.hpp"
// Teko includes
#include "Teko_Utilities.hpp"
#include "Teko_PreconditionerState.hpp"
namespace Teko {
using Thyra::LinearOpBase;
using Thyra::DefaultPreconditioner;
using Teuchos::RCP;
/** \brief An extension of the <code>Thyra::DefaultPreconditioner</code>
* class with some specializations useful for use within Teko.
*
* An extension of the <code>Thyra::DefaultPreconditioner</code>
* class with some specializations useful for use within Teko. This includes
* having facilities to store the source vector and the state object.
*/
class Preconditioner : public DefaultPreconditioner<double> {
public:
//! \name Constructors based from Thyra::DefaultPreconditioner
//@{
Preconditioner()
: DefaultPreconditioner<double>() {}
Preconditioner(const RCP<LinearOpBase<double> > & leftPrecOp,
const RCP<LinearOpBase<double> > & rightPrecOp)
: DefaultPreconditioner<double>(leftPrecOp,rightPrecOp) {}
Preconditioner(const RCP<const LinearOpBase<double> > & leftPrecOp,
const RCP<const LinearOpBase<double> > & rightPrecOp)
: DefaultPreconditioner<double>(leftPrecOp,rightPrecOp) {}
Preconditioner(const RCP<LinearOpBase<double> > & unspecifiedPrecOp)
: DefaultPreconditioner<double>(unspecifiedPrecOp) {}
Preconditioner(const RCP<const LinearOpBase<double> > & unspecifiedPrecOp)
: DefaultPreconditioner<double>(unspecifiedPrecOp) {}
//@}
/** Set the vector associated with this operator (think nonlinear system)
*
* \param[in] srcVec The source vector associated with this preconditioner.
*/
virtual void setSourceVector(const RCP<Thyra::MultiVectorBase<double> > & srcVec)
{ if(srcVec!=Teuchos::null) state_->setSourceVector(srcVec);
else state_->setSourceVector(Teuchos::null); }
/** Set the state object associated with this preconditioner
*
* \param[in] state The state object to use
*/
virtual void setStateObject(const RCP<PreconditionerState> & state)
{ state_ = state; }
/** Get the state object associated with this preconditioner
*
* \returns The state object used by this preconditioner
*/
virtual const RCP<PreconditionerState> getStateObject()
{ return state_; }
/** Get the state object associated with this preconditioner
*
* \returns The state object used by this preconditioner
*/
virtual const RCP<const PreconditionerState> getStateObject() const
{ return state_; }
/** Merge a state object into the one used by this Preconditioner
* (Merge in this case is the same as that used by PreconditionerState::merge).
*
* \param[in] state A state object to merge into the internal state object.
*/
virtual void mergeStateObject(const PreconditionerState & state)
{ state_->merge(state); }
protected:
//! User defined state for this preconditioner
RCP<PreconditionerState> state_;
};
} // end namespace Teko
#endif
|