/usr/include/trilinos/Teko_ReorderedLinearOp.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 | /*
// @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_ReorderedLinearOp_hpp__
#define __Teko_ReorderedLinearOp_hpp__
#include "Teko_Utilities.hpp"
#include "Teko_ImplicitLinearOp.hpp"
#include "Teko_BlockedReordering.hpp"
namespace Teko {
/** \brief This class takes a blocked linear op and represents it
* in a flattened form.
*/
class ReorderedLinearOp : public ImplicitLinearOp {
public:
ReorderedLinearOp(const Teuchos::RCP<const BlockReorderManager> & mgr,
const Teuchos::RCP<Thyra::LinearOpBase<double> > & blockedOp);
//! Get accessor to make reuse easier
Teuchos::RCP<const BlockReorderManager> getReorderManager() const
{ return mgr_; }
//! Get accessor to make reuse easier
Teko::ModifiableLinearOp getBlockedOp() const
{ return blockedOp_; }
/** @brief Range space of this operator */
virtual VectorSpace range() const;
/** @brief Domain space of this operator */
virtual VectorSpace domain() const;
/** @brief Perform a matrix vector multiply with this implicitly
* defined blocked operator.
*
* The <code>apply</code> function takes one vector as input
* and applies a linear operator. The result
* is returned in \f$y\f$. If this operator is reprsented as \f$M\f$ then
* \f$ y = \alpha M x + \beta y \f$
*
* @param[in] x
* @param[in,out] y
* @param[in] alpha (default=1)
* @param[in] beta (default=0)
*/
virtual void implicitApply(const MultiVector & x, MultiVector & y,
const double alpha = 1.0, const double beta = 0.0) const;
private:
VectorSpace range_;
VectorSpace domain_;
Teuchos::RCP<const BlockReorderManager> mgr_;
Teuchos::RCP<Thyra::LinearOpBase<double> > blockedOp_;
};
} // end namespace Teko
#endif
|