/usr/include/trilinos/EpetraExt_Scale_LinearProblem.h is in libtrilinos-epetraext-dev 12.10.1-3.
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 | //@HEADER
// ***********************************************************************
//
// EpetraExt: Epetra Extended - Linear Algebra Services Package
// Copyright (2011) 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 Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
#ifndef EpetraExt_LINEARPROBLEM_SCALE_H
#define EpetraExt_LINEARPROBLEM_SCALE_H
#include <vector>
#include <EpetraExt_Transform.h>
class Epetra_LinearProblem;
class Epetra_Vector;
namespace EpetraExt {
///
/** Given an input Epetra_LinearProblem, recursive, left and right scaling are performed.
*/
class LinearProblem_Scale : public InPlaceTransform<Epetra_LinearProblem>
{
public:
enum ScaleType{ Sum, Max, Diag, None };
///
/** Destructor
*/
~LinearProblem_Scale();
///
/** Constructor
*/
LinearProblem_Scale( ScaleType left = Sum,
ScaleType right = Sum,
double exp_fac = 1.0,
int iterations = 1 )
: lScale_(left),
rScale_(right),
expFac_(exp_fac),
iters_(iterations),
scaled_(false)
{}
///
/** Applies forward scaling
*/
bool fwd();
///
/** Reverses scaling
*/
bool rvs();
private:
const ScaleType lScale_;
const ScaleType rScale_;
const double expFac_;
const int iters_;
bool scaled_;
std::vector<Epetra_Vector*> lScaleVecs_;
std::vector<Epetra_Vector*> rScaleVecs_;
};
} //namespace EpetraExt
#endif //EpetraExt_LINEARPROBLEM_SCALE_H
|