/usr/include/trilinos/Amesos2_Control.hpp is in libtrilinos-amesos2-dev 12.12.1-5.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | // @HEADER
//
// ***********************************************************************
//
// Amesos2: Templated Direct Sparse Solver 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
/**
\file Amesos2_Control.hpp
\author Eric T Bavier <etbavier@sandia.gov>
\date Sat Jan 16 08:52:02 2010
\brief Container class for control variables.
*/
#ifndef AMESOS2_CONTROL_HPP
#define AMESOS2_CONTROL_HPP
#include <Teuchos_ParameterList.hpp>
#include <Teuchos_RCP.hpp>
namespace Amesos2 {
struct Control {
/// Default constructor.
Control()
: verbose_(0)
, debug_(0)
, useTranspose_(false)
, addToDiag_("0.0")
, addZeroToDiag_(false)
, matrixProperty_(0)
, rcond_threshold_(1e-12)
, refactorize_(false)
, scaleMethod_(0)
, reindex_(false)
{ }
/// Default destructor.
~Control() { };
void setControlParameters(
const Teuchos::RCP<Teuchos::ParameterList> & parameterList );
/** \brief Sets the verbosity level.
*
* \internal Really should implement the Teuchos::VerboseObject
* interface for this sort of thing.
*/
int verbose_;
/// Sets the level of debug output
int debug_;
/// When solving, use A^T instead of A
bool useTranspose_;
/**
* \brief Add this value to the diagonal.
*
* This value is declared as a string, so that it may be later appropriately
* interpreted as the scalar type of the matrix being manipulated.
*/
std::string addToDiag_;
/**
* \brief Adds zero to diagonal of redistributed matrix.
*
* (some solvers choke on a matrix with a partly empty diag)
*/
bool addZeroToDiag_;
/**
* \brief Set the matrix property.
*
* Matrix property can be
* - 0 : general asymmetric matrix;
* - 1 : SPD;
* - 2 : general symmetric matrix.
* UNUSED - See bug #2331 and bug #2332
*/
int matrixProperty_;
/// If error is greater than \c this value, perform symbolic and
/// numeric factorization with full partial pivoting
double rcond_threshold_; // if we refactorize, the factorization
// may suffer in numeric quality. We
// compute rcond = min (abs (diag (U))) /
// max (abs(diag (U))). If this ratio is
// <= rcond_threshold_, then the
// "refactorization" is scrapped, and we
// factor with full partial pivoting
// instead.
bool refactorize_; // if true, and if the Symbolic and Numeric
// objects have already been created, then
// attempt to "refactorize" (factor the matrix
// with no changes to the pivot order since the
// last call the klu_btf_factor).
int scaleMethod_; // Most methods (klu, UMFPACK, Mumps, ...) can
// scale the input matrix prior to
// factorization. This can improve pivoting,
// reduces fill-in, and leads to a better
// quality factorization. The options are:
// 0: no scaling
// 1: use the default method for the specific
// package
// 2: use the method's 1st alternative (if it
// has one)
// 3: use the method's 2nd alternative, and so
// on.
//
// Amesos2_Klu is, at present, the only code
// which implements this
/**
* \brief Reindex A to standard indexing.
*
* If true, the Amesos2 class should reindex the matrix to standard
* indexing (i.e. 0-(n-1)) At present, only Amesos2::Klu supports this
* option.
*/
bool reindex_;
}; // end class Control
} // end namespace Amesos2
#endif // AMESOS2_CONTROL_HPP
|