/usr/include/trilinos/LOCA_Homotopy_AbstractGroup.H is in libtrilinos-nox-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 | // $Id$
// $Source$
//@HEADER
// ************************************************************************
//
// LOCA: Library of Continuation Algorithms Package
// Copyright (2005) 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.
//
// 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 Roger Pawlowski (rppawlo@sandia.gov) or
// Eric Phipps (etphipp@sandia.gov), Sandia National Laboratories.
// ************************************************************************
// CVS Information
// $Source$
// $Author$
// $Date$
// $Revision$
// ************************************************************************
//@HEADER
#ifndef LOCA_HOMOTOPY_ABSTRACTGROUP_H
#define LOCA_HOMOTOPY_ABSTRACTGROUP_H
#include "LOCA_MultiContinuation_AbstractGroup.H" // base class
namespace LOCA {
namespace Homotopy {
/*!
* \brief Interface to underlying groups for homotopy calculations
*/
/*!
* This abstract class provides an interface for a homotopy technique
* for solving nonlinear equations. See LOCA::Homotopy::Group for a
* description of the technique used. This class provides a single
* pure virtual method, augmentJacobianForHomotopy(), which scales the
* diagonal of the Jacobian by a constant times the identity matrix.
*/
class AbstractGroup :
public virtual LOCA::MultiContinuation::AbstractGroup {
public:
//! Default constructor.
AbstractGroup() {}
//! Destructor
virtual ~AbstractGroup() {}
/*!
* @name Pure virtual methods
* These methods must be defined by any concrete implementation
*/
//@{
/*!
* \brief Replace Jacobian \f$J\f$ by \f$aJ+bI\f$ where \f$I\f$ is
* the identity matrix
*/
virtual NOX::Abstract::Group::ReturnType
augmentJacobianForHomotopy(double a, double b) = 0;
//@}
//! Bring NOX::Abstract::Group::operator=() into scope
using NOX::Abstract::Group::operator=;
};
} // namespace Homotopy
} // namespace LOCA
#endif
|