/usr/include/trilinos/ROL_LineSearchFactory.hpp is in libtrilinos-rol-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 | // @HEADER
// ************************************************************************
//
// Rapid Optimization Library (ROL) Package
// Copyright (2014) 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 lead developers:
// Drew Kouri (dpkouri@sandia.gov) and
// Denis Ridzal (dridzal@sandia.gov)
//
// ************************************************************************
// @HEADER
#ifndef ROL_LINESEARCHFACTORY_H
#define ROL_LINESEARCHFACTORY_H
#include "ROL_Types.hpp"
#include "Teuchos_ParameterList.hpp"
#include "Teuchos_RCP.hpp"
#include "ROL_LineSearch.hpp"
#include "ROL_IterationScaling.hpp"
#include "ROL_PathBasedTargetLevel.hpp"
#include "ROL_BackTracking.hpp"
#include "ROL_CubicInterp.hpp"
#include "ROL_Bisection.hpp"
#include "ROL_GoldenSection.hpp"
#include "ROL_Brents.hpp"
#include "ROL_ScalarMinimizationLineSearch.hpp"
namespace ROL {
template<class Real>
inline Teuchos::RCP<LineSearch<Real> > LineSearchFactory(Teuchos::ParameterList &parlist) {
ELineSearch els = StringToELineSearch(
parlist.sublist("Step").sublist("Line Search").sublist("Line-Search Method").get("Type","Cubic Interpolation"));
switch(els) {
case LINESEARCH_ITERATIONSCALING: return Teuchos::rcp( new IterationScaling<Real>(parlist) );
case LINESEARCH_PATHBASEDTARGETLEVEL: return Teuchos::rcp( new PathBasedTargetLevel<Real>(parlist) );
case LINESEARCH_BACKTRACKING: return Teuchos::rcp( new BackTracking<Real>(parlist) );
case LINESEARCH_CUBICINTERP: return Teuchos::rcp( new CubicInterp<Real>(parlist) );
// case LINESEARCH_BISECTION: return Teuchos::rcp( new Bisection<Real>(parlist) );
// case LINESEARCH_BRENTS: return Teuchos::rcp( new Brents<Real>(parlist) );
// case LINESEARCH_GOLDENSECTION: return Teuchos::rcp( new GoldenSection<Real>(parlist) );
case LINESEARCH_BRENTS:
case LINESEARCH_GOLDENSECTION:
case LINESEARCH_BISECTION: return Teuchos::rcp( new ScalarMinimizationLineSearch<Real>(parlist));
default: return Teuchos::null;
}
}
}
#endif
|