/usr/include/trilinos/ROL_LineSearchFactory.hpp is in libtrilinos-rol-dev 12.10.1-3.
This file is owned by root:root, with mode 0o644.
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// ************************************************************************
//
// Rapid Optimization Library (ROL) Package
// Copyright (2014) Sandia Corporation
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#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
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