/usr/include/trilinos/ROL_SecantFactory.hpp is in libtrilinos-rol-dev 12.12.1-5.
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// ************************************************************************
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// Rapid Optimization Library (ROL) Package
// Copyright (2014) Sandia Corporation
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#ifndef ROL_SECANTFACTORY_H
#define ROL_SECANTFACTORY_H
#include "ROL_Types.hpp"
#include "Teuchos_ParameterList.hpp"
#include "Teuchos_RCP.hpp"
#include "ROL_Secant.hpp"
#include "ROL_lBFGS.hpp"
#include "ROL_lDFP.hpp"
#include "ROL_lSR1.hpp"
#include "ROL_BarzilaiBorwein.hpp"
namespace ROL {
template<class Real>
inline Teuchos::RCP<Secant<Real> > getSecant( ESecant esec = SECANT_LBFGS, int L = 10, int BBtype = 1 ) {
switch (esec) {
case SECANT_LBFGS: return Teuchos::rcp( new lBFGS<Real>(L) );
case SECANT_LDFP: return Teuchos::rcp( new lDFP<Real>(L) );
case SECANT_LSR1: return Teuchos::rcp( new lSR1<Real>(L) );
case SECANT_BARZILAIBORWEIN: return Teuchos::rcp( new BarzilaiBorwein<Real>(BBtype) );
default: return Teuchos::null;
}
}
template<class Real>
inline Teuchos::RCP<Secant<Real> > SecantFactory( Teuchos::ParameterList &parlist ) {
ESecant esec = StringToESecant(
parlist.sublist("General").sublist("Secant").get("Type","Limited-Memory BFGS") );
int L = parlist.sublist("General").sublist("Secant").get("Maximum Storage",10);
int BB = parlist.sublist("General").sublist("Secant").get("Barzilai-Borwein",1);
switch (esec) {
case SECANT_LBFGS: return Teuchos::rcp( new lBFGS<Real>(L) );
case SECANT_LDFP: return Teuchos::rcp( new lDFP<Real>(L) );
case SECANT_LSR1: return Teuchos::rcp( new lSR1<Real>(L) );
case SECANT_BARZILAIBORWEIN: return Teuchos::rcp( new BarzilaiBorwein<Real>(BB) );
default: return Teuchos::null;
}
}
}
#endif
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