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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
Copyright (C) 2006 Klaus Spanderen
Copyright (C) 2015 Peter Caspers
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it
under the terms of the QuantLib license. You should have received a
copy of the license along with this program; if not, please email
<quantlib-dev@lists.sf.net>. The license is also available online at
<http://quantlib.org/license.shtml>.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
*/
/*! \file lmdif.hpp
\brief wrapper for MINPACK minimization routine
*/
#ifndef quantlib_optimization_lmdif_hpp
#define quantlib_optimization_lmdif_hpp
#include <ql/types.hpp>
#include <ql/functional.hpp>
namespace QuantLib {
namespace MINPACK {
typedef ext::function<void (int,
int,
Real*,
Real*,
int*)> LmdifCostFunction;
void lmdif(int m,int n,Real* x,Real* fvec,Real ftol,
Real xtol,Real gtol,int maxfev,Real epsfcn,
Real* diag, int mode, Real factor,
int nprint, int* info,int* nfev,Real* fjac,
int ldfjac,int* ipvt,Real* qtf,
Real* wa1,Real* wa2,Real* wa3,Real* wa4,
const LmdifCostFunction& fcn,
const LmdifCostFunction& jacFcn);
void qrsolv(int n,
Real* r,
int ldr,
const int* ipvt,
const Real* diag,
const Real* qtb,
Real* x,
Real* sdiag,
Real* wa);
void qrfac(int m,int n,Real* a,int, int pivot,int* ipvt,
int,Real* rdiag,Real* acnorm,Real* wa);
}
}
#endif
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