QuantLib
: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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ql
methods
finitedifferences
meshers
fdmhestonvariancemesher.hpp
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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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Copyright (C) 2008 Andreas Gaida
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Copyright (C) 2008 Ralph Schreyer
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Copyright (C) 2008, 2019 Klaus Spanderen
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This file is part of QuantLib, a free-software/open-source library
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for financial quantitative analysts and developers - http://quantlib.org/
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QuantLib is free software: you can redistribute it and/or modify it
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under the terms of the QuantLib license. You should have received a
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copy of the license along with this program; if not, please email
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<quantlib-dev@lists.sf.net>. The license is also available online at
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<http://quantlib.org/license.shtml>.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the license for more details.
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*/
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/*! \file fdmhestonvariancemesher.hpp
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\brief One-dimensional grid mesher for the variance part of the Heston model
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*/
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#ifndef quantlib_fdm_heston_variance_mesher_hpp
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#define quantlib_fdm_heston_variance_mesher_hpp
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#include <
ql/processes/hestonprocess.hpp
>
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#include <
ql/methods/finitedifferences/meshers/fdm1dmesher.hpp
>
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namespace
QuantLib
{
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class
FdmHestonVarianceMesher
:
public
Fdm1dMesher
{
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public
:
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FdmHestonVarianceMesher
(
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Size
size
,
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const
ext::shared_ptr<HestonProcess> & process,
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Time
maturity,
Size
tAvgSteps = 10,
Real
epsilon = 0.0001,
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Real
mixingFactor = 1.0);
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Real
volaEstimate
()
const
{
return
volaEstimate_
; }
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private
:
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Real
volaEstimate_
;
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};
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class
LocalVolTermStructure
;
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class
FdmHestonLocalVolatilityVarianceMesher
:
public
Fdm1dMesher
{
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public
:
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FdmHestonLocalVolatilityVarianceMesher
(
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Size
size
,
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const
ext::shared_ptr<HestonProcess>& process,
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const
ext::shared_ptr<LocalVolTermStructure>& leverageFct,
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Time
maturity,
Size
tAvgSteps = 10,
Real
epsilon = 0.0001,
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Real
mixingFactor = 1.0);
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Real
volaEstimate
()
const
{
return
volaEstimate_
; }
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private
:
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Real
volaEstimate_
;
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};
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}
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#endif
QuantLib::Fdm1dMesher
Definition:
fdm1dmesher.hpp:34
QuantLib::Fdm1dMesher::size
Size size() const
Definition:
fdm1dmesher.hpp:40
QuantLib::FdmHestonLocalVolatilityVarianceMesher
Definition:
fdmhestonvariancemesher.hpp:51
QuantLib::FdmHestonLocalVolatilityVarianceMesher::volaEstimate_
Real volaEstimate_
Definition:
fdmhestonvariancemesher.hpp:63
QuantLib::FdmHestonLocalVolatilityVarianceMesher::volaEstimate
Real volaEstimate() const
Definition:
fdmhestonvariancemesher.hpp:60
QuantLib::FdmHestonVarianceMesher
Definition:
fdmhestonvariancemesher.hpp:34
QuantLib::FdmHestonVarianceMesher::volaEstimate_
Real volaEstimate_
Definition:
fdmhestonvariancemesher.hpp:45
QuantLib::FdmHestonVarianceMesher::volaEstimate
Real volaEstimate() const
Definition:
fdmhestonvariancemesher.hpp:42
QuantLib::LocalVolTermStructure
Definition:
localvoltermstructure.hpp:38
fdm1dmesher.hpp
One-dimensional simple FDM mesher object working on an index.
QuantLib::Time
Real Time
continuous quantity with 1-year units
Definition:
types.hpp:62
QuantLib::Real
QL_REAL Real
real number
Definition:
types.hpp:50
QuantLib::Size
std::size_t Size
size of a container
Definition:
types.hpp:58
hestonprocess.hpp
Heston stochastic process.
QuantLib
Definition:
any.hpp:35
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