QuantLib
: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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ql
methods
finitedifferences
utilities
squarerootprocessrndcalculator.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) 2015 Johannes Göttker-Schnetmann
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Copyright (C) 2015 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 squarerootprocessrndcalculator.hpp
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\brief risk neutral terminal density calculator for the square root process
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*/
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#ifndef quantlib_square_root_process_risk_neutral_density_calculator_hpp
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#define quantlib_square_root_process_risk_neutral_density_calculator_hpp
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#include <
ql/methods/finitedifferences/utilities/riskneutraldensitycalculator.hpp
>
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namespace
QuantLib
{
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class
SquareRootProcessRNDCalculator
:
public
RiskNeutralDensityCalculator
{
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public
:
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SquareRootProcessRNDCalculator
(
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Real
v0
,
Real
kappa
,
Real
theta
,
Real
sigma
);
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Real
pdf
(
Real
v
,
Time
t
)
const override
;
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Real
cdf
(
Real
v
,
Time
t
)
const override
;
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Real
invcdf
(
Real
q
,
Time
t
)
const override
;
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Real
stationary_pdf
(
Real
v
)
const
;
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Real
stationary_cdf
(
Real
v
)
const
;
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Real
stationary_invcdf
(
Real
q
)
const
;
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private
:
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const
Real
v0_
,
kappa_
,
theta_
,
d_
,
df_
;
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};
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}
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#endif
QuantLib::RiskNeutralDensityCalculator
Definition:
riskneutraldensitycalculator.hpp:31
QuantLib::SquareRootProcessRNDCalculator
Definition:
squarerootprocessrndcalculator.hpp:31
QuantLib::SquareRootProcessRNDCalculator::stationary_cdf
Real stationary_cdf(Real v) const
Definition:
squarerootprocessrndcalculator.cpp:75
QuantLib::SquareRootProcessRNDCalculator::stationary_invcdf
Real stationary_invcdf(Real q) const
Definition:
squarerootprocessrndcalculator.cpp:82
QuantLib::SquareRootProcessRNDCalculator::theta_
const Real theta_
Definition:
squarerootprocessrndcalculator.hpp:45
QuantLib::SquareRootProcessRNDCalculator::kappa_
const Real kappa_
Definition:
squarerootprocessrndcalculator.hpp:45
QuantLib::SquareRootProcessRNDCalculator::invcdf
Real invcdf(Real q, Time t) const override
Definition:
squarerootprocessrndcalculator.cpp:56
QuantLib::SquareRootProcessRNDCalculator::df_
const Real df_
Definition:
squarerootprocessrndcalculator.hpp:45
QuantLib::SquareRootProcessRNDCalculator::pdf
Real pdf(Real v, Time t) const override
Definition:
squarerootprocessrndcalculator.cpp:34
QuantLib::SquareRootProcessRNDCalculator::v0_
const Real v0_
Definition:
squarerootprocessrndcalculator.hpp:45
QuantLib::SquareRootProcessRNDCalculator::cdf
Real cdf(Real v, Time t) const override
Definition:
squarerootprocessrndcalculator.cpp:45
QuantLib::SquareRootProcessRNDCalculator::d_
const Real d_
Definition:
squarerootprocessrndcalculator.hpp:45
QuantLib::SquareRootProcessRNDCalculator::stationary_pdf
Real stationary_pdf(Real v) const
Definition:
squarerootprocessrndcalculator.cpp:67
t
const DefaultType & t
Definition:
defaultprobabilitykey.cpp:39
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
kappa
Real kappa
Definition:
hestonrndcalculator.cpp:36
theta
Real theta
Definition:
hestonrndcalculator.cpp:36
v0
Real v0
Definition:
hestonrndcalculator.cpp:36
sigma
Real sigma
Definition:
hestonrndcalculator.cpp:36
QuantLib
Definition:
any.hpp:35
q
ext::shared_ptr< YieldTermStructure > q
Definition:
perturbativebarrieroptionengine.cpp:1464
v
ext::shared_ptr< BlackVolTermStructure > v
Definition:
perturbativebarrieroptionengine.cpp:1487
riskneutraldensitycalculator.hpp
interface for a single asset risk neutral terminal density calculation
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