QuantLib: a free/open-source library for quantitative finance
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merton76process.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2003 Ferdinando Ametrano
5 Copyright (C) 2001, 2002, 2003 Sadruddin Rejeb
6 Copyright (C) 2004, 2005 StatPro Italia srl
7
8 This file is part of QuantLib, a free-software/open-source library
9 for financial quantitative analysts and developers - http://quantlib.org/
10
11 QuantLib is free software: you can redistribute it and/or modify it
12 under the terms of the QuantLib license. You should have received a
13 copy of the license along with this program; if not, please email
14 <quantlib-dev@lists.sf.net>. The license is also available online at
15 <http://quantlib.org/license.shtml>.
16
17 This program is distributed in the hope that it will be useful, but WITHOUT
18 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
19 FOR A PARTICULAR PURPOSE. See the license for more details.
20*/
21
22/*! \file merton76process.hpp
23 \brief Merton-76 process
24*/
25
26#ifndef quantlib_merton_76_process_hpp
27#define quantlib_merton_76_process_hpp
28
31
32namespace QuantLib {
33
34 //! Merton-76 jump-diffusion process
35 /*! \ingroup processes */
37 public:
39 const Handle<YieldTermStructure>& dividendTS,
40 const Handle<YieldTermStructure>& riskFreeTS,
41 const Handle<BlackVolTermStructure>& blackVolTS,
42 Handle<Quote> jumpInt,
43 Handle<Quote> logJMean,
44 Handle<Quote> logJVol,
45 const ext::shared_ptr<discretization>& d =
46 ext::shared_ptr<discretization>(new EulerDiscretization));
47 //! \name StochasticProcess1D interface
48 //@{
49 Real x0() const override;
50 Real drift(Time, Real) const override { QL_FAIL("Merton76Process does not implement drift"); }
51 Real diffusion(Time, Real) const override { QL_FAIL("Merton76Process does not implement diffusion"); }
52 Real apply(Real, Real) const override { QL_FAIL("Merton76Process does not implement apply"); }
53 //@}
54 Time time(const Date&) const override;
55 //! \name Inspectors
56 //@{
57 const Handle<Quote>& stateVariable() const;
61 const Handle<Quote>& jumpIntensity() const;
62 const Handle<Quote>& logMeanJump() const;
63 const Handle<Quote>& logJumpVolatility() const;
64 //@}
65 private:
66 ext::shared_ptr<GeneralizedBlackScholesProcess> blackProcess_;
68 };
69
70}
71
72
73#endif
Black-Scholes processes.
Concrete date class.
Definition: date.hpp:125
Euler discretization for stochastic processes.
Shared handle to an observable.
Definition: handle.hpp:41
Merton-76 jump-diffusion process.
Real apply(Real, Real) const override
Real drift(Time, Real) const override
returns the drift part of the equation, i.e.
const Handle< Quote > & jumpIntensity() const
const Handle< Quote > & logJumpVolatility() const
Real diffusion(Time, Real) const override
returns the diffusion part of the equation, i.e.
const Handle< Quote > & stateVariable() const
Handle< Quote > logJumpVolatility_
const Handle< YieldTermStructure > & dividendYield() const
Time time(const Date &) const override
ext::shared_ptr< GeneralizedBlackScholesProcess > blackProcess_
const Handle< Quote > & logMeanJump() const
Handle< Quote > jumpIntensity_
const Handle< BlackVolTermStructure > & blackVolatility() const
Real x0() const override
returns the initial value of the state variable
const Handle< YieldTermStructure > & riskFreeRate() const
1-dimensional stochastic process
#define QL_FAIL(message)
throw an error (possibly with file and line information)
Definition: errors.hpp:92
Euler discretization for stochastic processes.
Date d
Real Time
continuous quantity with 1-year units
Definition: types.hpp:62
QL_REAL Real
real number
Definition: types.hpp:50
Definition: any.hpp:35