QuantLib: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
Loading...
Searching...
No Matches
fdm2dblackscholesop.hpp
Go to the documentation of this file.
1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2010 Klaus Spanderen
5
6 This file is part of QuantLib, a free-software/open-source library
7 for financial quantitative analysts and developers - http://quantlib.org/
8
9 QuantLib is free software: you can redistribute it and/or modify it
10 under the terms of the QuantLib license. You should have received a
11 copy of the license along with this program; if not, please email
12 <quantlib-dev@lists.sf.net>. The license is also available online at
13 <http://quantlib.org/license.shtml>.
14
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 FOR A PARTICULAR PURPOSE. See the license for more details.
18*/
19
20
21/*! \file fdm2dblackscholesop.hpp
22*/
23
24#ifndef quantlib_fdm_2d_black_scholes_op_hpp
25#define quantlib_fdm_2d_black_scholes_op_hpp
26
30
31namespace QuantLib {
32
33 class FdmMesher;
34 class GeneralizedBlackScholesProcess;
35
37 public:
39 const ext::shared_ptr<FdmMesher>& mesher,
40 const ext::shared_ptr<GeneralizedBlackScholesProcess>& p1,
41 const ext::shared_ptr<GeneralizedBlackScholesProcess>& p2,
42 Real correlation,
43 Time maturity,
44 bool localVol = false,
45 Real illegalLocalVolOverwrite = -Null<Real>());
46
47 Size size() const override;
48 void setTime(Time t1, Time t2) override;
49 Array apply(const Array& x) const override;
50 Array apply_mixed(const Array& x) const override;
51
52 Array apply_direction(Size direction, const Array& x) const override;
53
54 Array solve_splitting(Size direction, const Array& x, Real s) const override;
55 Array preconditioner(const Array& r, Real s) const override;
56
57 std::vector<SparseMatrix> toMatrixDecomp() const override;
58
59 private:
60 const ext::shared_ptr<FdmMesher> mesher_;
61 const ext::shared_ptr<GeneralizedBlackScholesProcess> p1_, p2_;
62 const ext::shared_ptr<LocalVolTermStructure> localVol1_, localVol2_;
63 const Array x_, y_;
64
70 };
71}
72#endif
1-D array used in linear algebra.
Definition: array.hpp:52
const ext::shared_ptr< LocalVolTermStructure > localVol2_
Array solve_splitting(Size direction, const Array &x, Real s) const override
const NinePointLinearOp corrMapTemplate_
Array preconditioner(const Array &r, Real s) const override
std::vector< SparseMatrix > toMatrixDecomp() const override
const ext::shared_ptr< GeneralizedBlackScholesProcess > p1_
Array apply_mixed(const Array &x) const override
void setTime(Time t1, Time t2) override
Time is required.
Array apply(const Array &x) const override
Array apply_direction(Size direction, const Array &x) const override
const ext::shared_ptr< FdmMesher > mesher_
const ext::shared_ptr< GeneralizedBlackScholesProcess > p2_
const ext::shared_ptr< LocalVolTermStructure > localVol1_
template class providing a null value for a given type.
Definition: null.hpp:76
Black Scholes linear operator.
composite pattern for linear operators
Real Time
continuous quantity with 1-year units
Definition: types.hpp:62
QL_REAL Real
real number
Definition: types.hpp:50
std::size_t Size
size of a container
Definition: types.hpp:58
Definition: any.hpp:35
nine point linear operator
ext::shared_ptr< YieldTermStructure > r