QuantLib: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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fdm1dimsolver.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2011 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/*! \file fdm1dimsolver.hpp
21*/
22
23#ifndef quantlib_fdm_1_dim_solver_hpp
24#define quantlib_fdm_1_dim_solver_hpp
25
26#include <ql/handle.hpp>
27#include <ql/math/matrix.hpp>
31
32
33namespace QuantLib {
34
35 class CubicInterpolation;
36 class FdmSnapshotCondition;
37
38 class Fdm1DimSolver : public LazyObject {
39 public:
40 Fdm1DimSolver(const FdmSolverDesc& solverDesc,
41 const FdmSchemeDesc& schemeDesc,
42 ext::shared_ptr<FdmLinearOpComposite> op);
43
44 Real interpolateAt(Real x) const;
45 Real thetaAt(Real x) const;
46
47 Real derivativeX(Real x) const;
48 Real derivativeXX(Real x) const;
49
50 protected:
51 void performCalculations() const override;
52
53 private:
56 const ext::shared_ptr<FdmLinearOpComposite> op_;
57
58 const ext::shared_ptr<FdmSnapshotCondition> thetaCondition_;
59 const ext::shared_ptr<FdmStepConditionComposite> conditions_;
60
61 std::vector<Real> x_, initialValues_;
63 mutable ext::shared_ptr<CubicInterpolation> interpolation_;
64 };
65}
66
67#endif
1-D array used in linear algebra.
Definition: array.hpp:52
void performCalculations() const override
std::vector< Real > initialValues_
const ext::shared_ptr< FdmStepConditionComposite > conditions_
Real derivativeX(Real x) const
ext::shared_ptr< CubicInterpolation > interpolation_
const ext::shared_ptr< FdmSnapshotCondition > thetaCondition_
const FdmSolverDesc solverDesc_
Real thetaAt(Real x) const
Real derivativeXX(Real x) const
Real interpolateAt(Real x) const
std::vector< Real > x_
const ext::shared_ptr< FdmLinearOpComposite > op_
const FdmSchemeDesc schemeDesc_
Framework for calculation on demand and result caching.
Definition: lazyobject.hpp:35
QL_REAL Real
real number
Definition: types.hpp:50
Globally accessible relinkable pointer.
framework for calculation on demand and result caching
matrix used in linear algebra.
Definition: any.hpp:35