QuantLib: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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uniformgridmesher.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2008 Andreas Gaida
5 Copyright (C) 2008 Ralph Schreyer
6 Copyright (C) 2008 Klaus Spanderen
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 uniformgridmesher.hpp
23 \brief uniform grid mesher
24*/
25
26#ifndef quantlib_uniform_grid_mesher_hpp
27#define quantlib_uniform_grid_mesher_hpp
28
31#include <memory>
32
33namespace QuantLib {
34
36 public:
38 const ext::shared_ptr<FdmLinearOpLayout> & index,
39 const std::vector<std::pair<Real, Real> > & boundaries);
40
41 Real dplus(const FdmLinearOpIterator&, Size direction) const override {
42 return dx_[direction];
43 }
44 Real dminus(const FdmLinearOpIterator&, Size direction) const override {
45 return dx_[direction];
46 }
47
48 Real location(const FdmLinearOpIterator& iter, Size direction) const override {
49 return locations_[direction][iter.coordinates()[direction]];
50 }
51
52 Array locations(Size direction) const override;
53
54 private:
55 std::unique_ptr<Real[]> dx_;
56 std::vector<std::vector<Real> > locations_;
57 };
58}
59
60#endif
1-D array used in linear algebra.
Definition: array.hpp:52
const std::vector< Size > & coordinates() const
std::vector< std::vector< Real > > locations_
std::unique_ptr< Real[]> dx_
Real dplus(const FdmLinearOpIterator &, Size direction) const override
Real dminus(const FdmLinearOpIterator &, Size direction) const override
Array locations(Size direction) const override
Real location(const FdmLinearOpIterator &iter, Size direction) const override
iterator for a linear fdm operator
mesher for a fdm grid
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