QuantLib: a free/open-source library for quantitative finance
fully annotated source code - version 1.34
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fdmamericanstepcondition.cpp
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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, 2009 Ralph Schreyer
6 Copyright (C) 2008, 2009 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
24#include <utility>
25
26namespace QuantLib {
27
29 ext::shared_ptr<FdmMesher> mesher, ext::shared_ptr<FdmInnerValueCalculator> calculator)
30 : mesher_(std::move(mesher)), calculator_(std::move(calculator)) {}
31
33 QL_REQUIRE(mesher_->layout()->size() == a.size(),
34 "inconsistent array dimensions");
35
36 for (const auto& iter : *mesher_->layout()) {
37 const Real innerValue = calculator_->innerValue(iter, t);
38 if (innerValue > a[iter.index()]) {
39 a[iter.index()] = innerValue;
40 }
41 }
42 }
43}
1-D array used in linear algebra.
Definition: array.hpp:52
Size size() const
dimension of the array
Definition: array.hpp:495
FdmAmericanStepCondition(ext::shared_ptr< FdmMesher > mesher, ext::shared_ptr< FdmInnerValueCalculator > calculator)
const ext::shared_ptr< FdmMesher > mesher_
const ext::shared_ptr< FdmInnerValueCalculator > calculator_
void applyTo(Array &a, Time) const override
const DefaultType & t
#define QL_REQUIRE(condition, message)
throw an error if the given pre-condition is not verified
Definition: errors.hpp:117
const ext::shared_ptr< CEVCalculator > calculator_
american step condition for multi dimensional problems
memory layout of a fdm linear operator
const ext::shared_ptr< FdmMesher > mesher_
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
STL namespace.