QuantLib: a free/open-source library for quantitative finance
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lmconstwrappercorrmodel.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2005, 2006 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 lmconstwrappercorrmodel.hpp
21 \brief const wrapper for correlation model for libor market models
22*/
23
24#ifndef quantlib_libor_forward_const_wrapper_correlation_model_hpp
25#define quantlib_libor_forward_const_wrapper_correlation_model_hpp
26
28
29namespace QuantLib {
30
32 public:
34 const ext::shared_ptr<LmCorrelationModel> & corrModel)
35 : LmCorrelationModel(corrModel->size(), 0),
36 corrModel_(corrModel) {
37 }
38
39 Size factors() const override { return corrModel_->factors(); }
40
41 Matrix correlation(Time t, const Array& x = Null<Array>()) const override {
42 return corrModel_->correlation(t, x);
43 }
44 Matrix pseudoSqrt(Time t, const Array& x = Null<Array>()) const override {
45 return corrModel_->pseudoSqrt(t, x);
46 }
47 Real correlation(Size i, Size j, Time t, const Array& x = Null<Array>()) const override {
48 return corrModel_->correlation(i, j, t, x);
49 }
50 bool isTimeIndependent() const override { return corrModel_->isTimeIndependent(); }
51
52 protected:
53 void generateArguments() override {}
54
55 const ext::shared_ptr<LmCorrelationModel> corrModel_;
56 };
57
58}
59
60
61#endif
62
63
1-D array used in linear algebra.
Definition: array.hpp:52
Matrix pseudoSqrt(Time t, const Array &x=Null< Array >()) const override
LmConstWrapperCorrelationModel(const ext::shared_ptr< LmCorrelationModel > &corrModel)
Real correlation(Size i, Size j, Time t, const Array &x=Null< Array >()) const override
const ext::shared_ptr< LmCorrelationModel > corrModel_
Matrix correlation(Time t, const Array &x=Null< Array >()) const override
libor forward correlation model
Definition: lmcorrmodel.hpp:35
virtual Size size() const
Definition: lmcorrmodel.cpp:28
Matrix used in linear algebra.
Definition: matrix.hpp:41
template class providing a null value for a given type.
Definition: null.hpp:76
const DefaultType & t
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
correlation model for libor market models
Definition: any.hpp:35