QuantLib: a free/open-source library for quantitative finance
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stochasticcollocationinvcdf.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4
5 Copyright (C) 2016 Klaus Spanderen
6
7 This file is part of QuantLib, a free-software/open-source library
8 for financial quantitative analysts and developers - http://quantlib.org/
9
10 QuantLib is free software: you can redistribute it and/or modify it
11 under the terms of the QuantLib license. You should have received a
12 copy of the license along with this program; if not, please email
13 <quantlib-dev@lists.sf.net>. The license is also available online at
14 <http://quantlib.org/license.shtml>.
15
16 This program is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 FOR A PARTICULAR PURPOSE. See the license for more details.
19*/
20
21/*! \file stochasticcollocationinvcdf.hpp
22 Stochastic collocation inverse cumulative distribution function
23*/
24
25#ifndef quantlib_stochastic_collation_inv_cdf_hpp
26#define quantlib_stochastic_collation_inv_cdf_hpp
27
30#include <ql/functional.hpp>
31
32namespace QuantLib {
33 //! Stochastic collocation inverse cumulative distribution function
34
35 /*! References:
36 L.A. Grzelak, J.A.S. Witteveen, M.Suárez-Taboada, C.W. Oosterlee,
37 The Stochastic Collocation Monte Carlo Sampler: Highly efficient
38 sampling from “expensive” distributions
39 http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2529691
40 */
41
43 public:
45 const ext::function<Real(Real)>& invCDF,
46 Size lagrangeOrder,
47 Real pMax = Null<Real>(),
48 Real pMin = Null<Real>());
49
50 Real value(Real x) const;
51 Real operator()(Real u) const;
52
53 private:
54 const Array x_;
56 const Array y_;
58 };
59}
60
61#endif
1-D array used in linear algebra.
Definition: array.hpp:52
template class providing a null value for a given type.
Definition: null.hpp:76
Stochastic collocation inverse cumulative distribution function.
Maps function, bind and cref to either the boost or std implementation.
QL_REAL Real
real number
Definition: types.hpp:50
Real Volatility
volatility
Definition: types.hpp:78
std::size_t Size
size of a container
Definition: types.hpp:58
Definition: any.hpp:35
normal, cumulative and inverse cumulative distributions