This file is indexed.

/usr/include/ql/methods/montecarlo/lsmbasissystem.hpp is in libquantlib0-dev 1.4-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*
 Copyright (C) 2006 Klaus Spanderen
 Copyright (C) 2010 Kakhkhor Abdijalilov

 This file is part of QuantLib, a free-software/open-source library
 for financial quantitative analysts and developers - http://quantlib.org/

 QuantLib is free software: you can redistribute it and/or modify it
 under the terms of the QuantLib license.  You should have received a
 copy of the license along with this program; if not, please email
 <quantlib-dev@lists.sf.net>. The license is also available online at
 <http://quantlib.org/license.shtml>.

 This program is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE.  See the license for more details.
*/

/*! \file lsmbasissystem.hpp
    \brief utility classes for Longstaff-Schwartz early-exercise Monte Carlo
*/

// lsmbasissystem.hpp

#ifndef quantlib_lsm_basis_system_hpp
#define quantlib_lsm_basis_system_hpp

#include <ql/qldefines.hpp>
#include <ql/math/array.hpp>
#include <boost/function.hpp>
#include <vector>

namespace QuantLib {

    class LsmBasisSystem {
      public:
        enum PolynomType { Monomial, Laguerre, Hermite, Hyperbolic,
                           Legendre, Chebyshev, Chebyshev2nd };

        static std::vector<boost::function1<Real, Real> >
            pathBasisSystem(Size order, PolynomType polyType);

        static std::vector<boost::function1<Real, Array> >
            multiPathBasisSystem(Size dim, Size order, PolynomType polyType);
    };


}

#endif