This file is indexed.

/usr/include/ql/pricingengines/bond/bondfunctions.hpp is in libquantlib0-dev 1.12-1.

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
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*
 Copyright (C) 2007, 2008, 2009, 2010 Ferdinando Ametrano
 Copyright (C) 2007 Chiara Fornarola
 Copyright (C) 2009 StatPro Italia srl
 Copyright (C) 2009 Nathan Abbott

 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 bondfunctions.hpp
    \brief bond functions
*/

#ifndef quantlib_bond_functions_hpp
#define quantlib_bond_functions_hpp

#include <ql/cashflows/cashflows.hpp>
#include <ql/cashflows/duration.hpp>
#include <ql/cashflow.hpp>
#include <ql/interestrate.hpp>
#include <ql/instruments/bond.hpp>
#include <boost/shared_ptr.hpp>

namespace QuantLib {

    // forward declarations
    class Bond;
    class DayCounter;
    class YieldTermStructure;

    //! Bond adapters of CashFlows functions
    /*! See CashFlows for functions' documentation.

        These adapters calls into CashFlows functions passing as input the
        Bond cashflows, the dirty price (i.e. npv) calculated from clean
        price, the bond settlement date (unless another date is given), zero
        ex-dividend days, and excluding any cashflow on the settlement date.

        Prices are always clean, as per market convention.
    */
    struct BondFunctions {
        //! \name Date inspectors
        //@{
        static Date startDate(const Bond& bond);
        static Date maturityDate(const Bond& bond);
        static bool isTradable(const Bond& bond,
                               Date settlementDate = Date());
        //@}

        //! \name CashFlow inspectors
        //@{
        static Leg::const_reverse_iterator
        previousCashFlow(const Bond& bond,
                         Date refDate = Date());
        static Leg::const_iterator nextCashFlow(const Bond& bond,
                                                Date refDate = Date());
        static Date previousCashFlowDate(const Bond& bond,
                                         Date refDate = Date());
        static Date nextCashFlowDate(const Bond& bond,
                                     Date refDate = Date());
        static Real previousCashFlowAmount(const Bond& bond,
                                           Date refDate = Date());
        static Real nextCashFlowAmount(const Bond& bond,
                                       Date refDate = Date());
        //@}

        //! \name Coupon inspectors
        //@{
        static Rate previousCouponRate(const Bond& bond,
                                       Date settlementDate = Date());
        static Rate nextCouponRate(const Bond& bond,
                                   Date settlementDate = Date());
        static Date accrualStartDate(const Bond& bond,
                                     Date settlementDate = Date());
        static Date accrualEndDate(const Bond& bond,
                                   Date settlementDate = Date());
        static Date referencePeriodStart(const Bond& bond,
                                         Date settlementDate = Date());
        static Date referencePeriodEnd(const Bond& bond,
                                       Date settlementDate = Date());
        static Time accrualPeriod(const Bond& bond,
                                  Date settlementDate = Date());
        static Date::serial_type accrualDays(const Bond& bond,
                                             Date settlementDate = Date());
        static Time accruedPeriod(const Bond& bond,
                                  Date settlementDate = Date());
        static Date::serial_type accruedDays(const Bond& bond,
                                             Date settlementDate = Date());
        static Real accruedAmount(const Bond& bond,
                                  Date settlementDate = Date());
        //@}

        //! \name YieldTermStructure functions
        //@{
        static Real cleanPrice(const Bond& bond,
                               const YieldTermStructure& discountCurve,
                               Date settlementDate = Date());
        static Real bps(const Bond& bond,
                        const YieldTermStructure& discountCurve,
                        Date settlementDate = Date());
        static Rate atmRate(const Bond& bond,
                            const YieldTermStructure& discountCurve,
                            Date settlementDate = Date(),
                            Real cleanPrice = Null<Real>());
        //@}

        //! \name Yield (a.k.a. Internal Rate of Return, i.e. IRR) functions
        //@{
        static Real cleanPrice(const Bond& bond,
                               const InterestRate& yield,
                               Date settlementDate = Date());
        static Real cleanPrice(const Bond& bond,
                               Rate yield,
                               const DayCounter& dayCounter,
                               Compounding compounding,
                               Frequency frequency,
                               Date settlementDate = Date());
        static Real dirtyPrice(const Bond& bond,
                               const InterestRate& yield,
                               Date settlementDate = Date());
        static Real dirtyPrice(const Bond& bond,
                               Rate yield,
                               const DayCounter& dayCounter,
                               Compounding compounding,
                               Frequency frequency,
                               Date settlementDate = Date());
        static Real bps(const Bond& bond,
                        const InterestRate& yield,
                        Date settlementDate = Date());
        static Real bps(const Bond& bond,
                        Rate yield,
                        const DayCounter& dayCounter,
                        Compounding compounding,
                        Frequency frequency,
                        Date settlementDate = Date());
        static Rate yield(const Bond& bond,
                          Real cleanPrice,
                          const DayCounter& dayCounter,
                          Compounding compounding,
                          Frequency frequency,
                          Date settlementDate = Date(),
                          Real accuracy = 1.0e-10,
                          Size maxIterations = 100,
                          Rate guess = 0.05);
        template <typename Solver>
        static Rate yield(Solver solver,
                          const Bond& bond,
                          Real cleanPrice,
                          const DayCounter& dayCounter,
                          Compounding compounding,
                          Frequency frequency,
                          Date settlementDate = Date(),
                          Real accuracy = 1.0e-10,
                          Rate guess = 0.05) {
            if (settlementDate == Date())
                settlementDate = bond.settlementDate();

            QL_REQUIRE(BondFunctions::isTradable(bond, settlementDate),
                       "non tradable at " << settlementDate <<
                       " (maturity being " << bond.maturityDate() << ")");

            Real dirtyPrice = cleanPrice + bond.accruedAmount(settlementDate);
            dirtyPrice /= 100.0 / bond.notional(settlementDate);

            return CashFlows::yield<Solver>(solver, bond.cashflows(),
                                            dirtyPrice, dayCounter, compounding,
                                            frequency, false, settlementDate,
                                            settlementDate, accuracy, guess);
        }
        static Time duration(const Bond& bond,
                             const InterestRate& yield,
                             Duration::Type type = Duration::Modified,
                             Date settlementDate = Date() );
        static Time duration(const Bond& bond,
                             Rate yield,
                             const DayCounter& dayCounter,
                             Compounding compounding,
                             Frequency frequency,
                             Duration::Type type = Duration::Modified,
                             Date settlementDate = Date() );
        static Real convexity(const Bond& bond,
                              const InterestRate& yield,
                              Date settlementDate = Date());
        static Real convexity(const Bond& bond,
                              Rate yield,
                              const DayCounter& dayCounter,
                              Compounding compounding,
                              Frequency frequency,
                              Date settlementDate = Date());
        static Real basisPointValue(const Bond& bond,
                                    const InterestRate& yield,
                                    Date settlementDate = Date());
        static Real basisPointValue(const Bond& bond,
                                    Rate yield,
                                    const DayCounter& dayCounter,
                                    Compounding compounding,
                                    Frequency frequency,
                                    Date settlementDate = Date());
        static Real yieldValueBasisPoint(const Bond& bond,
                                         const InterestRate& yield,
                                         Date settlementDate = Date());
        static Real yieldValueBasisPoint(const Bond& bond,
                                         Rate yield,
                                         const DayCounter& dayCounter,
                                         Compounding compounding,
                                         Frequency frequency,
                                         Date settlementDate = Date());
        //@}

        //! \name Z-spread functions
        //@{
        static Real cleanPrice(const Bond& bond,
                               const boost::shared_ptr<YieldTermStructure>& discount,
                               Spread zSpread,
                               const DayCounter& dayCounter,
                               Compounding compounding,
                               Frequency frequency,
                               Date settlementDate = Date());
        static Spread zSpread(const Bond& bond,
                              Real cleanPrice,
                              const boost::shared_ptr<YieldTermStructure>&,
                              const DayCounter& dayCounter,
                              Compounding compounding,
                              Frequency frequency,
                              Date settlementDate = Date(),
                              Real accuracy = 1.0e-10,
                              Size maxIterations = 100,
                              Rate guess = 0.0);
        //@}

    };

}

#endif