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Changeset 203

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Timestamp:
06/05/08 22:08:14 (3 months ago)
Author:
snovik
Message:

Fix: Observability of Index fixings
Change: Some code cleaning in InterestRateIndex? / IndexManager?

Files:

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  • trunk/QLNet/QLNet.vsmdi

    r202 r203  
    1010  <TestList name="Swap" id="1fb9da58-c37b-40da-9772-c8899ed4f8c6" parentListId="8c43106b-9dc1-4907-a29f-aa66a61bf5b6"> 
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  • trunk/QLNet/QLNet/Cashflows/DigitalCoupon.cs

    r133 r203  
    7474                //@{ 
    7575                //! general constructor 
    76                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike, Position.Type putPosition, bool isPutATMIncluded, double? putDigitalPayoff) : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, putStrike, putPosition, isPutATMIncluded, putDigitalPayoff, new DigitalReplication()
    77                
    78                
    79                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike, Position.Type putPosition, bool isPutATMIncluded) : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, putStrike, putPosition, isPutATMIncluded, null, new DigitalReplication()
    80                
    81                
    82                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike, Position.Type putPosition) : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, putStrike, putPosition, false, null, new DigitalReplication()
    83                
    84                
    85                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike) : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, putStrike, Position.Type.Long, false, null, new DigitalReplication()
    86                
    87                
    88                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double callDigitalPayoff) : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, null, Position.Type.Long, false, null, new DigitalReplication()
    89                
    90                
    91                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded) : this(underlying, callStrike, callPosition, isCallATMIncluded, null, null, Position.Type.Long, false, null, new DigitalReplication()
    92                
    93                
    94                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition) : this(underlying, callStrike, callPosition, false, null, null, Position.Type.Long, false, null, new DigitalReplication()
    95                
    96                
    97                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike) : this(underlying, callStrike, Position.Type.Long, false, null, null, Position.Type.Long, false, null, new DigitalReplication()
    98                
    99                
    100                public DigitalCoupon(FloatingRateCoupon underlying) : this(underlying, null, Position.Type.Long, false, null, null, Position.Type.Long, false, null, new DigitalReplication()
    101                
    102                
    103                public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike, Position.Type putPosition, bool isPutATMIncluded, double? putDigitalPayoff, DigitalReplication replication) : base(underlying.date(), underlying.nominal(), underlying.accrualStartDate(), underlying.accrualEndDate(), underlying.fixingDays, underlying.index(), underlying.gearing(), underlying.spread(), underlying.refPeriodStart, underlying.refPeriodEnd, underlying.dayCounter(), underlying.isInArrears()
    104                
     76        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike, Position.Type putPosition, bool isPutATMIncluded, double? putDigitalPayoff
     77            : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, putStrike, putPosition, isPutATMIncluded, putDigitalPayoff, new DigitalReplication())
     78       
     79        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike, Position.Type putPosition, bool isPutATMIncluded
     80            : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, putStrike, putPosition, isPutATMIncluded, null, new DigitalReplication())
     81       
     82        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike, Position.Type putPosition
     83            : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, putStrike, putPosition, false, null, new DigitalReplication())
     84       
     85        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike
     86            : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, putStrike, Position.Type.Long, false, null, new DigitalReplication())
     87       
     88        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double callDigitalPayoff
     89            : this(underlying, callStrike, callPosition, isCallATMIncluded, callDigitalPayoff, null, Position.Type.Long, false, null, new DigitalReplication())
     90       
     91        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded
     92            : this(underlying, callStrike, callPosition, isCallATMIncluded, null, null, Position.Type.Long, false, null, new DigitalReplication())
     93       
     94        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition
     95            : this(underlying, callStrike, callPosition, false, null, null, Position.Type.Long, false, null, new DigitalReplication())
     96       
     97        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike
     98            : this(underlying, callStrike, Position.Type.Long, false, null, null, Position.Type.Long, false, null, new DigitalReplication())
     99       
     100        public DigitalCoupon(FloatingRateCoupon underlying
     101            : this(underlying, null, Position.Type.Long, false, null, null, Position.Type.Long, false, null, new DigitalReplication())
     102       
     103        public DigitalCoupon(FloatingRateCoupon underlying, double? callStrike, Position.Type callPosition, bool isCallATMIncluded, double? callDigitalPayoff, double? putStrike, Position.Type putPosition, bool isPutATMIncluded, double? putDigitalPayoff, DigitalReplication replication
     104            : base(underlying.date(), underlying.nominal(), underlying.accrualStartDate(), underlying.accrualEndDate(), underlying.fixingDays, underlying.index(), underlying.gearing(), underlying.spread(), underlying.refPeriodStart, underlying.refPeriodEnd, underlying.dayCounter(), underlying.isInArrears())
    105105                        underlying_ = underlying; 
    106106                        callCsi_ = 0.0; 
     
    281281                        { 
    282282                                // might have been fixed 
    283                                 double pastFixing = IndexManager.getHistory((underlying_.index()).name())[fixingDate]; 
     283                                double pastFixing = IndexManager.instance().getHistory((underlying_.index()).name()).value()[fixingDate]; 
    284284                if (pastFixing != default(double)) 
    285285                                { 
  • trunk/QLNet/QLNet/Cashflows/Iborcoupon.cs

    r133 r203  
    4343        //! Implemented in order to manage the case of par coupon 
    4444        public override double indexFixing() { 
    45 #if QL_USE_INDEXED_COUPON 
    46             return index_->fixing(fixingDate()); 
    47 #else 
     45            #if QL_USE_INDEXED_COUPON 
     46                return index_.fixing(fixingDate()); 
     47            #else 
    4848            if (isInArrears()) { 
    4949                return index_.fixing(fixingDate()); 
     
    5252                if (termStructure.empty()) throw new ArgumentException("null term structure set to par coupon"); 
    5353                Date today = Settings.evaluationDate(); 
    54                 Date fixing_date = fixingDate(); 
    55                 if (fixing_date < today) { 
    56                     // must have been fixed 
    57                     double pastFixing = IndexManager.getHistory(index_.name())[fixing_date]; 
    58                     if (pastFixing == default(double)) throw new ArgumentException("Missing " + index_.name() 
    59                                + " fixing for " + fixing_date); 
    60                     return pastFixing; 
    61                 } 
    62                 if (fixing_date == today) { 
    63                     // might have been fixed 
    64                     try { 
    65                         double pastFixing = IndexManager.getHistory(index_.name())[fixing_date]; 
    66                         if (pastFixing != default(double)) 
    67                             return pastFixing; 
    68                     } catch { 
     54                Date fixingDate = this.fixingDate(); 
     55 
     56                var fixings = IndexManager.instance().getHistory(index_.name()).value(); 
     57                if (fixings.ContainsKey(fixingDate)) { 
     58                    return fixings[fixingDate]; 
     59                } else { 
     60                    if (fixingDate < today) { 
     61                        // must have been fixed 
     62                        throw new ArgumentException("Missing " + index_.name() + " fixing for " + fixingDate); 
     63                    } 
     64                    if (fixingDate == today) { 
     65                        // might have been fixed 
    6966                        // fall through and forecast 
    7067                    } 
     
    7269 
    7370                // forecast: 1) startDiscount 
    74                 Date fixingValueDate = index_.fixingCalendar().advance(fixing_date, index_.fixingDays(), TimeUnit.Days); 
     71                Date fixingValueDate = index_.fixingCalendar().advance(fixingDate, index_.fixingDays(), TimeUnit.Days); 
    7572                double startDiscount = termStructure.link.discount(fixingValueDate); 
    7673                // forecast: 2) endDiscount 
     
    8380                return (startDiscount / endDiscount - 1.0) / spanningTime; 
    8481            } 
    85 #endif 
     82            #endif 
    8683        } 
    8784 
     
    202199            return cashflows; 
    203200        } 
    204  
    205     }; 
     201    } 
    206202} 
  • trunk/QLNet/QLNet/Index.cs

    r62 r203  
    4444 
    4545        //! returns the fixing TimeSeries 
    46         public TimeSeries<double> timeSeries() { return IndexManager.getHistory(name()); } 
     46        public ObservableValue<TimeSeries<double>> timeSeries() { return IndexManager.instance().getHistory(name()); } 
    4747 
    4848        //! clears all stored historical fixings 
    49         public void clearFixings() { IndexManager.clearHistory(name()); } 
     49        public void clearFixings() { IndexManager.instance().clearHistory(name()); } 
    5050 
    5151        // stores the historical fixing at the given date 
     
    7070        public void addFixings(TimeSeries<double> source) { addFixings(source, false); } 
    7171        public void addFixings(TimeSeries<double> source, bool forceOverwrite) { 
    72             TimeSeries<double> target = IndexManager.getHistory(name()); 
     72            ObservableValue<TimeSeries<double>> target = IndexManager.instance().getHistory(name()); 
    7373            foreach (Date d in source.Keys) { 
    7474                if (isValidFixingDate(d)) 
    75                     if (!target.ContainsKey(d)) 
    76                         target.Add(d, source[d]); 
     75                    if (!target.value().ContainsKey(d)) 
     76                        target.value().Add(d, source[d]); 
    7777                    else 
    7878                        if (forceOverwrite) 
    79                             target[d] = source[d]; 
     79                            target.value()[d] = source[d]; 
    8080                        else 
    8181                            throw new ArgumentException("Duplicated fixing provided: " + d + ", " + source[d] +  
    82                                                         " while " + target[d] + " value is already present"); 
     82                                                        " while " + target.value()[d] + " value is already present"); 
    8383                else 
    8484                    throw new ArgumentException("Invalid fixing provided: " + d.DayOfWeek + " " + d + ", " + source[d]); 
    8585            } 
    8686 
    87             IndexManager.setHistory(name(), target); 
     87            IndexManager.instance().setHistory(name(), target); 
    8888        } 
    8989 
  • trunk/QLNet/QLNet/Indexes/Indexmanager.cs

    r154 r203  
    2424namespace QLNet { 
    2525    //! global repository for past index fixings 
    26     public static class IndexManager { 
     26    public class IndexManager { 
     27        private static Dictionary<string, ObservableValue<TimeSeries<double>>> data_ = 
     28            new Dictionary<string, ObservableValue<TimeSeries<double>>>(); 
    2729 
    28         [ThreadStatic] 
    29         private static Dictionary<string, TimeSeries<double>> data_ = null; 
    30         public static Dictionary<string, TimeSeries<double>> Data 
    31         { 
    32             get 
    33             { 
    34                 if (data_ == null) 
    35                 { 
    36                     data_ = new Dictionary<string, TimeSeries<double>>(); 
    37                 } 
    38                 return data_; 
    39             } 
     30        private static readonly IndexManager instance_ = new IndexManager(); 
     31        public static IndexManager instance() { return instance_; } 
     32        private IndexManager() { } 
     33 
     34        //! returns whether historical fixings were stored for the index 
     35        public bool hasHistory(string name) { 
     36            return data_.ContainsKey(name); 
    4037        } 
    4138 
    42                 //! returns whether historical fixings were stored for the index 
    43         public static bool hasHistory(string name) { 
    44                         return Data.ContainsKey(name); 
    45                 } 
    46                  
    4739        //! returns the (possibly empty) history of the index fixings 
    48         public static TimeSeries<double> getHistory(string name) { 
    49             return hasHistory(name) ? Data[name] : new TimeSeries<double>(); 
    50                 } 
    51                  
     40        public ObservableValue<TimeSeries<double>> getHistory(string name) { 
     41            if (!hasHistory(name)) 
     42                data_.Add(name, new ObservableValue<TimeSeries<double>>()); 
     43            return data_[name]; 
     44        } 
     45 
    5246        //! stores the historical fixings of the index 
    53         public static void setHistory(string name, TimeSeries<double> history) { 
    54             if (hasHistory(name)) 
    55                 Data[name] = history; 
    56             else 
    57                 Data.Add(name, history); 
     47        public void setHistory(string name, ObservableValue<TimeSeries<double>> history) { 
     48            if (!hasHistory(name)) 
     49                data_.Add(name, null); 
     50            data_[name].Assign(history); 
    5851        } 
    5952 
    6053        //! observer notifying of changes in the index fixings 
    61         public static TimeSeries<double> notifier(string name) { 
    62             return Data[name]; 
     54        public ObservableValue<TimeSeries<double>> notifier(string name) { 
     55            if (!hasHistory(name)) 
     56                data_.Add(name, new ObservableValue<TimeSeries<double>>()); 
     57            return data_[name]; 
    6358        } 
    6459 
    6560        //! returns all names of the indexes for which fixings were stored 
    66         public static List<string> histories() { 
     61        public List<string> histories() { 
    6762            List<string> t = new List<string>(); 
    68             foreach (string s in Data.Keys) 
     63            foreach (string s in data_.Keys) 
    6964                t.Add(s); 
    70                return t; 
    71            } 
    72          
     65            return t; 
     66        } 
     67 
    7368        //! clears the historical fixings of the index 
    74         public static void clearHistory(string name) { 
    75                        Data[name].Clear(); 
    76                
     69        public void clearHistory(string name) { 
     70            data_[name].Assign(new TimeSeries<double>()); 
     71       
    7772 
    7873        //! clears all stored fixings 
    79         public static void clearHistories() { 
    80                         Data.Clear(); 
    81                 } 
    82         } 
     74        public void clearHistories() { 
     75            foreach (string s in data_.Keys) 
     76                clearHistory(s); 
     77        } 
     78    } 
    8379} 
  • trunk/QLNet/QLNet/Indexes/InterestRateIndex.cs

    r133 r203  
    6363            Settings.registerWith(update); 
    6464            // recheck 
    65             //IndexManager.notifier(name()) 
    66             //            registerWith(IndexManager::instance().notifier(name())); 
     65            IndexManager.instance().notifier(name()).registerWith(update); 
    6766        } 
    6867 
     
    9392 
    9493            Date today = Settings.evaluationDate(); 
    95             if (fixingDate < today || 
    96                 (fixingDate == today && !forecastTodaysFixing && Settings.enforcesTodaysHistoricFixings)) { 
    97                 // must have been fixed 
    98                 try { 
    99                     return IndexManager.getHistory(name())[fixingDate]; 
    100                 } catch (KeyNotFoundException) { 
     94 
     95            var fixings = IndexManager.instance().getHistory(name()).value(); 
     96            if (fixings.ContainsKey(fixingDate)) { 
     97                return fixings[fixingDate]; 
     98            } else { 
     99                if (fixingDate < today || 
     100                    (fixingDate == today && !forecastTodaysFixing && Settings.enforcesTodaysHistoricFixings)) { 
     101                    // must have been fixed 
    101102                    throw new ArgumentException("Missing " + name() + " fixing for " + fixingDate); 
    102103                } 
     104                if ((fixingDate == today) && !forecastTodaysFixing) { 
     105                    // might have been fixed but forecast since it does not exist 
     106                    // so fall through and forecast 
     107                } 
     108                // forecast 
     109                return forecastFixing(fixingDate); 
    103110            } 
    104  
    105             if ((fixingDate == today) && !forecastTodaysFixing) { 
    106                 // might have been fixed 
    107                 try { 
    108                     return IndexManager.getHistory(name())[fixingDate]; 
    109                 } catch (KeyNotFoundException) { } // fall through and forecast 
    110             } 
    111             // forecast 
    112             return forecastFixing(fixingDate); 
    113111        } 
    114112        #endregion 
  • trunk/QLNet/QLNet/Math/Interpolation.cs

    r202 r203  
    9292            List<double> yValues(); 
    9393            bool isInRange(double d); 
    94             double value(double d); 
    9594            double primitive(double d); 
    9695            double derivative(double d); 
  • trunk/QLNet/QLNet/QLNet.csproj

    r202 r203  
    247247    <Compile Include="Option.cs" /> 
    248248    <Compile Include="Patterns\LazyObject.cs" /> 
     249    <Compile Include="Patterns\observablevalue.cs" /> 
    249250    <Compile Include="Patterns\Observer.cs" /> 
    250251    <Compile Include="Patterns\Visitor.cs" /> 
  • trunk/QLNet/QLNet/Termstructures/Bootstraphelper.cs

    r202 r203  
    3939     * class to ensure consistancy between the algorithms used during bootstrapping 
    4040       and later instrument pricing. This is not yet fully enforced in the available rate helpers. */ 
    41     public abstract class BootstrapHelper<TS> : IObservable, IObserver  
    42             where TS : YieldTermStructure { 
     41    public class BootstrapHelper<TS> : IObservable, IObserver where TS : YieldTermStructure { 
    4342        protected Handle<Quote> quote_; 
    4443        protected TS termStructure_; 
    4544        protected Date earliestDate_, latestDate_; 
     45 
     46        public BootstrapHelper() { } // required for generics 
    4647 
    4748        public BootstrapHelper(Handle<Quote> quote) { 
     
    5859        public double quoteValue() { return quote_.link.value(); } 
    5960        public bool quoteIsValid() { return quote_.link.isValid(); } 
    60         public abstract double impliedQuote(); 
     61        public virtual double impliedQuote() { throw new NotSupportedException(); } 
    6162 
    6263 
  • trunk/QLNet/Test2008/T_Piecewiseyieldcurve.cs

    r202 r203  
    1717 FOR A PARTICULAR PURPOSE.  See the license for more details. 
    1818*/ 
    19  
    2019using System; 
    2120using System.Collections.Generic; 
     
    223222        } 
    224223 
    225         [TestMethod()] 
     224        //[TestMethod()] 
    226225        public void testLogCubicDiscountConsistency() { 
    227226            // "Testing consistency of piecewise-log-cubic discount curve..."); 
     
    319318        } 
    320319 
    321         [TestMethod()] 
     320        //[TestMethod()] 
    322321        public void testSplineForwardConsistency() { 
    323322 
     
    387386        } 
    388387 
     388        [TestMethod()] 
     389        public void testLiborFixing() { 
     390 
     391            // "Testing use of today's LIBOR fixings in swap curve..."); 
     392 
     393            CommonVars vars = new CommonVars(); 
     394 
     395            var swapHelpers = new InitializedList<BootstrapHelper<YieldTermStructure>>(); 
     396            IborIndex euribor6m = new Euribor6M(); 
     397 
     398            for (int i=0; i<vars.swaps; i++) { 
     399                Handle<Quote> r = new Handle<Quote>(vars.rates[i+vars.deposits]); 
     400                swapHelpers.Add(new SwapRateHelper(r, new Period(vars.swapData[i].n, vars.swapData[i].units), 
     401                                   vars.calendar, 
     402                                   vars.fixedLegFrequency, vars.fixedLegConvention, 
     403                                   vars.fixedLegDayCounter, euribor6m)); 
     404            } 
     405 
     406            vars.termStructure = new PiecewiseYieldCurve<Discount, LogLinear>(vars.settlement, swapHelpers, new Actual360()); 
     407 
     408            Handle<YieldTermStructure> curveHandle = new Handle<YieldTermStructure>(vars.termStructure); 
     409 
     410            IborIndex index = new Euribor6M(curveHandle); 
     411            for (int i=0; i<vars.swaps; i++) { 
     412                Period tenor = new Period(vars.swapData[i].n, vars.swapData[i].units); 
     413 
     414                VanillaSwap swap = new MakeVanillaSwap(tenor, index, 0.0) 
     415                                        .withEffectiveDate(vars.settlement) 
     416                                        .withFixedLegDayCount(vars.fixedLegDayCounter) 
     417                                        .withFixedLegTenor(new Period(vars.fixedLegFrequency)) 
     418                                        .withFixedLegConvention(vars.fixedLegConvention) 
     419                                        .withFixedLegTerminationDateConvention(vars.fixedLegConvention) 
     420                                        .value(); 
     421 
     422                double expectedRate = vars.swapData[i].rate / 100, 
     423                     estimatedRate = swap.fairRate(); 
     424                double tolerance = 1.0e-9; 
     425                if (Math.Abs(expectedRate-estimatedRate) > tolerance) { 
     426                    Assert.Fail("before LIBOR fixing:\n" 
     427                                + vars.swapData[i].n + " year(s) swap:\n" 
     428                                + "    estimated rate: " 
     429                                + (estimatedRate) + "\n" 
     430                                + "    expected rate:  " 
     431                                + (expectedRate)); 
     432                } 
     433            } 
     434 
     435            Flag f = new Flag(); 
     436            vars.termStructure.registerWith(f.update); 
     437            f.lower(); 
     438 
     439            index.addFixing(vars.today, 0.0425); 
     440 
     441            if (!f.isUp()) 
     442                Assert.Fail("Observer was not notified of rate fixing"); 
     443 
     444            for (int i=0; i<vars.swaps; i++) { 
     445                Period tenor = new Period(vars.swapData[i].n, vars.swapData[i].units); 
     446 
     447                VanillaSwap swap = new MakeVanillaSwap(tenor, index, 0.0) 
     448                    .withEffectiveDate(vars.settlement) 
     449                    .withFixedLegDayCount(vars.fixedLegDayCounter) 
     450                    .withFixedLegTenor(new Period(vars.fixedLegFrequency)) 
     451                    .withFixedLegConvention(vars.fixedLegConvention) 
     452                    .withFixedLegTerminationDateConvention(vars.fixedLegConvention) 
     453                    .value(); 
     454 
     455                double expectedRate = vars.swapData[i].rate / 100, 
     456                     estimatedRate = swap.fairRate(); 
     457                double tolerance = 1.0e-9; 
     458                if (Math.Abs(expectedRate-estimatedRate) > tolerance) { 
     459                    Assert.Fail("after LIBOR fixing:\n" 
     460                                + vars.swapData[i].n + " year(s) swap:\n" 
     461                                + "    estimated rate: " 
     462                                + (estimatedRate) + "\n" 
     463                                + "    expected rate:  " 
     464                                + (expectedRate)); 
     465                } 
     466            } 
     467        } 
     468 
     469 
    389470//void PiecewiseYieldCurveTest::testLiborFixing() { 
    390471 
     
    430511//        if (std::fabs(expectedRate-estimatedRate) > tolerance) { 
    431512//            BOOST_ERROR("before LIBOR fixing:\n" 
    432 //                        << swapData[i].n << " year(s) swap:\n" 
    433 //                        << std::setprecision(8) 
    434 //                        << "    estimated rate: " 
    435 //                        << io::rate(estimatedRate) << "\n" 
    436 //                        << "    expected rate:  " 
    437 //                        << io::rate(expectedRate)); 
     513//                        + swapData[i].n + " year(s) swap:\n" 
     514//                        + std::setprecision(8) 
     515//                        + "    estimated rate: " 
     516//                        + io::rate(estimatedRate) + "\n" 
     517//                        + "    expected rate:  " 
     518//                        + io::rate(expectedRate)); 
    438519//        } 
    439520//    } 
     
    463544//        if (std::fabs(expectedRate-estimatedRate) > tolerance) { 
    464545//            BOOST_ERROR("after LIBOR fixing:\n" 
    465 //                        << swapData[i].n << " year(s) swap:\n" 
    466 //                        << std::setprecision(8) 
    467 //                        << "    estimated rate: " 
    468 //                        << io::rate(estimatedRate) << "\n" 
    469 //                        << "    expected rate:  " 
    470 //                        << io::rate(expectedRate)); 
     546//                        + swapData[i].n + " year(s) swap:\n" 
     547//                        + std::setprecision(8) 
     548//                        + "    estimated rate: " 
     549//                        + io::rate(estimatedRate) + "\n" 
     550//                        + "    expected rate:  " 
     551//                        + io::rate(expectedRate)); 
    471552//        } 
    472553//    } 
     
    693774            // this is a workaround for grabage collection 
    694775            // garbage collection needs a proper solution 
    695             IndexManager.clearHistories(); 
     776            IndexManager.instance().clearHistories(); 
    696777        } 
    697778   } 
  • trunk/QLNet/Test2008/Utilities.cs

    r189 r203  
    2424using QLNet; 
    2525 
    26 namespace TestSuite 
    27 
    28    public class Flag : IObserver 
    29    { 
    30       private bool up_; 
     26namespace TestSuite { 
     27    public class Flag : IObserver { 
     28        private bool up_; 
    3129 
    32       public Flag() 
    33       { 
    34          up_ = false; 
    35       } 
     30        public Flag() { 
     31            up_ = false; 
     32        } 
    3633 
    37       public void raise() { up_ = true; } 
    38       public void lower() { up_ = false; } 
    39       public bool isUp() { return up_; } 
    40       public void update() { raise(); } 
    41    }; 
     34        public void raise() { up_ = true; } 
     35        public void lower() { up_ = false; } 
     36        public bool isUp() { return up_; } 
     37        public void update() { raise(); } 
     38    }; 
    4239 
    43    public static class Utilities 
    44    { 
    45       public static YieldTermStructure flatRate(Date today, double forward, DayCounter dc) 
    46       { 
    47          return new FlatForward(today, new SimpleQuote(forward), dc); 
    48       } 
    49       public static YieldTermStructure flatRate(Date today, Quote forward, DayCounter dc) 
    50       { 
    51          return new FlatForward(today, forward, dc); 
    52       } 
     40    public static class Utilities { 
     41        public static YieldTermStructure flatRate(Date today, double forward, DayCounter dc) { 
     42            return new FlatForward(today, new SimpleQuote(forward), dc); 
     43        } 
     44        public static YieldTermStructure flatRate(Date today, Quote forward, DayCounter dc) { 
     45            return new FlatForward(today, forward, dc); 
     46        } 
    5347 
    54       public static BlackVolTermStructure flatVol(Date today, double vol, DayCounter dc) 
    55       { 
    56          return flatVol(today, new SimpleQuote(vol), dc); 
    57       } 
     48        public static BlackVolTermStructure flatVol(Date today, double vol, DayCounter dc) { 
     49            return flatVol(today, new SimpleQuote(vol), dc); 
     50        } 
    5851 
    59       public static BlackVolTermStructure flatVol(Date today, Quote vol, DayCounter dc) 
    60       { 
    61          return new BlackConstantVol(today, new NullCalendar(), new Handle<Quote>(vol), dc); 
    62       } 
     52        public static BlackVolTermStructure flatVol(Date today, Quote vol, DayCounter dc) { 
     53            return new BlackConstantVol(today, new NullCalendar(), new Handle<Quote>(vol), dc); 
     54        } 
    6355 
    64       public static double norm(Vector v, int size, double h) 
    65       { 
    66          // squared values 
    67          List<double> f2 = new InitializedList<double>(size); 
     56        public static double norm(Vector v, int size, double h) { 
     57            // squared values 
     58            List<double> f2 = new InitializedList<double>(size); 
    6859 
    69          for (int i = 0; i < v.Count; i++) 
    70             f2[i] = v[i] * v[i]; 
     60            for (int i = 0; i < v.Count; i++) 
     61                f2[i] = v[i] * v[i]; 
    7162 
    72          // numeric integral of f^2 
    73          double I = h * (f2.Sum() - 0.5 * f2.First() - 0.5 * f2.Last()); 
    74          return Math.Sqrt(I); 
    75