//------------------------------------------------------------------------- public virtual void test_compareKey() { ZeroRateSensitivity a1 = ZeroRateSensitivity.of(GBP, YEARFRAC, 32d); ZeroRateSensitivity a2 = ZeroRateSensitivity.of(GBP, YEARFRAC, 32d); ZeroRateSensitivity b = ZeroRateSensitivity.of(USD, YEARFRAC, 32d); ZeroRateSensitivity c = ZeroRateSensitivity.of(GBP, YEARFRAC2, 32d); IborRateSensitivity other = IborRateSensitivity.of(IborIndexObservation.of(GBP_LIBOR_3M, date(2014, 6, 30), REF_DATA), 32d); assertEquals(a1.compareKey(a2), 0); assertEquals(a1.compareKey(b) < 0, true); assertEquals(b.compareKey(a1) > 0, true); assertEquals(a1.compareKey(c) < 0, true); assertEquals(c.compareKey(a1) > 0, true); assertEquals(a1.compareKey(other) > 0, true); assertEquals(other.compareKey(a1) < 0, true); }
public virtual void test_zeroRatePointSensitivityWithSpread_sensitivityCurrency_smallYearFraction() { ZeroRatePeriodicDiscountFactors test = ZeroRatePeriodicDiscountFactors.of(GBP, DATE_VAL, CURVE); ZeroRateSensitivity expected = ZeroRateSensitivity.of(GBP, 0d, USD, 0.0d); ZeroRateSensitivity computed = test.zeroRatePointSensitivityWithSpread(DATE_VAL, USD, SPREAD, CONTINUOUS, 0); assertTrue(computed.compareKey(expected) == 0); assertEquals(computed.Sensitivity, expected.Sensitivity, TOLERANCE_DELTA_FD); }
public virtual void test_zeroRatePointSensitivityWithSpread_sensitivityCurrency_continous() { ZeroRatePeriodicDiscountFactors test = ZeroRatePeriodicDiscountFactors.of(GBP, DATE_VAL, CURVE); double relativeYearFraction = ACT_365F.relativeYearFraction(DATE_VAL, DATE_AFTER); double df = test.discountFactorWithSpread(DATE_AFTER, SPREAD, CONTINUOUS, 0); ZeroRateSensitivity expected = ZeroRateSensitivity.of(GBP, relativeYearFraction, USD, -df * relativeYearFraction); ZeroRateSensitivity computed = test.zeroRatePointSensitivityWithSpread(DATE_AFTER, USD, SPREAD, CONTINUOUS, 0); assertTrue(computed.compareKey(expected) == 0); assertEquals(computed.Sensitivity, expected.Sensitivity, TOLERANCE_DELTA); }
public virtual void test_zeroRatePointSensitivityWithSpread_sensitivityCurrency_periodic() { int periodPerYear = 4; ZeroRatePeriodicDiscountFactors test = ZeroRatePeriodicDiscountFactors.of(GBP, DATE_VAL, CURVE); double relativeYearFraction = ACT_365F.relativeYearFraction(DATE_VAL, DATE_AFTER); double df = test.discountFactor(DATE_AFTER); double z = -1.0 / relativeYearFraction * Math.Log(df); double shift = 1.0E-6; double zP = z + shift; double zM = z - shift; double dfSP = Math.Pow(Math.Pow(Math.Exp(-zP * relativeYearFraction), -1.0 / (relativeYearFraction * periodPerYear)) + SPREAD / periodPerYear, -relativeYearFraction * periodPerYear); double dfSM = Math.Pow(Math.Pow(Math.Exp(-zM * relativeYearFraction), -1.0 / (relativeYearFraction * periodPerYear)) + SPREAD / periodPerYear, -relativeYearFraction * periodPerYear); double ddfSdz = (dfSP - dfSM) / (2 * shift); ZeroRateSensitivity expected = ZeroRateSensitivity.of(GBP, relativeYearFraction, USD, ddfSdz); ZeroRateSensitivity computed = test.zeroRatePointSensitivityWithSpread(DATE_AFTER, USD, SPREAD, PERIODIC, periodPerYear); assertTrue(computed.compareKey(expected) == 0); assertEquals(computed.Sensitivity, expected.Sensitivity, TOLERANCE_DELTA_FD); }