Fixes #356 - #357
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Fixes #356.
YieldCurve::buildZeroSpreadedCurve()collects ZeroSpread quotes in a set ordered by pointer identity(address). As a result, resolved maturities and quote handles may be passed toPiecewiseZeroSpreadedTermStructurein a non-chronological order, producing non-deterministic yield curves.This change keeps each resolved maturity paired with its quote, sorts the nodes by maturity, and then builds the date and quote-handle vectors used to construct the curve.
I have tried to keep the minimal changes without breaking any functionalities
Tests
ZeroSpreadRegressionTests/testZeroSpreadedYieldCurveOrdersNodesByResolvedMaturity.TodaysMarketTests/testZeroSpreadedYieldCurve.